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2024-04-04nvme: don't create a multipath node for zero capacity devicesChristoph Hellwig
Apparently there are nvme controllers around that report namespaces in the namespace list which have zero capacity. Return -ENXIO instead of -ENODEV from nvme_update_ns_info_block so we don't create a hidden multipath node for these namespaces but entirely ignore them. Fixes: 46e7422cda84 ("nvme: move common logic into nvme_update_ns_info") Reported-by: Nilay Shroff <nilay@linux.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Nilay Shroff <nilay@linux.ibm.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
2024-04-04drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()Boris Brezillon
Subject: [PATCH] drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr() If some the pages or sgt allocation failed, we shouldn't release the pages ref we got earlier, otherwise we will end up with unbalanced get/put_pages() calls. We should instead leave everything in place and let the BO release function deal with extra cleanup when the object is destroyed, or let the fault handler try again next time it's called. Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Cc: <stable@vger.kernel.org> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Co-developed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240105184624.508603-18-dmitry.osipenko@collabora.com
2024-04-04usb: Disable USB3 LPM at shutdownKai-Heng Feng
SanDisks USB3 storage may disapper after system reboot: usb usb2-port3: link state change xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0 usb usb2-port3: do warm reset, port only xhci_hcd 0000:00:14.0: xhci_hub_status_data: stopping usb2 port polling xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2b0, return 0x2b0 usb usb2-port3: not warm reset yet, waiting 50ms xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2f0, return 0x2f0 usb usb2-port3: not warm reset yet, waiting 200ms ... xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x6802c0, return 0x7002c0 usb usb2-port3: not warm reset yet, waiting 200ms xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x4802c0 xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x4002c0 xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2c0, return 0x2c0 usb usb2-port3: not enabled, trying warm reset again... This is due to the USB device still cause port change event after xHCI is shuted down: xhci_hcd 0000:38:00.0: // Setting command ring address to 0xffffe001 xhci_hcd 0000:38:00.0: xhci_resume: starting usb3 port polling. xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb4 port polling xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb3 port polling xhci_hcd 0000:38:00.0: hcd_pci_runtime_resume: 0 xhci_hcd 0000:38:00.0: xhci_shutdown: stopping usb3 port polling. xhci_hcd 0000:38:00.0: // Halt the HC xhci_hcd 0000:38:00.0: xhci_shutdown completed - status = 1 xhci_hcd 0000:00:14.0: xhci_shutdown: stopping usb1 port polling. xhci_hcd 0000:00:14.0: // Halt the HC xhci_hcd 0000:00:14.0: xhci_shutdown completed - status = 1 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203 xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1311 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x201203, return 0x100203 xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x1203 xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x1203 xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x1203 xhci_hcd 0000:00:14.0: clear port3 connect change, portsc: 0x1203 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203 usb 2-3: device not accepting address 2, error -108 xhci_hcd 0000:00:14.0: xHCI dying or halted, can't queue_command xhci_hcd 0000:00:14.0: Set port 2-3 link state, portsc: 0x1203, write 0x11261 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1263, return 0x263 xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1271 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12b1, return 0x2b1 usb usb2-port3: not reset yet, waiting 60ms ACPI: PM: Preparing to enter system sleep state S5 xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12f1, return 0x2f1 usb usb2-port3: not reset yet, waiting 200ms reboot: Restarting system The port change event is caused by LPM transition, so disabling LPM at shutdown to make sure the device is in U0 for warmboot. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: stable <stable@kernel.org> Link: https://lore.kernel.org/r/20240305065140.66801-1-kai.heng.feng@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04gpio: cdev: check for NULL labels when sanitizing them for irqsBartosz Golaszewski
We need to take into account that a line's consumer label may be NULL and not try to kstrdup() it in that case but rather pass the NULL pointer up the stack to the interrupt request function. To that end: let make_irq_label() return NULL as a valid return value and use ERR_PTR() instead to signal an allocation failure to callers. Cc: stable@vger.kernel.org Fixes: b34490879baa ("gpio: cdev: sanitize the label before requesting the interrupt") Reported-by: Linux Kernel Functional Testing <lkft@linaro.org> Closes: https://lore.kernel.org/lkml/20240402093534.212283-1-naresh.kamboju@linaro.org/ Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Tested-by: Anders Roxell <anders.roxell@linaro.org>
