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Increase max_speed of the mass_storage driver for UDCs that support
SuperSpeed Plus. The composite driver will pass this value to UDC core
to set the device speed on probe (actual speed may be different
depending on whether the USB controller supports it or other external
factors).
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Now that the MONOTONIC and BOOTTIME clocks are indentical, remove all the
special casing.
The user space visible interfaces still support both clocks, but their behavior
is identical.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kevin Easton <kevin@guarana.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/20180301165150.155899327@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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In pnv_php_unregister_one(), pnv_php_put_slot() might kfree
php_slot structure. But there is pci_hp_deregister() after
that with php_slot reference.
This patch moves pnv_php_put_slot() to the end of function.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Configure the P9 XSL_DSNCTL register with PHB indications found
in the device tree, or else use legacy hard-coded values.
Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Reviewed-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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PSL9D doesn't have a data-cache that needs to be flushed before
resetting the card. However when cxl tries to flush data-cache on such
a card, it times-out as PSL_Control register never indicates flush
operation complete due to missing data-cache. This is usually
indicated in the kernel logs with this message:
"WARNING: cache flush timed out"
To fix this the patch checks PSL_Debug register CDC-Field(BIT:27)
which indicates the absence of a data-cache and sets a flag
'no_data_cache' in 'struct cxl_native' to indicate this. When
cxl_data_cache_flush() is called it checks the flag and if set bails
out early without requesting a data-cache flush operation to the PSL.
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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For PSL9 the contents of PSL_TB_CTLSTAT register have changed in PSL9
and all of the register is now readonly. Hence we don't need an sl_ops
implementation for 'write_timebase_ctrl' for to populate this register
for PSL9.
Hence this patch removes function write_timebase_ctrl_psl9() and its
references from the code.
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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We enable the NORST bit by default for debug afu images to prevent
reset of AFU trace-data on a PCI link drop. For production AFU images
this bit is always ignored and PSL gets reconfigured anyways thereby
resetting the trace data. So setting this bit for non-debug images
doesn't have any impact.
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Reviewed-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Make the struct via_pmu_driver const to avoid following warning:
WARNING: vmlinux.o(.data+0x4739c): Section mismatch in reference from the variable via_pmu_driver to the function .init.text:pmu_init()
The variable via_pmu_driver references
the function __init pmu_init()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Suggested-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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In kernel 4.15, the modprobe step on my PowerBook G4 started complaining that
there was no module license for ans-lcd.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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In preparation to enabling -Wvla, remove VLAs and replace them with
fixed-length arrays instead.
scsi_dh_{alua,emc,rdac} use variable-length array declarations to store
command blocks, with the appropriate size as determined by
COMMAND_SIZE. This patch replaces these with fixed-sized arrays using
MAX_COMMAND_SIZE, so that the array size can be determined at compile
time.
This was prompted by https://lkml.org/lkml/2018/3/7/621
Signed-off-by: Stephen Kitt <steve@sk2.org>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In jazz_esp and sun3x_esp, the esp_driver_ops methods pass esp->dev in
dma api calls as if it was a pointer to a struct device. But it actually
points to a struct platform_device. Fix this.
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Export device table of v3 hw to userspace, or auto probe will fail for v3
hw.
Also change the module alias to include "pci", instead of "platform".
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Do some modifications for register configuring for hip08.
In future, to reduce kernel churn with patches to modify registers, any
registers which may change between board models (mostly PHY/SERDES related)
should be set in ACPI reset handler.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The patch does some code cleanup and fixes some small bugs:
- Correct return status of phy_up_v3_hw() and phy_bcast_v3_hw()
- Add static for function phy_get_max_linkrate_v3_hw()
- Change exception return status when no reset method
- Change magic value to ts->stat in slot_complete_vx_hw()
- Remove unnecessary check for dev_is_sata()
- Fix some issues of alignment and indents (Authored by Xiaofei Tan in
another patch, but added here to be practical)
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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It is an implicit regulation that error code that function returned should
be negative. But hisi_sas_task_prep() doesn't follow this. This may cause
problems in the upper layer code.
For example, in sas_expander.c of libsas, smp_execute_task_sg() may return
the number of bytes of underrun. It will be conflicted with the scenaio
lldd_execute_task() return an positive error code.
This patch change the return value from SAS_PHY_DOWN to -ECOMM in
hisi_sas_task_prep().
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The structure element hisi_sas_devices.running_req to count how many
commands are active is in effect only ever written in the code, so remove
it.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The current 110ms expiry time is not long enough for the internal abort
task.
The reason is that the internal abort task could be blocked in HW if the HW
is retrying to set up link. The internal abort task will be executed only
when the retry process finished.
