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Retain the VF MAC address, default VLAN, TX rate control, trust settings
of VFs after firmware reset.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health reporter for the firmware reset event. Once we get
the notification from firmware about the impending reset, the driver
will report this to devlink and the call to bnxt_fw_reset() will be
initiated to complete the reset sequence.
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the bnxt_fw_reset() main function to handle firmware reset. This
is triggered by firmware to initiate an orderly reset, for example
when a non-fatal exception condition has been detected. bnxt_fw_reset()
will first wait for all VFs to shutdown and then start the
bnxt_fw_reset_task() work queue to go through the sequence of reset,
re-probe, and re-initialization.
The next patch will add the devlink reporter to start the sequence and
call bnxt_fw_reset().
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This event from firmware signals a coordinated reset initiated by the
firmware. It may be triggered by some error conditions encountered
in the firmware or other orderly reset conditions.
We store the parameters from this event. Subsequent patches will
add logic to handle reset itself using devlink reporters.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create new FW devlink_health_reporter, to know the current health
status of FW.
Command example and output:
$ devlink health show pci/0000:af:00.0 reporter fw
pci/0000:af:00.0:
name fw
state healthy error 0 recover 0
FW status: Healthy; Reset count: 1
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new flag will be set in subsequent patches when firmware is
going through reset. If bnxt_close() is called while the new flag
is set, the FW reset sequence will have to be aborted because the
NIC is prematurely closed before FW reset has completed. We also
reject SRIOV configurations while FW reset is in progress.
v2: No longer drop rtnl_lock() in close and wait for FW reset to complete.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Handle the async event from the firmware that enables firmware health
monitoring. Store initial health metrics.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pre-map the GRC registers for periodic firmware health monitoring.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call the new firmware API HWRM_ERROR_RECOVERY_QCFG if it is supported
to discover the firmware health and recovery capabilities and settings.
This feature allows the driver to reset the chip if firmware crashes and
becomes unresponsive.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During IF_UP, newer firmware has a new status flag that indicates that
firmware has reset. Add new function bnxt_fw_init_one() to re-probe the
firmware and re-setup VF resources on the PF if necessary. If the
re-probe fails, set a flag to prevent bnxt_open() from proceeding again.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When VFs need to be reconfigured dynamically after firmwware reset, the
configuration sequence on the PF needs to be changed to register the VF
buffers first. Otherwise, some VF firmware commands may not succeed as
there may not be PF buffers ready for the re-directed firmware commands.
This sequencing did not matter much before when we only supported
the normal bring-up of VFs.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Refactor the hardware/firmware configuration portion in
bnxt_sriov_enable() into a new function bnxt_cfg_hw_sriov(). This
new function can be called after a firmware reset to reconfigure the
VFs previously enabled.
v2: straight refactor of the code. Reordering done in the next patch.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for the new firmware reset feature, some of the logic
in bnxt_init_one() and related functions will be called again after
firmware has reset. Reset some of the flags and capabilities so that
everything that can change can be re-initialized. Refactor some
functions to probe firmware versions and capabilities. Check some
buffers before allocating as they may have been allocated previously.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the silent parameter is set, suppress all messages when there is
no response from firmware. When polling for firmware to come out of
reset, no response may be normal and we want to suppress the error
messages. Also, don't poll for the firmware DMA response if Bus Master
is disabled. This is in preparation for error recovery when firmware
may be in error or reset state or Bus Master is disabled.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are 4 functions handling message forwarding for SR-IOV. They
check for non-zero firmware response code and then return -1. There
is no need to do this anymore. The main messaging function will
now return standard error code. Since we don't need to examine the
response, we can use the hwrm_send_message() variant which will
take the mutex automatically.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The main firmware messaging function returns the firmware defined error
code and many callers have to convert to standard error code for proper
propagation to userspace. Convert bnxt_hwrm_do_send_msg() to return
standard error code so we can do away with all the special error code
handling by the many callers.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the non-standard -1 code with -EBUSY when there is no firmware
response after waiting for the maximum timeout.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The same message is printed 3 times in the code, so use a common function
to do that.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Thomas Bogendoerfer says:
====================
ioc3-eth improvements
In my patch series for splitting out the serial code from ioc3-eth
by using a MFD device there was one big patch for ioc3-eth.c,
which wasn't really usefull for reviews. This series contains the
ioc3-eth changes splitted in smaller steps and few more cleanups.
Only the conversion to MFD will be done later in a different series.