2024-04-04usb: gadget: f_ncm: Fix UAF ncm object at re-bind after usb ep transport errorNorihiko Hama
When ncm function is working and then stop usb0 interface for link down, eth_stop() is called. At this piont, accidentally if usb transport error should happen in usb_ep_enable(), 'in_ep' and/or 'out_ep' may not be enabled. After that, ncm_disable() is called to disable for ncm unbind but gether_disconnect() is never called since 'in_ep' is not enabled. As the result, ncm object is released in ncm unbind but 'dev->port_usb' associated to 'ncm->port' is not NULL. And when ncm bind again to recover netdev, ncm object is reallocated but usb0 interface is already associated to previous released ncm object. Therefore, once usb0 interface is up and eth_start_xmit() is called, released ncm object is dereferrenced and it might cause use-after-free memory. [function unlink via configfs] usb0: eth_stop dev->port_usb=ffffff9b179c3200 --> error happens in usb_ep_enable(). NCM: ncm_disable: ncm=ffffff9b179c3200 --> no gether_disconnect() since ncm->port.in_ep->enabled is false. NCM: ncm_unbind: ncm unbind ncm=ffffff9b179c3200 NCM: ncm_free: ncm free ncm=ffffff9b179c3200 <-- released ncm [function link via configfs] NCM: ncm_alloc: ncm alloc ncm=ffffff9ac4f8a000 NCM: ncm_bind: ncm bind ncm=ffffff9ac4f8a000 NCM: ncm_set_alt: ncm=ffffff9ac4f8a000 alt=0 usb0: eth_open dev->port_usb=ffffff9b179c3200 <-- previous released ncm usb0: eth_start dev->port_usb=ffffff9b179c3200 <-- eth_start_xmit() --> dev->wrap() Unable to handle kernel paging request at virtual address dead00000000014f This patch addresses the issue by checking if 'ncm->netdev' is not NULL at ncm_disable() to call gether_disconnect() to deassociate 'dev->port_usb'. It's more reasonable to check 'ncm->netdev' to call gether_connect/disconnect rather than check 'ncm->port.in_ep->enabled' since it might not be enabled but the gether connection might be established. Signed-off-by: Norihiko Hama <Norihiko.Hama@alpsalpine.com> Cc: stable <stable@kernel.org> Link: https://lore.kernel.org/r/20240327023550.51214-1-Norihiko.Hama@alpsalpine.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04usb: typec: tcpm: Correct the PDO counting in pd_setKyle Tso
Off-by-one errors happen because nr_snk_pdo and nr_src_pdo are incorrectly added one. The index of the loop is equal to the number of PDOs to be updated when leaving the loop and it doesn't need to be added one. When doing the power negotiation, TCPM relies on the "nr_snk_pdo" as the size of the local sink PDO array to match the Source capabilities of the partner port. If the off-by-one overflow occurs, a wrong RDO might be sent and unexpected power transfer might happen such as over voltage or over current (than expected). "nr_src_pdo" is used to set the Rp level when the port is in Source role. It is also the array size of the local Source capabilities when filling up the buffer which will be sent as the Source PDOs (such as in Power Negotiation). If the off-by-one overflow occurs, a wrong Rp level might be set and wrong Source PDOs will be sent to the partner port. This could potentially cause over current or port resets. Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities") Cc: stable@vger.kernel.org Signed-off-by: Kyle Tso <kyletso@google.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20240404133517.2707955-1-kyletso@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04drm/xe: Use ordered wq for preempt fence waitingMatthew Brost
Preempt fences can sleep waiting for an exec queue suspend operation to complete. If the system_unbound_wq is used for waiting and the number of waiters exceeds max_active this will result in other users of the system_unbound_wq getting starved. Use a device private work queue for preempt fences to avoid starvation of the system_unbound_wq. Even though suspend operations can complete out-of-order, all suspend operations within a VM need to complete before the preempt rebind worker can start. With that, use a device private ordered wq for preempt fence waiting. v2: - Add comment about cleanup on failure (Matt R) - Update commit message (Lucas) Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240401221913.139672-2-matthew.brost@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 37c15c4aae1fe3f67efd2641db8d8c25c2d524ab) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-04drm/xe: Move vma rebinding to the drm_exec locking loopThomas Hellström
Rebinding might allocate page-table bos, causing evictions. To support blocking locking during these evictions, perform the rebinding in the drm_exec locking loop. Also Reserve fence slots where actually needed rather than trying to predict how many fence slots will be needed over a complete wound-wait transaction. v2: - Remove a leftover call to xe_vm_rebind() (Matt Brost) - Add a helper function xe_vm_validate_rebind() (Matt Brost) v3: - Add comments and squash with previous patch (Matt Brost) Fixes: 24f947d58fe5 ("drm/xe: Use DRM GPUVM helpers for external- and evicted objects") Fixes: 29f424eb8702 ("drm/xe/exec: move fence reservation") Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-5-thomas.hellstrom@linux.intel.com (cherry picked from commit 7ee7dd6f301341d5b1204fc19fa620d7f7f7e90d) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-04drm/xe: Make TLB invalidation fences unorderedThomas Hellström