The maximum time is 5s for the retry of setting up link. So, the timer
expire should be more than 5s. This patch increases it from 110ms to 6s.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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It is not right to set the register PROG_PHY_LINK_RATE while PHY is still
enabled. So if we want to change PHY linkrate, we need to disable PHY before
setting the register PROG_PHY_LINK_RATE, and then start-up PHY. This patch
is to fix this issue.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In sysfs, there are two files about minimum linkrate, and also two files for
maximum linkrate. Take maximum linkrate example, maximum_linkrate_hw is
read-only and indicated by the register HARD_PHY_LINKRATE, and
maximum_linkrate is read-write and corresponding to the register
PROG_PHY_LINK_RATE.
But in the function phy_up_v*_hw(), we get *_linkrate value from
HARD_PHY_LINKRATE. It is not right. This patch is to fix this issue.
Unreferenced PHY-interrupt enum is also removed for v3 hw.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The register SAS_PHY_CTRL is configured according to signal quality. The
signal quality is calculated by signal attenuation of hardware physical
link. It may be different for different PCB layout.
So, in order to give better support to new board, this patch add support to
reading the devicetree property, "hisilicon,signal-attenuation". Of course,
we still keep an default value in driver to adapt old board.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The SCSI PRE-FETCH (10 or 16) command is present both on hard disks
and some SSDs. It is useful when the address of the next block(s) to
be read is known but it is not following the LBA of the current READ
(so read-ahead won't help). It returns two "good" SCSI Status values.
If the requested blocks have fitted (or will most likely fit (when
the IMMED bit is set)) into the disk's cache, it returns CONDITION
MET. If it didn't (or will not) fit then it returns GOOD status.
The goal of this patch is to stop the SCSI subsystem treating the
CONDITION MET SCSI status as an error. The current state makes the
PRE-FETCH command effectively unusable via pass-throughs.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Updated Copyright in files updated as part of 12.0.0.1
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update the driver version to 12.0.0.1
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver fails to allocate command buffers in the routine
lpfc_new_scsi_buf_s4
There is an inconsistency between lpfc_mem_alloc(), where the
phba->lpfc_sg_dma_buf_pool is created, and lpfc_new_scsi_buf_s4(),
when we allocate a buffer from the pool and check the alignment. The
alignment should be on a page boundary, based on LPFC_SLI3_BG_ENABLED in
sli3_options, for both cases.
Fix by explicitly tracking sli4 vs sli3 and BG options. The result is that
phba->cfg_sg_dma_buf_size is now set correctly for SLI-4.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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POST_SGL_PAGES mailbox command failed with status (timeout).
wait_event_interruptible_timeout when called from mailbox wait interface,
gets interrupted, and will randomly fail. Behavior seems very specific to 1
particular server type.
Fix by changing from wait_event_interruptible_timeout to
wait_for_completion_timeout.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When a port is configured for NVME and SCSI Initiator support and it probes
a target supporting both SCSI and NVME, NVME devices are discovered, but
SCSI devices are not.
The nlp_fc4_type for all NPorts should be cleared on Link Up or just before
GID_FTs get issued, as opposed to just during GID_FT cmpl. RSCN activity as
well as Link Up can trigger GID_FT. One GID_FT may complete before the next
one is issued.
Fix by clearng nlp_fc4_type on link up and just before both GID_FTs are
issued. During port swapping, copy nlp_fc4_type to the new ndlp
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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To reduce latency when initializing WQE content, created templates for the
most common wqes. This reduces the number of operations taken to set the
content. It's not a lot of speed up, but every bit helps.
This patch updates the NVME target path.
[mkp: fixed typo]
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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To reduce latency when initializing WQE content, create templates for the
most common wqes. This reduces the number of operations taken to set the
content. It's not a lot of speed up, but every bit helps.
This patch updates the NVME initiator path.
[mkp: fixed typo]
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver is very sloppy about the WQE structure passed between routines.
The base struct type is a 64byte wqe. But in many routines they typecast and
access 128byte wqes. There were a couple of cases in the past (corrected
already) where the typecasts were incorrectly done and the 64byte buffer was
accessed as a 128 byte buffer.
Clean this up by properly declaring wqe's as 128byte wqe's and removing the
typecasts. 64byte wqes are considered a subset of the 128byte wqes.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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First Burst support was not properly indicated in NVMe PRLI.
Correct the bit position and the logic to check and set first burst support.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit 6e8e1c14c61e ("scsi: lpfc: Add WQ Full Logic for NVME Target") fails
the static checker. Checker correctly identified a missing unlock on a
return path.
Add the unlock.
Fixes: 6e8e1c14c61e ("scsi: lpfc: Add WQ Full Logic for NVME Target")
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use dma_pool_zalloc() instead of dma_pool_alloc + memset
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit 7d64c39e64310 fixed regression of FCP discovery when Nport Handle
is in-use and relogin is triggered. However, during FCP and FC-NVMe
discovery this resulted into only discovering NVMe LUNs.