Changes in v3:
- no need to check skb == NULL before passing it to dev_kfree_skb_any
- free memory allocated with get_page(s) with free_page(s)
- allocate rx ring with just GFP_KERNEL
- add required alignment for rings in comments
Changes in v2:
- use net_err_ratelimited for printing various ioc3 errors
- added missing clearing of rx buf valid flags into ioc3_alloc_rings
- use __func__ for printing out of memory messages
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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netif_stop_queue()/netif_wake_qeue() aren't needed for changing
multicast filters.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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emcr in private struct wasn't always protected by spinlock.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The half/full duplex settings for inter packet gap counters/timer were
reversed.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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replace open coded checksum folding by csum_fold.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the homegrown DMA memory allocation, which only works on
SGI-IP27 machines, with the generic dma allocations.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move common code for rx buffer setup into ioc3_alloc_skb and deal
with allocation failures. Also clean up allocation size calculation.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do tx ring cleaning and freeing of rx buffers, when chip is shutdown and
allocate buffers before bringing chip up.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ioc3_init did everything from reset to init rings to starting the chip.
This change move out chip start into a new function as preparation
for easier handling of receive buffer allocation failures.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After allocation of descriptor memory is now done once in probe
handling of tx ring is completely done by ioc3_clean_tx_ring. So
we remove the remaining tx ring actions out of ioc3_alloc_rings
and ioc3_free_rings and rename it to ioc3_[alloc|free]_rx_bufs
to better describe what they are doing.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move clearing of the descriptor valid bit into ioc3_alloc_rings. This
makes ioc3_clean_rx_ring obsolete.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Memory for descriptor rings are allocated/freed, when interface is
brought up/down. Since the size of the rings is not changeable by
hardware, we now allocate rings now during probe and free it, when
device is removed.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Descriptor ring sizes of the IOC3 are more or less fixed size. To
make clearer where there is a relation to ring sizes use defines.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before massaging the driver further fix oddities found by checkpatch like
- wrong indention
- comment formatting
- use of printk instead or netdev_xxx/pr_xxx
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Break up the big ioc3 register struct into functional pieces to
make use in sub-function drivers more straightforward. And while
doing that get rid of all volatile access by using readX/writeX.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removed not needed disabling of ethernet interrupts in IP27 platform code.
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In register_ftrace_function_probe(), we are not checking the return
value of alloc_and_copy_ftrace_hash(). The subsequent call to
ftrace_match_records() may end up dereferencing the same. Add a check to
ensure this doesn't happen.
Link: http://lkml.kernel.org/r/26e92574f25ad23e7cafa3cf5f7a819de1832cbe.1562249521.git.naveen.n.rao@linux.vnet.ibm.com
Cc: stable@vger.kernel.org
Fixes: 1ec3a81a0cf42 ("ftrace: Have each function probe use its own ftrace_ops")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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The race between adding a function probe and reading the probes that exist
is very subtle. It needs a comment. Also, the issue can also happen if the
probe has has the EMPTY_HASH as its func_hash.
Cc: stable@vger.kernel.org
Fixes: 7b60f3d876156 ("ftrace: Dynamically create the probe ftrace_ops for the trace_array")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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LTP testsuite on powerpc results in the below crash:
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc00000000029d800
Oops: Kernel access of bad area, sig: 11 [#1]
LE SMP NR_CPUS=2048 NUMA PowerNV
...
CPU: 68 PID: 96584 Comm: cat Kdump: loaded Tainted: G W
NIP: c00000000029d800 LR: c00000000029dac4 CTR: c0000000001e6ad0
REGS: c0002017fae8ba10 TRAP: 0300 Tainted: G W
MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 28022422 XER: 20040000
CFAR: c00000000029d90c DAR: 0000000000000000 DSISR: 40000000 IRQMASK: 0
...
NIP [c00000000029d800] t_probe_next+0x60/0x180
LR [c00000000029dac4] t_mod_start+0x1a4/0x1f0
Call Trace:
[c0002017fae8bc90] [c000000000cdbc40] _cond_resched+0x10/0xb0 (unreliable)
[c0002017fae8bce0] [c0000000002a15b0] t_start+0xf0/0x1c0
[c0002017fae8bd30] [c0000000004ec2b4] seq_read+0x184/0x640
[c0002017fae8bdd0] [c0000000004a57bc] sys_read+0x10c/0x300
[c0002017fae8be30] [c00000000000b388] system_call+0x5c/0x70
The test (ftrace_set_ftrace_filter.sh) is part of ftrace stress tests
and the crash happens when the test does 'cat
$TRACING_PATH/set_ftrace_filter'.
The address points to the second line below, in t_probe_next(), where
filter_hash is dereferenced:
hash = iter->probe->ops.func_hash->filter_hash;
size = 1 << hash->size_bits;
This happens due to a race with register_ftrace_function_probe(). A new
ftrace_func_probe is created and added into the func_probes list in
trace_array under ftrace_lock. However, before initializing the filter,
we drop ftrace_lock, and re-acquire it after acquiring regex_lock. If
another process is trying to read set_ftrace_filter, it will be able to
acquire ftrace_lock during this window and it will end up seeing a NULL
filter_hash.