They can actually complete out-of-order, so allocate a unique fence context for each fence. Fixes: 5387e865d90e ("drm/xe: Add TLB invalidation fence after rebinds issued from execs") Cc: Matthew Brost <matthew.brost@intel.com> Cc: <stable@vger.kernel.org> # v6.8+ Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-4-thomas.hellstrom@linux.intel.com (cherry picked from commit 0453f1757501df2e82b66b3183a24bba5a6f8fa3) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-04drm/xe: Rework rebindingThomas Hellström
Instead of handling the vm's rebind fence separately, which is error prone if they are not strictly ordered, attach rebind fences as kernel fences to the vm's resv. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: <stable@vger.kernel.org> # v6.8+ Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-3-thomas.hellstrom@linux.intel.com (cherry picked from commit 5a091aff50b780ae29c7faf70a7a6c21c98a54c4) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-04drm/xe: Use ring ops TLB invalidation for rebindsThomas Hellström
For each rebind we insert a GuC TLB invalidation and add a corresponding unordered TLB invalidation fence. This might add a huge number of TLB invalidation fences to wait for so rather than doing that, defer the TLB invalidation to the next ring ops for each affected exec queue. Since the TLB is invalidated on exec_queue switch, we need to invalidate once for each affected exec_queue. v2: - Simplify if-statements around the tlb_flush_seqno. (Matthew Brost) - Add some comments and asserts. Fixes: 5387e865d90e ("drm/xe: Add TLB invalidation fence after rebinds issued from execs") Cc: Matthew Brost <matthew.brost@intel.com> Cc: <stable@vger.kernel.org> # v6.8+ Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-2-thomas.hellstrom@linux.intel.com (cherry picked from commit 4fc4899e86f7afbd09f4bcb899f0fc57e0296e62) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-04pinctrl: mediatek: paris: Rework support for PIN_CONFIG_{INPUT,OUTPUT}_ENABLEChen-Yu Tsai
There is a misinterpretation of some of the PIN_CONFIG_* options in this driver library. PIN_CONFIG_OUTPUT_ENABLE should refer to a buffer or switch in the output direction of the electrical path. The MediaTek hardware does not have such a thing. The driver incorrectly maps this option to the GPIO function's direction. Likewise, PIN_CONFIG_INPUT_ENABLE should refer to a buffer or switch in the input direction. The hardware does have such a mechanism, and is mapped to the IES bit. The driver however sets the direction in addition to the IES bit, which is incorrect. On readback, the IES bit isn't even considered. Ironically, the driver does not support readback for PIN_CONFIG_OUTPUT, while its readback of PIN_CONFIG_{INPUT,OUTPUT}_ENABLE is what it should be doing for PIN_CONFIG_OUTPUT. Rework support for these three options, so that PIN_CONFIG_OUTPUT_ENABLE is completely removed, PIN_CONFIG_INPUT_ENABLE is only linked to the IES bit, and PIN_CONFIG_OUTPUT is linked to the GPIO function's direction and output level. Fixes: 805250982bb5 ("pinctrl: mediatek: add pinctrl-paris that implements the vendor dt-bindings") Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Message-ID: <20240327091336.3434141-3-wenst@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-04-04pinctrl: mediatek: paris: Fix PIN_CONFIG_INPUT_SCHMITT_ENABLE readbackChen-Yu Tsai
In the generic pin config library, readback of some options are handled differently compared to the setting of those options: the argument value is used to convey enable/disable of an option in the set path, but success or -EINVAL is used to convey if an option is enabled or disabled in the debugfs readback path. PIN_CONFIG_INPUT_SCHMITT_ENABLE is one such option. Fix the readback of the option in the mediatek-paris library, so that the debugfs dump is not showing "input schmitt enabled" for pins that don't have it enabled. Fixes: 1bea6afbc842 ("pinctrl: mediatek: Refine mtk_pinconf_get()") Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Message-ID: <20240327091336.3434141-2-wenst@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-04-04usb: gadget: functionfs: Wait for fences before enqueueing DMABUFPaul Cercueil
Instead of bailing when fences have already been installed on the DMABUF, wait for them (with a timeout) when doing a blocking operation. This fixes the issue where userspace would submit a DMABUF with fences already installed, with the (correct) expectation that it would just work. Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface") Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20240402110951.16376-3-paul@crapouillou.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04usb: gadget: functionfs: Fix inverted DMA fence directionPaul Cercueil