This patch fixes issue where FCP and FC-NVMe protocol is used on same
port where assigning FC_NO_LOOP_ID will result into discovery failure
for FCP LUNs.
Fixes: a084fd68e1d26 ("scsi: qla2xxx: Fix re-login for Nport Handle in use")
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When ata device doing EH, some commands still attached with tasks are
not passed to libata when abort failed or recover failed, so libata did
not handle these commands. After these commands done, sas task is freed,
but ata qc is not freed. This will cause ata qc leak and trigger a
warning like below:
WARNING: CPU: 0 PID: 28512 at drivers/ata/libata-eh.c:4037
ata_eh_finish+0xb4/0xcc
CPU: 0 PID: 28512 Comm: kworker/u32:2 Tainted: G W OE 4.14.0#1
......
Call trace:
[<ffff0000088b7bd0>] ata_eh_finish+0xb4/0xcc
[<ffff0000088b8420>] ata_do_eh+0xc4/0xd8
[<ffff0000088b8478>] ata_std_error_handler+0x44/0x8c
[<ffff0000088b8068>] ata_scsi_port_error_handler+0x480/0x694
[<ffff000008875fc4>] async_sas_ata_eh+0x4c/0x80
[<ffff0000080f6be8>] async_run_entry_fn+0x4c/0x170
[<ffff0000080ebd70>] process_one_work+0x144/0x390
[<ffff0000080ec100>] worker_thread+0x144/0x418
[<ffff0000080f2c98>] kthread+0x10c/0x138
[<ffff0000080855dc>] ret_from_fork+0x10/0x18
If ata qc leaked too many, ata tag allocation will fail and io blocked
for ever.
As suggested by Dan Williams, defer ata device commands to libata and
merge sas_eh_finish_cmd() with sas_eh_defer_cmd(). libata will handle
ata qcs correctly after this.
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: Xiaofei Tan <tanxiaofei@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Currently the link state is initialized to "up" when the phy_device is
being created. This is not consistent with the phy state being
initialized to PHY_DOWN.
Usually this doen't do any harm because the link state is updated
once the PHY reaches state PHY_AN. However e.g. if a LAN port isn't
used and the PHY remains down this inconsistency remains and calls
to functions like phy_print_status() give false results.
Therefore change the initialization to link being down.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of error, the function dev_get_regmap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Fixes: 81ac38847a1d ("clk: qcom: Add APCS clock controller support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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hi3660_stub_clk_probe()
platform_get_resource() may return NULL, add proper check to
avoid potential NULL dereferencing.
This is detected by Coccinelle semantic patch.
@@
expression pdev, res, n, t, e, e1, e2;
@@
res = platform_get_resource(pdev, t, n);
+ if (!res)
+ return -EINVAL;
... when != res == NULL
e = devm_ioremap(e1, res->start, e2);
Fixes: 4f16f7ff3bc0 ("clk: hisilicon: Add support for Hi3660 stub clocks")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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* 'clk-helpers' (early part):
clk: fix determine rate error with pass-through clock
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If we try to determine the rate of a pass-through clock (a clock which
does not implement .round_rate() nor .determine_rate()),
clk_core_round_rate_nolock() will directly forward the call to the
parent clock. In the particular case where the pass-through actually
does not have a parent, clk_core_round_rate_nolock() will directly
return 0 with the requested rate still set to the initial request
structure. This is interpreted as if the rate could be exactly achieved
while it actually cannot be adjusted.
This become a real problem when this particular pass-through clock is
the parent of a mux with the flag CLK_SET_RATE_PARENT set. The
pass-through clock will always report an exact match, get picked and
finally error when the rate is actually getting set.
This is fixed by setting the rate inside the req to 0 when core is NULL
in clk_core_round_rate_nolock() (same as in __clk_determine_rate() when
hw is NULL)
Fixes: 0f6cc2b8e94d ("clk: rework calls to round and determine rate callbacks")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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* clk-phase:
clk: update cached phase to respect the fact when setting phase
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clk-fixes
Pull TI SoC clock fixes for 4.16 from Tero Kristo:
* tag 'ti-clk-fixes-4.16' of https://github.com/t-kristo/linux-pm:
clk: ti: am43xx: add set-rate-parent support for display clkctrl clock
clk: ti: am33xx: add set-rate-parent support for display clkctrl clock
clk: ti: clkctrl: add support for CLK_SET_RATE_PARENT flag
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-fixes
Pull i.MX clock fixes for 4.16 from Shawn Guo:
- Update i.MX5 clock driver to register UART4/5 clock only on i.MX50
and i.MX53. It fixes a kernel warning seen on i.MX53, caused by
commit 59dc3d8c8673 ("clk: imx51: uart4, uart5 gates only exist on
imx50, imx53").
