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2021-04-14staging: rtl8192e: remove unnecessary blank line before braceMitali Borkar
Removed an extra blank line before close brace as it was not necessary. Reported by checkpatch. Signed-off-by: Mitali Borkar <mitaliborkar810@gmail.com> Link: https://lore.kernel.org/r/cad6a7885f30dcfabaf1ccab1fd0644416fea194.1618380932.git.mitaliborkar810@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8192e: add spaces around binary operatorsMitali Borkar
Added spaces around binary operators like '+', '*', '|', '-', '&', to improve readability and to meet linux kernel coding style. Signed-off-by: Mitali Borkar <mitaliborkar810@gmail.com> Link: https://lore.kernel.org/r/28cbc4825fdfacf5d5ea8bb688a8bd6a1c65f059.1618380932.git.mitaliborkar810@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8723bs: hal: Remove four set but not used variablesFabio M. De Francesco
Removed four variables that were set but not used. Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20210414061346.11423-1-fmdefrancesco@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8723bs: remove two unused functionsFabio Aiuto
remove dump_drv_version() and dump_log_level() function definitions and prototypes. Those functions are unused, and add unnecessary wrap level to log calls. They wrap DBG_871X_SEL_NL which will be replaced by netdev_dbg() with coccinelle script application. Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/2e8dd88c053735daed95701140b2f03b4cfe2a2e.1618325614.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8723bs: remove unnecessary dump_drv_version() usageFabio Aiuto
remove unnecessary dump_drv_version() usage. This prepares dump_drv_version() for removal, before coccinelle script application. Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/9ce6559cac69eaebfdb07206921d14e99d2b1967.1618325614.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8723bs: replace dump_drv_version() usage with netdev_dbg()Fabio Aiuto
replace dump_drv_version() usage with netdev_dbg(). There's no need to further wrap a netdev_dbg() call for such a low number of occurrences. The string printed is the same contained in DBG_871X_SEL_NL macro called inside dump_drv_version(). This is just preparation before bulk DBG_871X_SEL_NL macro replacement by coccinelle, as the semantic patch that will be used just replaces, doesn't remove. Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/a4df375dba6c004a22cf197ff8d498d0e4f3b52e.1618325614.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8723bs: core: Remove unused but set variableFabio M. De Francesco
Removed "ledBlink_param" because it was set to the value of "pbuf" but was never reused. This set was made by direct assignment (no helper had been called), therefore it had no side effect to the location pointed by "pbuf". Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20210413150517.12533-1-fmdefrancesco@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: rtl8188eu: Move channel_table away from rtw_mlme_ext.hFabio M. De Francesco
Moved "static const struct channel_table[]" from include/rtw_mlme_ext.h to core/rtw_ioctl_set.c because the latter is the only file that uses that array of struct(s) in the whole driver. "make rtl8188eu/ W=1" output several warnings about "'channel_table' defined but not used [-Wunused-const-variable=]". Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20210413102033.24781-1-fmdefrancesco@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14staging: comedi: adv_pci_dio: remove whitespaceMikko Talikka
Fixed checkpatch.pl warning: CHECK: Blank lines aren't necessary before a close brace '}' + + } Signed-off-by: Mikko Talikka <mikko.talikka@live.com> Link: https://lore.kernel.org/r/AM0PR01MB42597C4CAA1B9E51D4AE3D5E974F9@AM0PR01MB4259.eurprd01.prod.exchangelabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14can: etas_es58x: fix null pointer dereference when handling error framesVincent Mailhol
During the handling of CAN bus errors, a CAN error SKB is allocated using alloc_can_err_skb(). Even if the allocation of the SKB fails, the function continues in order to do the stats handling. All access to the can_frame pointer (cf) should be guarded by an if statement: if (cf) However, the increment of the rx_bytes stats: netdev->stats.rx_bytes += cf->can_dlc; dereferences the cf pointer and was not guarded by an if condition leading to a NULL pointer dereference if the can_err_skb() function failed. Replacing the cf->can_dlc by the macro CAN_ERR_DLC (which is the length of any CAN error frames) solves this NULL pointer dereference. Fixes: 8537257874e9 ("can: etas_es58x: add core support for ETAS ES58X CAN USB interfaces") Link: https://lore.kernel.org/r/20210413114242.2760-1-mailhol.vincent@wanadoo.fr Reported-by: Arunachalam Santhanam <arunachalam.santhanam@in.bosch.com> Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2021-04-14Merge tag 'intel-pinctrl-v5.12-4' of ↵Linus Walleij