A "read" fence was installed when the DMABUF was to be written to, and a "write" fence was installed when the DMABUF was to be read from. Besides, dma_resv_usage_rw() should only be used when waiting for fences. Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface") Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20240402110951.16376-2-paul@crapouillou.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04usb: typec: ucsi: Fix connector check on initChristian A. Ehrhardt
Fix issues when initially checking for a connector change: - Use the correct connector number not the entire CCI. - Call ->read under the PPM lock. - Remove a bogus READ_ONCE. Fixes: 808a8b9e0b87 ("usb: typec: ucsi: Check for notifications after init") Cc: stable@kernel.org Signed-off-by: Christian A. Ehrhardt <lk@c--e.de> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20240401210515.1902048-1-lk@c--e.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04xhci: Fix root hub port null pointer dereference in xhci tracepointsMathias Nyman
The pointer from a xhci usb virt device to its root hub port (vdev->rhub_port) is set later when device is addressed, not while vdev is allocated. Tracepoints dereferenced this rhub_port pointer when freeing the virt device, which causes null pointer dereference if tracing is enabled and device is freed before addressed. This can happen if tracing is enabled and xhci driver is unloaded before a device is fully enumerated, or initial enumeration fails and device is reset and freed before retry. Don't dereference the rhub_port or show port numbers when tracing xhci_free_virt_device(). This info is not very useful anyway. Print the more useful slot id instead Fixes: 06790c19086f ("xhci: replace real & fake port with pointer to root hub port") Reported-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Closes: https://lore.kernel.org/linux-usb/20240402005007.klv2ij727fkz7rpd@synopsys.com/ Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20240404121106.2842417-3-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04usb: xhci: correct return value in case of STS_HCEOliver Neukum
If we get STS_HCE we give up on the interrupt, but for the purpose of IRQ handling that still counts as ours. We may return IRQ_NONE only if we are positive that it wasn't ours. Hence correct the default. Fixes: 2a25e66d676d ("xhci: print warning when HCE was set") Cc: stable@vger.kernel.org # v6.2+ Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20240404121106.2842417-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-04net: dsa: sja1105: Fix parameters order in sja1110_pcs_mdio_write_c45()Christophe JAILLET
The definition and declaration of sja1110_pcs_mdio_write_c45() don't have parameters in the same order. Knowing that sja1110_pcs_mdio_write_c45() is used as a function pointer in 'sja1105_info' structure with .pcs_mdio_write_c45, and that we have: int (*pcs_mdio_write_c45)(struct mii_bus *bus, int phy, int mmd, int reg, u16 val); it is likely that the definition is the one to change. Found with cppcheck, funcArgOrderDifferent. Fixes: ae271547bba6 ("net: dsa: sja1105: C45 only transactions for PCS") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Michael Walle <mwalle@kernel.org> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/ff2a5af67361988b3581831f7bd1eddebfb4c48f.1712082763.git.christophe.jaillet@wanadoo.fr Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-04net: ravb: Always update error countersPaul Barker
The error statistics should be updated each time the poll function is called, even if the full RX work budget has been consumed. This prevents the counts from becoming stuck when RX bandwidth usage is high. This also ensures that error counters are not updated after we've re-enabled interrupts as that could result in a race condition. Also drop an unnecessary space. Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/20240402145305.82148-2-paul.barker.ct@bp.renesas.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-04net: ravb: Always process TX descriptor ringPaul Barker
The TX queue should be serviced each time the poll function is called, even if the full RX work budget has been consumed. This prevents starvation of the TX queue when RX bandwidth usage is high. Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/20240402145305.82148-1-paul.barker.ct@bp.renesas.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-04mmc: sdhci-of-dwcmshc: th1520: Increase tuning loop count to 128Maksim Kiselev
Fix SD card tuning error by increasing tuning loop count from 40(MAX_TUNING_LOOP) to 128. For some reason the tuning algorithm requires to move through all the taps of delay line even if the THRESHOLD_MODE (bit 2 in AT_CTRL_R) is used instead of the LARGEST_WIN_MODE. Tested-by: Drew Fustini <drew@pdp7.com> Tested-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Fixes: 43658a542ebf ("mmc: sdhci-of-dwcmshc: Add support for T-Head TH1520") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240402093539.184287-1-bigunclemax@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2024-04-04Revert "tg3: Remove residual error handling in tg3_suspend"Paolo Abeni