Fix this by just checking for a NULL filter_hash in t_probe_next(). If
the filter_hash is NULL, then this probe is just being added and we can
simply return from here.
Link: http://lkml.kernel.org/r/05e021f757625cbbb006fad41380323dbe4e3b43.1562249521.git.naveen.n.rao@linux.vnet.ibm.com
Cc: stable@vger.kernel.org
Fixes: 7b60f3d876156 ("ftrace: Dynamically create the probe ftrace_ops for the trace_array")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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The subtraction of the two pointers is automatically scaled by the
size of the size of the object the pointers point to, so the division
by sizeof(*i2400m->barker) is incorrect. This has been broken since
day one of the driver and is only debug, so remove the debug completely.
Also move && in condition to clean up a checkpatch warning.
Addresses-Coverity: ("Extra sizeof expression")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull ARM fixes from Russell King:
"Three fixes for ARM this time around:
- A fix for update_sections_early() to cope with NULL ->mm pointers.
- A correction to the backtrace code to allow proper backtraces.
- Reinforcement of pfn_valid() with PFNs >= 4GiB"
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8901/1: add a criteria for pfn_valid of arm
ARM: 8897/1: check stmfd instruction using right shift
ARM: 8874/1: mm: only adjust sections of valid mm structures
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If check_cached_key() returns a non-NULL value, we still need to call
key_type::match_free() to undo key_type::match_preparse().
Fixes: 7743c48e54ee ("keys: Cache result of request_key*() temporarily in task_struct")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The majority of the fixes this time are for OMAP hardware, here is a
breakdown of the significant changes:
Various device tree bug fixes:
- TI am57xx boards need a voltage level fix to avoid damaging SD
cards
- vf610-bk4 fails to detect its flash due to an incorrect description
- meson-g12a USB phy configuration fails
- meson-g12b reboot should not power off the SD card
- Some corrections for apparently harmless differences from the
documentation.
Regression fixes:
- ams-delta FIQ interrupts broke in 5.3
- TI am3/am4 mmc controllers broke in 5.2
The logic_pio driver (used on some Huawei ARM servers) got a few bug
fixes for reliability.
And a couple of compile-time warning fixes"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (26 commits)
soc: ixp4xx: Protect IXP4xx SoC drivers by ARCH_IXP4XX || COMPILE_TEST
soc: ti: pm33xx: Make two symbols static
soc: ti: pm33xx: Fix static checker warnings
ARM: OMAP: dma: Mark expected switch fall-throughs
ARM: dts: Fix incomplete dts data for am3 and am4 mmc
bus: ti-sysc: Simplify cleanup upon failures in sysc_probe()
ARM: OMAP1: ams-delta-fiq: Fix missing irq_ack
ARM: dts: dra74x: Fix iodelay configuration for mmc3
ARM: dts: am335x: Fix UARTs length
ARM: OMAP2+: Fix omap4 errata warning on other SoCs
bus: hisi_lpc: Add .remove method to avoid driver unbind crash
bus: hisi_lpc: Unregister logical PIO range to avoid potential use-after-free
lib: logic_pio: Add logic_pio_unregister_range()
lib: logic_pio: Avoid possible overlap for unregistering regions
lib: logic_pio: Fix RCU usage
arm64: dts: amlogic: odroid-n2: keep SD card regulator always on
arm64: dts: meson-g12a-sei510: enable IR controller
arm64: dts: meson-g12a: add missing dwc2 phy-names
ARM: dts: vf610-bk4: Fix qspi node description
ARM: dts: Fix incorrect dcan register mapping for am3, am4 and dra7
...