gitolite.kernel.org:pub/scm/linux/kernel/git/pinctrl/intel into fixes intel-pinctrl for v5.12-4 * Fix pin numbering per community in Intel Lewisburg driver The following is an automated git shortlog grouped by driver: lewisburg: - Update number of pins in community
2021-04-14x86/pat: Do not compile stubbed functions when X86_PAT is offJan Kiszka
Those are already provided by linux/io.h as stubs. The conflict remains invisible until someone would pull linux/io.h into memtype.c. This fixes a build error when this file is used outside of the kernel tree. [ bp: Massage commit message. ] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/a9351615-7a0d-9d47-af65-d9e2fffe8192@siemens.com
2021-04-14x86/setup: Move trim_snb_memory() later in setup_arch() to fix boot hangsMike Rapoport
Commit a799c2bd29d1 ("x86/setup: Consolidate early memory reservations") moved reservation of the memory inaccessible by Sandy Bride integrated graphics very early, and, as a result, on systems with such devices the first 1M was reserved by trim_snb_memory() which prevented the allocation of the real mode trampoline and made the boot hang very early. Since the purpose of trim_snb_memory() is to prevent problematic pages ever reaching the graphics device, it is safe to reserve these pages after memblock allocations are possible. Move trim_snb_memory() later in boot so that it will be called after reserve_real_mode() and make comments describing trim_snb_memory() operation more elaborate. [ bp: Massage a bit. ] Fixes: a799c2bd29d1 ("x86/setup: Consolidate early memory reservations") Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Borislav Petkov <bp@suse.de> Tested-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Hugh Dickins <hughd@google.com> Link: https://lkml.kernel.org/r/f67d3e03-af90-f790-baf4-8d412fe055af@infradead.org
2021-04-13ARM: dts: qcom: sdx55: add IPA informationAlex Elder
Add IPA-related nodes and definitions to "sdx55.dtsi". The SMP2P nodes (ipa_smp2p_out and ipa_smp2p_in) are already present. Signed-off-by: Alex Elder <elder@linaro.org> Link: https://lore.kernel.org/r/20210409155251.955632-1-elder@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Reduce CMA size to 64MBManivannan Sadhasivam
Not all platforms are able to allocate CMA size of 256MB. One such platform is SDX55. Hence, use the standard 64MB size for CMA. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-8-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable GLINK SMEM driverManivannan Sadhasivam
Enable the Qualcomm GLINK SMEM driver to support GLINK protocol over shared memory. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-7-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable SDX55 interconnect driverManivannan Sadhasivam
Enable interconnect driver for SDX55 platform to manage the interconnect providers. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-6-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable Q6V5_PAS remoteproc driverManivannan Sadhasivam
Enable the Qualcomm Q6V5_PAS (Peripheral Authentication Service) remoteproc driver to manage the modem co-processor in SDX55 platform. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-5-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable CPUFreq supportManivannan Sadhasivam
Enable CPUFreq and CPUFreq DT drivers to carry out CPU Frequency scaling duties on platforms like SDX55. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-4-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable SDX55 A7 PLL and APCS clock driverManivannan Sadhasivam
Enable A7 PLL driver and APCS clock driver on SDX55 platform. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-3-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: configs: qcom_defconfig: Enable APCS IPC mailbox driverManivannan Sadhasivam
Enable Qualcomm APCS IPC mailbox driver for IPC communication between application processor and other masters in platforms like SDX55. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170930.91834-2-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add basic devicetree support for Thundercomm T55Manivannan Sadhasivam
Thundercomm T55 is the development platform based on the Qualcomm SDX55 chipset. This basic support includes support for debug serial, NAND flash, BAM DMA, USB and regulators support. https://www.thundercomm.com/app_en/product/1593506006365532 Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-14-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13dt-bindings: arm: qcom: Add binding for Thundercomm T55 kitManivannan Sadhasivam
Add devicetree binding for Thundercomm T55 Dev kit based on SDX55. Acked-by: Rob Herring <robh@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-13-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add basic devicetree support for Telit FN980 TLBManivannan Sadhasivam
Telit FN980 TLB is the development platform based on the Qualcomm SDX55 chipset. This basic support includes support for debug serial, NAND flash, BAM DMA, USB and regulators support. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-12-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13dt-bindings: arm: qcom: Add binding for Telit FN980 TLB boardManivannan Sadhasivam