This reverts commit 9ab4ad295622a3481818856762471c1f8c830e18. I went out of coffee and applied it to the wrong tree. Blame on me. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-04x86/CPU/AMD: Track SNP host status with cc_platform_*()Borislav Petkov (AMD)
The host SNP worthiness can determined later, after alternatives have been patched, in snp_rmptable_init() depending on cmdline options like iommu=pt which is incompatible with SNP, for example. Which means that one cannot use X86_FEATURE_SEV_SNP and will need to have a special flag for that control. Use that newly added CC_ATTR_HOST_SEV_SNP in the appropriate places. Move kdump_sev_callback() to its rightful place, while at it. Fixes: 216d106c7ff7 ("x86/sev: Add SEV-SNP host initialization support") Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Tested-by: Srikanth Aithal <sraithal@amd.com> Link: https://lore.kernel.org/r/20240327154317.29909-6-bp@alien8.de
2024-04-04tg3: Remove residual error handling in tg3_suspendNikita Kiryushin
As of now, tg3_power_down_prepare always ends with success, but the error handling code from former tg3_set_power_state call is still here. This code became unreachable in commit c866b7eac073 ("tg3: Do not use legacy PCI power management"). Remove (now unreachable) error handling code for simplification and change tg3_power_down_prepare to a void function as its result is no more checked. Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru> Reviewed-by: Michael Chan <michael.chan@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240401191418.361747-1-kiryushin@ancud.ru Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-04ata: sata_gemini: Check clk_enable() resultChen Ni
The call to clk_enable() in gemini_sata_start_bridge() can fail. Add a check to detect such failure. Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
2024-04-04ata: sata_mv: Fix PCI device ID table declaration compilation warningArnd Bergmann
Building with W=1 shows a warning for an unused variable when CONFIG_PCI is diabled: drivers/ata/sata_mv.c:790:35: error: unused variable 'mv_pci_tbl' [-Werror,-Wunused-const-variable] static const struct pci_device_id mv_pci_tbl[] = { Move the table into the same block that containsn the pci_driver definition. Fixes: 7bb3c5290ca0 ("sata_mv: Remove PCI dependency") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
2024-04-03net: mana: Fix Rx DMA datasize and skb_over_panicHaiyang Zhang
mana_get_rxbuf_cfg() aligns the RX buffer's DMA datasize to be multiple of 64. So a packet slightly bigger than mtu+14, say 1536, can be received and cause skb_over_panic. Sample dmesg: [ 5325.237162] skbuff: skb_over_panic: text:ffffffffc043277a len:1536 put:1536 head:ff1100018b517000 data:ff1100018b517100 tail:0x700 end:0x6ea dev:<NULL> [ 5325.243689] ------------[ cut here ]------------ [ 5325.245748] kernel BUG at net/core/skbuff.c:192! [ 5325.247838] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 5325.258374] RIP: 0010:skb_panic+0x4f/0x60 [ 5325.302941] Call Trace: [ 5325.304389] <IRQ> [ 5325.315794] ? skb_panic+0x4f/0x60 [ 5325.317457] ? asm_exc_invalid_op+0x1f/0x30 [ 5325.319490] ? skb_panic+0x4f/0x60 [ 5325.321161] skb_put+0x4e/0x50 [ 5325.322670] mana_poll+0x6fa/0xb50 [mana] [ 5325.324578] __napi_poll+0x33/0x1e0 [ 5325.326328] net_rx_action+0x12e/0x280 As discussed internally, this alignment is not necessary. To fix this bug, remove it from the code. So oversized packets will be marked as CQE_RX_TRUNCATED by NIC, and dropped. Cc: stable@vger.kernel.org Fixes: 2fbbd712baf1 ("net: mana: Enable RX path to handle various MTU sizes") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: Dexuan Cui <decui@microsoft.com> Link: https://lore.kernel.org/r/1712087316-20886-1-git-send-email-haiyangz@microsoft.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-03net: phy: micrel: lan8814: Fix when enabling/disabling 1-step timestampingHoratiu Vultur
There are 2 issues with the blamed commit. 1. When the phy is initialized, it would enable the disabled of UDPv4 checksums. The UDPv6 checksum is already enabled by default. So when 1-step is configured then it would clear these flags. 2. After the 1-step is configured, then if 2-step is configured then the 1-step would be still configured because it is not clearing the flag. So the sync frames will still have origin timestamps set. Fix this by reading first the value of the register and then just change bit 12 as this one determines if the timestamp needs to be inserted in the frame, without changing any other bits. Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy") Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Reviewed-by: Divya Koppera <divya.koppera@microchip.com> Link: https://lore.kernel.org/r/20240402071634.2483524-1-horatiu.vultur@microchip.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-03net: stmmac: fix rx queue priority assignmentPiotr Wejman