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Pull rdma fix from Doug Ledford:
"Much calmer week this week. Just one patch queued up:
The way the siw driver was locking around the traversal of the list of
ipv6 addresses on a device was causing a scheduling while atomic
issue. Bernard straightened it out by using the rtnl_lock"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/siw: Fix IPv6 addr_list locking
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Pull two ceph fixes from Ilya Dryomov:
"A fix for a -rc1 regression in rbd and a trivial static checker fix"
* tag 'ceph-for-5.3-rc7' of git://github.com/ceph/ceph-client:
rbd: restore zeroing past the overlap when reading from parent
libceph: don't call crypto_free_sync_skcipher() on a NULL tfm
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix init of SD cards reporting an invalid VDD range
MMC host:
- sprd: Fixes for clocks, card-detect, write-protect etc
- cadence: Fix ADMA 64-bit addressing
- tegra: Re-allow writing to SD card when GPIO pin is absent
- at91: Fix eMMC init by clearing HS200 cap as it's not supported"
* tag 'mmc-v5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-cadence: enable v4_mode to fix ADMA 64-bit addressing
mmc: sdhci-sprd: clear the UHS-I modes read from registers
mms: sdhci-sprd: add SDHCI_QUIRK_BROKEN_CARD_DETECTION
mmc: sdhci-sprd: add SDHCI_QUIRK2_PRESET_VALUE_BROKEN
mmc: sdhci-sprd: add get_ro hook function
mmc: sdhci-sprd: fixed incorrect clock divider
mmc: core: Fix init of SD cards reporting an invalid VDD range
mmc: sdhci-of-at91: add quirk for broken HS200
Revert "mmc: sdhci-tegra: drop ->get_ro() implementation"
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Pull drm fixes from Dave Airlie:
"Nothing too crazy, there's probably more patches than I'd like at this
stage, but they are all pretty self contained:
amdgpu:
- Fix GFXOFF regression for PCO and RV2
- Fix missing fence reference
- Fix VG20 power readings on certain SMU firmware versions
- Fix dpm level setup for VG20
- Add an ATPX laptop quirk
i915:
- Fix DP MST max BPC property creation after DRM register
- Fix unused ggtt deballooning and NULL dereference in guest
- Fix DSC eDP transcoder identification
- Fix WARN from DMA API debug by setting DMA max segment size
qxl:
- Make qxl reservel the vga ports using vgaargb to prevent switching to vga compatibility mode.
omap:
- Fix omap port lookup for SDI output
virtio:
- Use virtio_max_dma_size to fix an issue with swiotlb.
komeda:
- Compiler fixes to komeda.
- Add missing of_node_get() call in komeda.
- Reorder the komeda de-init functions"
* tag 'drm-fixes-2019-08-30' of git://anongit.freedesktop.org/drm/drm:
drm/komeda: Reordered the komeda's de-init functions
drm/amdgpu: fix GFXOFF on Picasso and Raven2
drm/amdgpu: Add APTX quirk for Dell Latitude 5495
drm/amd/powerplay: correct Vega20 dpm level related settings
drm/i915: Call dma_set_max_seg_size() in i915_driver_hw_probe()
drm/i915/dp: Fix DSC enable code to use cpu_transcoder instead of encoder->type
drm/i915: Don't deballoon unused ggtt drm_mm_node in linux guest
drm/i915: Do not create a new max_bpc prop for MST connectors
drm/powerplay: Fix Vega20 power reading again
drm/powerplay: Fix Vega20 Average Power value v4
drm/amdgpu: fix dma_fence_wait without reference
drm/komeda: Add missing of_node_get() call
drm/komeda: Clean warning 'komeda_component_add' might be a candidate for 'gnu_printf'
drm/komeda: Fix warning -Wunused-but-set-variable
drm/komeda: Fix error: not allocating enough data 1592 vs 1584
drm/virtio: use virtio_max_dma_size
drm/omap: Fix port lookup for SDI output
drm/qxl: get vga ioports
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This reverts commit 557529494d79f3f1fadd486dd18d2de0b19be4da.
Commit 557529494d79f ("iommu/vt-d: Avoid duplicated pci dma alias
consideration") aimed to address a NULL pointer deference issue
happened when a thunderbolt device driver returned unexpectedly.
Unfortunately, this change breaks a previous pci quirk added by
commit cc346a4714a59 ("PCI: Add function 1 DMA alias quirk for
Marvell devices"), as the result, devices like Marvell 88SE9128
SATA controller doesn't work anymore.
We will continue to try to find the real culprit mentioned in
557529494d79f, but for now we should revert it to fix current
breakage.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204627
Cc: Stijn Tintel <stijn@linux-ipv6.be>
Cc: Petr Vandrovec <petr@vandrovec.name>
Reported-by: Stijn Tintel <stijn@linux-ipv6.be>
Reported-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes
gpio fixes for v5.3-rc7
- two patches fixing a regression in the pca953x driver
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Quoting from mt8183 datasheet, the number of transfers to be
transferred in one transaction should be set to bigger than 1,
so we should forbid zero-length transfer and update functionality.
Reported-by: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
[wsa: shortened commit message a little]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The driver does not support the SMBUS Quick command so remove the
flag that indicates that level of support.
By default the i2c_detect tool uses the quick command to try and
detect devices at some bus addresses. If the quick command is used
then we will not detect the device, even though it is present.
Fixes: e6e5dd3566e0 (i2c: iproc: Add Broadcom iProc I2C Driver)
Signed-off-by: Lori Hikichi <lori.hikichi@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Update MAINTAINERS record to reflect the file move
from i2c-mv64xxx.txt to marvell,mv64xxx-i2c.yaml.
Fixes: f8bbde72ef44 ("dt-bindings: i2c: mv64xxx: Add YAML schemas")
Signed-off-by: Denis Efremov <efremov@linux.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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