Add devicetree binding for Telit FN980 TLB board based on SDX55. Acked-by: Rob Herring <robh@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-11-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add Modem remoteproc nodeManivannan Sadhasivam
Add modem support to SDX55 using the PAS remoteproc driver. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-16-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13net: ethernet: intel: Fix a typo in the file ixgbe_dcb_nl.cBhaskar Chowdhury
s/Reprogam/Reprogram/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-13net: intel: Remove unused function pointer typedef ixgbe_mc_addr_itrChen Lin
Remove the 'ixgbe_mc_addr_itr' typedef as it is not used. Signed-off-by: Chen Lin <chen.lin5@zte.com.cn> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-13ixgbe: Support external GBE SerDes PHY BCM54616sJostar Yang
The Broadcom PHY is used in switches, so add the ID, and hook it up. This upstreams the Linux kernel patch from the network operating system SONiC from February 2020 [1]. [1]: https://github.com/Azure/sonic-linux-kernel/pull/122 Signed-off-by: Jostar Yang <jostar_yang@accton.com> Signed-off-by: Guohan Lu <lguohan@gmail.com> Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-13ARM: dts: qcom: Fix node name for NAND controller nodeManivannan Sadhasivam
Use the common "nand-controller" node name for NAND controller node to fix the `make dtbs_check` validation for Qcom platforms. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-10-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add interconnect nodesManivannan Sadhasivam
Add interconnect nodes for the providers in SDX55 platform. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-9-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add SCM nodeManivannan Sadhasivam
Add SCM node to enable SCM functionality on SDX55 platform. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-8-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13dt-bindings: firmware: scm: Add compatible for SDX55Manivannan Sadhasivam
Add devicetree compatible for SCM present in SDX55 platform. Acked-by: Rob Herring <robh@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-7-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add IMEM and PIL info regionManivannan Sadhasivam
Add a simple-mfd representing IMEM on SDX55 and define the PIL relocation info region, so that post mortem tools will be able to locate the loaded remoteproc. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-6-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add modem SMP2P nodeManivannan Sadhasivam
Add SMP2P nodes for the SDX55 platform to communicate with the modem. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-5-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add CPUFreq supportManivannan Sadhasivam
Add CPUFreq support to SDX55 platform using the cpufreq-dt driver. There is no dedicated hardware block available on this platform to carry on the CPUFreq duties. Hence, it is accomplished using the CPU clock and regulators tied together by the operating points table. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-4-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add support for APCS blockManivannan Sadhasivam
The APCS block on SDX55 acts as a mailbox controller and also provides clock output for the Cortex A7 CPU. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-3-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13ARM: dts: qcom: sdx55: Add support for A7 PLL clockManivannan Sadhasivam
On SDX55 there is a separate A7 PLL which is used to provide high frequency clock to the Cortex A7 CPU via a MUX. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210408170457.91409-2-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-04-13Merge tag 'trace-v5.12-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "Fix a memory link in dyn_event_release(). An error path exited the function before freeing the allocated 'argv' variable" * tag 'trace-v5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/dynevent: Fix a memory leak in an error handling path
2021-04-13selftests/bpf: Add tests for target information in bpf_link info queriesToke Høiland-Jørgensen
Extend the fexit_bpf2bpf test to check that the info for the bpf_link returned by the kernel matches the expected values. While we're updating the test, change existing uses of CHEC() to use the much easier to read ASSERT_*() macros. v2: - Convert last CHECK() call and get rid of 'duration' var - Split ASSERT_OK_PTR() checks to two separate if statements Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210413091607.58945-2-toke@redhat.com
2021-04-13bpf: Return target info when a tracing bpf_link is queriedToke Høiland-Jørgensen
There is currently no way to discover the target of a tracing program attachment after the fact. Add this information to bpf_link_info and return it when querying the bpf_link fd. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210413091607.58945-1-toke@redhat.com