The driver should ensure that same priority is not mapped to multiple rx queues. From DesignWare Cores Ethernet Quality-of-Service Databook, section 17.1.29 MAC_RxQ_Ctrl2: "[...]The software must ensure that the content of this field is mutually exclusive to the PSRQ fields for other queues, that is, the same priority is not mapped to multiple Rx queues[...]" Previously rx_queue_priority() function was: - clearing all priorities from a queue - adding new priorities to that queue After this patch it will: - first assign new priorities to a queue - then remove those priorities from all other queues - keep other priorities previously assigned to that queue Fixes: a8f5102af2a7 ("net: stmmac: TX and RX queue priority configuration") Fixes: 2142754f8b9c ("net: stmmac: Add MAC related callbacks for XGMAC2") Signed-off-by: Piotr Wejman <piotrwejman90@gmail.com> Link: https://lore.kernel.org/r/20240401192239.33942-1-piotrwejman90@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-03net: txgbe: fix i2c dev name cannot match clkdevDuanqiang Wen
txgbe clkdev shortened clk_name, so i2c_dev info_name also need to shorten. Otherwise, i2c_dev cannot initialize clock. Fixes: e30cef001da2 ("net: txgbe: fix clk_name exceed MAX_DEV_ID limits") Signed-off-by: Duanqiang Wen <duanqiangwen@net-swift.com> Link: https://lore.kernel.org/r/20240402021843.126192-1-duanqiangwen@net-swift.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-03net: fec: Set mac_managed_pm during probeWei Fang
Setting mac_managed_pm during interface up is too late. In situations where the link is not brought up yet and the system suspends the regular PHY power management will run. Since the FEC ETHEREN control bit is cleared (automatically) on suspend the controller is off in resume. When the regular PHY power management resume path runs in this context it will write to the MII_DATA register but nothing will be transmitted on the MDIO bus. This can be observed by the following log: fec 5b040000.ethernet eth0: MDIO read timeout Microchip LAN87xx T1 5b040000.ethernet-1:04: PM: dpm_run_callback(): mdio_bus_phy_resume+0x0/0xc8 returns -110 Microchip LAN87xx T1 5b040000.ethernet-1:04: PM: failed to resume: error -110 The data written will however remain in the MII_DATA register. When the link later is set to administrative up it will trigger a call to fec_restart() which will restore the MII_SPEED register. This triggers the quirk explained in f166f890c8f0 ("net: ethernet: fec: Replace interrupt driven MDIO with polled IO") causing an extra MII_EVENT. This extra event desynchronizes all the MDIO register reads, causing them to complete too early. Leading all reads to read as 0 because fec_enet_mdio_wait() returns too early. When a Microchip LAN8700R PHY is connected to the FEC, the 0 reads causes the PHY to be initialized incorrectly and the PHY will not transmit any ethernet signal in this state. It cannot be brought out of this state without a power cycle of the PHY. Fixes: 557d5dc83f68 ("net: fec: use mac-managed PHY PM") Closes: https://lore.kernel.org/netdev/1f45bdbe-eab1-4e59-8f24-add177590d27@actia.se/ Signed-off-by: Wei Fang <wei.fang@nxp.com> [jernberg: commit message] Signed-off-by: John Ernberg <john.ernberg@actia.se> Link: https://lore.kernel.org/r/20240328155909.59613-2-john.ernberg@actia.se Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-04i2c: pxa: hide unused icr_bits[] variableArnd Bergmann
The function using this is hidden in an #ifdef, so the variable needs the same one for a clean W=1 build: drivers/i2c/busses/i2c-pxa.c:327:26: error: 'icr_bits' defined but not used [-Werror=unused-const-variable=] Fixes: d6a7b5f84b5c ("[ARM] 4827/1: fix two warnings in drivers/i2c/busses/i2c-pxa.c") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
2024-04-03cxl/core: Fix initialization of mbox_cmd.size_out in get eventKwangjin Ko
Since mbox_cmd.size_out is overwritten with the actual output size in the function below, it needs to be initialized every time. cxl_internal_send_cmd -> __cxl_pci_mbox_send_cmd Problem scenario: 1) The size_out variable is initially set to the size of the mailbox. 2) Read an event. - size_out is set to 160 bytes(header 32B + one event 128B). - Two event are created while reading. 3) Read the new *two* events. - size_out is still set to 160 bytes. - Although the value of out_len is 288 bytes, only 160 bytes are copied from the mailbox register to the local variable. - record_count is set to 2. - Accessing records[1] will result in reading incorrect data. Fixes: 6ebe28f9ec72 ("cxl/mem: Read, trace, and clear events on driver load") Tested-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Kwangjin Ko <kwangjin.ko@sk.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2024-04-03idpf: fix kernel panic on unknown packet typesJoshua Hay
In the very rare case where a packet type is unknown to the driver, idpf_rx_process_skb_fields would return early without calling eth_type_trans to set the skb protocol / the network layer handler. This is especially problematic if tcpdump is running when such a packet is received, i.e. it would cause a kernel panic. Instead, call eth_type_trans for every single packet, even when the packet type is unknown. Fixes: 3a8845af66ed ("idpf: add RX splitq napi poll support") Reported-by: Balazs Nemeth <bnemeth@redhat.com> Signed-off-by: Joshua Hay <joshua.a.hay@intel.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Tested-by: Salvatore Daniele <sdaniele@redhat.com> Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com> Tested-by: Krishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-04-03drm/i915/mst: Reject FEC+MST on ICLVille Syrjälä