* tag 'clk-imx-fixes-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
clk: imx51-imx53: Fix UART4/5 registration on i.MX50 and i.MX53
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
Pull Allwinner clock fixes for 4.16 from Chen-Yu Tsai:
A critical fix for the A31 sunxi-ng clock driver. The CLK_OUT clocks
had definitions paired with the incorrect type of clk ops. This results
in a serious oops starting with commit 946797aa3f08 ("clk: sunxi-ng:
Support fixed post-dividers on MP style clocks"), which exposed the
incorrect clk ops when it added a new field to the data structures,
which then nudged the underlying (compatible but incorrect) data
structures out of alignment.
* tag 'sunxi-clk-fixes-for-4.16' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: a31: Fix CLK_OUT_* clock ops
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
10GbE Intel Wired LAN Driver Updates 2018-03-12
This series contains updates to ixgbe and ixgbevf only.
Shannon Nelson provides three fixes to the ipsec portion of ixgbe. Make
sure we are using 128-bit authentication, since it is the only size
supported for hardware offload. Fixed the transmit trailer length
calculation for ipsec by finding the padding value and adding it to the
authentication length, then save it off so that we can put it in the
transmit descriptor to tell the device where to stop the checksum
calculation. Lastly, cleaned up useless and dead code.
Tonghao Zhang adds a ethtool stat for receive length errors, since the
driver was already collecting this counter.
Arnd Bergmann fixed a warning about an used variable by "rephrasing" the
code so that the compiler can see the use of the variable in question.
Paul fixes an issue where "HIDE_VLAN" was being cleared on VF reset, so
ensure to set "HIDE_VLAN" when port VLAN is enabled after a VF reset.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Put an empty line between the variable declarations and the code, and
use tabs for alignment.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180305144919.2881-3-ville.syrjala@linux.intel.com
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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If port VLAN is enabled, set PFQDE.HIDE_VLAN during VF reset.
Setting only PFQDE.PFQDE during VF reset was clearing PFQDE.HIDE_VLAN.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2018-03-12
This series contains fixes to e1000e only.
Benjamin Poirier provides two fixes, first reverts commits that changed
what happens to the link status when there is an error. These commits
were to resolve a race condition, but in the process of fixing the race
condition, they changed the behavior when an error occurred. Second fix
resolves a race condition by not setting "get_link_status" to false
after checking the link.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alex reported the following race condition:
/* link goes up... interrupt... schedule watchdog */
\ e1000_watchdog_task
\ e1000e_has_link
\ hw->mac.ops.check_for_link() === e1000e_check_for_copper_link
\ e1000e_phy_has_link_generic(..., &link)
link = true
/* link goes down... interrupt */
\ e1000_msix_other
hw->mac.get_link_status = true
/* link is up */
mac->get_link_status = false
link_active = true
/* link_active is true, wrongly, and stays so because
* get_link_status is false */
Avoid this problem by making sure that we don't set get_link_status = false
after having checked the link.
It seems this problem has been present since the introduction of e1000e.
Link: https://lkml.org/lkml/2018/1/29/338
Reported-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This reverts commit 19110cfbb34d4af0cdfe14cd243f3b09dc95b013.
This reverts commit 4110e02eb45ea447ec6f5459c9934de0a273fb91.
This reverts commit d3604515c9eda464a92e8e67aae82dfe07fe3c98.
Commit 19110cfbb34d ("e1000e: Separate signaling for link check/link up")
changed what happens to the link status when there is an error which
happens after "get_link_status = false" in the copper check_for_link
callbacks. Previously, such an error would be ignored and the link
considered up. After that commit, any error implies that the link is down.
Revert commit 19110cfbb34d ("e1000e: Separate signaling for link check/link
up") and its followups. After reverting, the race condition described in
the log of commit 19110cfbb34d is reintroduced. It may still be triggered
by LSC events but this should keep the link down in case the link is
electrically unstable, as discussed. The race may no longer be
triggered by RXO events because commit 4aea7a5c5e94 ("e1000e: Avoid
receiver overrun interrupt bursts") restored reading icr in the Other
handler.
Link: https://lkml.org/lkml/2018/3/1/789
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The boost frequency is only applied from the RPS worker while someone is
waiting on a request and requested a boost. As such, when the user
wishes to change the frequency, we have to kick the worker in order to
re-evaluate whether to apply the boost frequency.
v2: Check num_waiters to decide if we should kick the worker to handle
boosting.
Fixes: 29ecd78d3b79 ("drm/i915: Define a separate variable and control for RPS waitboost frequency")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180308142648.4016-1-chris@chris-wilson.co.uk
(cherry picked from commit 59cd31f177b34deb834a5c97478502741be1cf2e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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