2021-04-13mailbox: arm_mhu_db: Remove redundant dev_err call in mhu_db_probe()Qiheng Lin
There is a error message within devm_ioremap_resource already, so remove the dev_err call to avoid redundant error message. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Qiheng Lin <linqiheng@huawei.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13mailbox: sprd: Add supplementary inbox supportOrson Zhai
Some sensors connected to Unisoc mailbox will send data very frequently. This makes channel 0 very busy and the messages from other remote cores not able to be handled as soon as possible. It's a trick (un-documented) from Unisoc ASIC designers to resolve this special requirement that an inbox assigned to one of the remote cores before was modified to be exposed to host cpu core. Then from host side, a supplementary inbox is added for transferring mass but not emergency messages from the remote cores, such as step counting sensor, with an independent FIFO and interrupt which is as same as channel 0. Meanwihle, inbox part of this channel is still kept for original remote core to use. Signed-off-by: Orson Zhai <orson.zhai@unisoc.com> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13dt-bindings: mailbox: Add interrupt-names to SPRD mailboxOrson Zhai
We add an optional supp-outbox interrupt support to SPRD mailbox driver with newly added sc9863a support and change to configure interrupts with names in device tree files. Signed-off-by: Orson Zhai <orson.zhai@unisoc.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13mailbox: sprd: Introduce refcnt when clients requests/free channelsOrson Zhai
Unisoc mailbox has no way to be enabled/disabled for any single channel. They can only be set to startup or shutdown as a whole device at same time. Add a variable to count references to avoid mailbox FIFO being reset unexpectedly when clients are requesting or freeing channels. Also add a lock to dismiss possible conflicts from register r/w in different startup or shutdown threads. And fix the crash problem when early interrupts come from channel which has not been requested by client yet. Fixes: ca27fc26cd22 ("mailbox: sprd: Add Spreadtrum mailbox driver") Signed-off-by: Orson Zhai <orson.zhai@unisoc.com> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13MAINTAINERS: Add DT bindings directory to mailboxBjorn Andersson
DT bindings related to mailbox drivers are typically picked by the mailbox maintainer, so add the binding folder to the maintainers entry to make sure get_maintainer finds it. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13mailbox: fix various typos in commentsTom Saeger
Fix trivial typos in mailbox driver comments. s/Intergrated/Integrated/ s/extenstion/extension/ s/atleast/at least/ s/commnunication/communication/ s/assgined/assigned/ s/commnunication/communication/ s/recevied/received/ s/succeded/succeeded/ s/implmentation/implementation/ s/definiation/definition/ s/traget/target/ s/wont/won't/ Cc: trivial@kernel.org Signed-off-by: Tom Saeger <tom.saeger@oracle.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13mailbox: pcc: fix platform_no_drv_owner.cocci warningsYang Li
./drivers/mailbox/pcc.c:580:3-8: No need to set .owner here. The core will do it. Remove .owner field if calls are used which set it automatically Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13dt-bindings: mailbox: Add compatible for SM8350 IPCCVinod Koul
Add the compatible string for SM8350 IPCC block on this SoC Signed-off-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-04-13xen-netback: Check for hotplug-status existence before watchingMichael Brown
The logic in connect() is currently written with the assumption that xenbus_watch_pathfmt() will return an error for a node that does not exist. This assumption is incorrect: xenstore does allow a watch to be registered for a nonexistent node (and will send notifications should the node be subsequently created). As of commit 1f2565780 ("xen-netback: remove 'hotplug-status' once it has served its purpose"), this leads to a failure when a domU transitions into XenbusStateConnected more than once. On the first domU transition into Connected state, the "hotplug-status" node will be deleted by the hotplug_status_changed() callback in dom0. On the second or subsequent domU transition into Connected state, the hotplug_status_changed() callback will therefore never be invoked, and so the backend will remain stuck in InitWait. This failure prevents scenarios such as reloading the xen-netfront module within a domU, or booting a domU via iPXE. There is unfortunately no way for the domU to work around this dom0 bug. Fix by explicitly checking for existence of the "hotplug-status" node, thereby creating the behaviour that was previously assumed to exist. Signed-off-by: Michael Brown <mbrown@fensystems.co.uk> Reviewed-by: Paul Durrant <paul@xen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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