ICL supposedly doesn't support FEC on MST. Reject it. Cc: stable@vger.kernel.org Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path") Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240402135148.23011-7-ville.syrjala@linux.intel.com (cherry picked from commit b648ce2a28ba83c4fa67c61fcc5983e15e9d4afb) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/mst: Limit MST+DSC to TGL+Ville Syrjälä
The MST code currently assumes that glk+ already supports MST+DSC, which is incorrect. We need to check for TGL+ actually. ICL does support SST+DSC, but supposedly it can't do MST+FEC which will also rule out MST+DSC. Note that a straight TGL+ check doesn't work here because DSC support can get fused out, so we do need to also check 'has_dsc'. Cc: stable@vger.kernel.org Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path") Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240402135148.23011-6-ville.syrjala@linux.intel.com (cherry picked from commit c9c92f286dbdf872390ef3e74dbe5f0641e46f55) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/dp: Fix the computation for compressed_bpp for DISPLAY < 13Ankit Nautiyal
For DISPLAY < 13, compressed bpp is chosen from a list of supported compressed bpps. Fix the condition to choose the appropriate compressed bpp from the list. Fixes: 1c56e9a39833 ("drm/i915/dp: Get optimal link config to have best compressed bpp") Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <stable@vger.kernel.org> # v6.7+ Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10162 Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240305054443.2489895-1-ankit.k.nautiyal@intel.com (cherry picked from commit 5a1da42b50f3594e18738885c2f23ed36629dd00) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/gt: Enable only one CCS for compute workloadAndi Shyti
Enable only one CCS engine by default with all the compute sices allocated to it. While generating the list of UABI engines to be exposed to the user, exclude any additional CCS engines beyond the first instance. This change can be tested with igt i915_query. Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement") Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris.p.wilson@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: <stable@vger.kernel.org> # v6.2+ Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Acked-by: Michal Mrozek <michal.mrozek@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-4-andi.shyti@linux.intel.com (cherry picked from commit 2bebae0112b117de7e8a7289277a4bd2403b9e17) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/gt: Do not generate the command streamer for all the CCSAndi Shyti
We want a fixed load CCS balancing consisting in all slices sharing one single user engine. For this reason do not create the intel_engine_cs structure with its dedicated command streamer for CCS slices beyond the first. Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement") Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris.p.wilson@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: <stable@vger.kernel.org> # v6.2+ Acked-by: Michal Mrozek <michal.mrozek@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-3-andi.shyti@linux.intel.com (cherry picked from commit c7a5aa4e57f88470313a8277eb299b221b86e3b1) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/gt: Disable HW load balancing for CCSAndi Shyti
The hardware should not dynamically balance the load between CCS engines. Wa_14019159160 recommends disabling it across all platforms. Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement") Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris.p.wilson@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: <stable@vger.kernel.org> # v6.2+ Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Acked-by: Michal Mrozek <michal.mrozek@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-2-andi.shyti@linux.intel.com (cherry picked from commit f5d2904cf814f20b79e3e4c1b24a4ccc2411b7e0) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/gt: Limit the reserved VM space to only the platforms that need itAndi Shyti
Commit 9bb66c179f50 ("drm/i915: Reserve some kernel space per vm") reduces the available VM space of one page in order to apply Wa_16018031267 and Wa_16018063123. This page was reserved indiscrimitely in all platforms even when not needed. Limit it to DG2 onwards. Fixes: 9bb66c179f50 ("drm/i915: Reserve some kernel space per vm") Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Chris Wilson <chris.p.wilson@linux.intel.com> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com> Cc: Nirmoy Das <nirmoy.das@intel.com> Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Acked-by: Michal Mrozek <michal.mrozek@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240327200546.640108-1-andi.shyti@linux.intel.com (cherry picked from commit 9721634441d5dedba7f9eebb2bf0c9411cbafc4e) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/psr: Fix intel_psr2_sel_fetch_et_alignment usageJouni Högander
Currently we are not aligning selective update area to cover cursor fully when cursor is not updated by itself but still in the selective update area. Fix this by checking cursor separately after drm_atomic_add_affected_planes. Bspec: 68927 Fixes: 1bff93b8bc27 ("drm/i915/psr: Extend SU area to cover cursor fully if needed") Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-4-jouni.hogander@intel.com (cherry picked from commit d37b3dac68e26669f03f768b3afc9abc094c9ac9) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/psr: Move writing early transport pipe srcJouni Högander
Currently PIPE_SRCSZ_ERLY_TPT is written in intel_display.c:intel_set_pipe_src_size. This doesn't work as intel_set_pipe_src_size is called only on modeset. Bspec: 68927 Fixes: 3291bbb93e16 ("drm/i915/psr: Configure PIPE_SRCSZ_ERLY_TPT for psr2 early transport") Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-3-jouni.hogander@intel.com (cherry picked from commit b52c4093b0c9089b00b42823d41986a94d32e341) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03drm/i915/psr: Calculate PIPE_SRCSZ_ERLY_TPT valueJouni Högander
When early transport is enabled we need to write PIPE_SRCSZ_ERLY_TPT on every flip doing selective update. This patch calculates PIPE_SRCSZ_ERLY_TPT same way as is done for PSR2_MAN_TRK_CTL value and stores i in intel_crtc_state->pipe_srcsz_early_tpt to be written later during flip. Bspec: 68927 Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-2-jouni.hogander@intel.com (cherry picked from commit f3b899f0b4b17fa0b20e27c23f78604d5686383d) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-04-03HID: logitech-dj: allow mice to use all types of reportsYaraslau Furman
You can bind whatever action you want to the mouse's reprogrammable buttons using Windows application. Allow Linux to receive multimedia keycodes. Fixes: 3ed224e273ac ("HID: logitech-dj: Fix 064d:c52f receiver support") Signed-off-by: Yaraslau Furman <yaro330@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2024-04-03ice: fix enabling RX VLAN filteringPetr Oros
ice_port_vlan_on/off() was introduced in commit 2946204b3fa8 ("ice: implement bridge port vlan"). But ice_port_vlan_on() incorrectly assigns ena_rx_filtering to inner_vlan_ops in DVM mode. This causes an error when rx_filtering cannot be enabled in legacy mode. Reproducer: echo 1 > /sys/class/net/$PF/device/sriov_numvfs ip link set $PF vf 0 spoofchk off trust on vlan 3 dmesg: ice 0000:41:00.0: failed to enable Rx VLAN filtering for VF 0 VSI 9 during VF rebuild, error -95 Fixes: 2946204b3fa8 ("ice: implement bridge port vlan") Signed-off-by: Petr Oros <poros@redhat.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Tested-by: Rafal Romanowski <rafal.romanowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-04-03ice: Fix freeing uninitialized pointersDan Carpenter
Automatically cleaned up pointers need to be initialized before exiting their scope. In this case, they need to be initialized to NULL before any return statement. Fixes: 90f821d72e11 ("ice: avoid unnecessary devm_ usage") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-04-03thermal: gov_power_allocator: Allow binding without trip pointsNikita Travkin
IPA probe function was recently refactored to perform extra error checks and make sure the thermal zone has trip points necessary for the IPA operation. With this change, if a thermal zone is probed such that it has no trip points that IPA can use, IPA will fail and the TZ won't be created. This is the case if a platform defines a TZ without cooling devices and only with "hot"/"critical" trip points, often found on some Qualcomm devices [1]. Documentation across IPA code (notably get_governor_trips() kerneldoc) suggests that IPA is supposed to handle such TZ even if it won't actually do anything. This commit partially reverts the previous change to allow IPA to bind to such "empty" thermal zones. Fixes: e83747c2f8e3 ("thermal: gov_power_allocator: Set up trip points earlier") Link: arch/arm64/boot/dts/qcom/sc7180.dtsi#n4776 # [1] Signed-off-by: Nikita Travkin <nikita@trvn.ru> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-04-03thermal: gov_power_allocator: Allow binding without cooling devicesNikita Travkin
IPA was recently refactored to split out memory allocation into a separate funciton. That funciton was made to return -EINVAL if there is zero power_actors and thus no memory to allocate. This causes IPA to fail probing when the thermal zone has no attached cooling devices. Since cooling devices can attach after the thermal zone is created and the governer is attached to it, failing probe due to the lack of cooling devices is incorrect. Change the allocate_actors_buffer() to return success when there is no cooling devices present. Fixes: 912e97c67cc3 ("thermal: gov_power_allocator: Move memory allocation out of throttle()") Signed-off-by: Nikita Travkin <nikita@trvn.ru> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>