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When building with -Wsometimes-uninitialized, Clang warns:
drivers/scsi/ufs/ufs-mediatek.c:112:7: warning: variable 'ret' is used
uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
if (on)
^~
drivers/scsi/ufs/ufs-mediatek.c:120:9: note: uninitialized use occurs
here
return ret;
^~~
drivers/scsi/ufs/ufs-mediatek.c:112:3: note: remove the 'if' if its
condition is always true
if (on)
^~~~~~~
drivers/scsi/ufs/ufs-mediatek.c:108:7: warning: variable 'ret' is used
uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
if (!on)
^~~
drivers/scsi/ufs/ufs-mediatek.c:120:9: note: uninitialized use occurs
here
return ret;
^~~
drivers/scsi/ufs/ufs-mediatek.c:108:3: note: remove the 'if' if its
condition is always true
if (!on)
^~~~~~~~
drivers/scsi/ufs/ufs-mediatek.c:96:9: note: initialize the variable
'ret' to silence this warning
int ret;
^
= 0
2 warnings generated.
Remove the default case and initialize ret to -EINVAL to properly fix
this warning.
Fixes: ddd90623ce26 ("scsi: ufs-mediatek: Add UFS support for Mediatek SoC chips")
Link: https://github.com/ClangBuiltLinux/linux/issues/426
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix sparse warnings:
drivers/scsi/ufs/ufs-mediatek.c:19:6: warning: symbol 'ufs_mtk_cfg_unipro_cg' was not declared. Should it be static?
drivers/scsi/ufs/ufs-mediatek.c:55:5: warning: symbol 'ufs_mtk_bind_mphy' was not declared. Should it be static?
drivers/scsi/ufs/ufs-mediatek.c:342:27: warning: symbol 'ufs_mtk_of_match' was not declared. Should it be static?
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Declaring interrupt clear routines as inline is bogus as they are used as
an indirect pointer.
Remove the inline references.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
You can't declare a function inline in a header if it doesn't have a body
available to the compiler. So realistically you either don't declare it
inline or you make it a static inline in the header. I think the latter
applies in this case, so this should be the fix
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We found out that for v2 hw, a SATA disk can not be written to after the
system comes up.
In commit ffb1c820b8b6 ("scsi: hisi_sas: remove the check of sas_dev status
in hisi_sas_I_T_nexus_reset()"), we introduced a path where we may issue an
internal abort for a SATA device, but without following it with a
softreset.
We need to always follow an internal abort with a software reset, as per HW
programming flow, so add this.
Fixes: ffb1c820b8b6 ("scsi: hisi_sas: remove the check of sas_dev status in hisi_sas_I_T_nexus_reset()")
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix following sparse warning:
drivers/scsi/mvumi.c:1797:48: warning: Using plain integer as NULL pointer
drivers/scsi/mvumi.c:2143:50: warning: Using plain integer as NULL pointer
drivers/scsi/mvumi.c:755:58: warning: Using plain integer as NULL pointer
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/scsi/qedi/qedi_fw.c: In function 'qedi_tmf_resp_work':
drivers/scsi/qedi/qedi_fw.c:158:28: warning:
variable 'cls_sess' set but not used [-Wunused-but-set-variable]
drivers/scsi/qedi/qedi_fw.c: In function 'qedi_tmf_work':
drivers/scsi/qedi/qedi_fw.c:1370:28: warning:
variable 'cls_sess' set but not used [-Wunused-but-set-variable]
It's never used since introduction.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixed a typo for 'iiDMA' cmd in qla_bsg.c.
Signed-off-by: Milan P. Gandhi <mgandhi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixed a minor formatting issue with comment section in qla_bsg.c
Signed-off-by: Milan P. Gandhi <mgandhi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There are a few statements that are not indented correctly, so fix
these. Also add empty line between variable declaration and first
statements in functions. Also remove whitespace between * and mvi_dev to
clean up a cppcheck warning.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
An if statement is indented correctly and an outb statement has a redundant
empty comment and incorrect indentation. Fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There are several lines where the indentation has an extra space, fix this
by removing the spaces.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Clean up { brace to fix cppcheck warning. Remove some trailing spaces at
end of a statement. Also clean up an indentation issue.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds UFS support for MediaTek SoC chips.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ufshcd_get_pwr_dev_param function and ufs_dev_params struct have been
relocated to ufs core. Switch ufs-hisi to the common interface.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ufshcd_get_pwr_dev_param function and ufs_dev_params struct have been
relocated to ufs core. Switch ufs-qcom to the common interface.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ufshcd_get_pwr_dev_param defines an interface for power mode management
currently used by both ufs-qcom and ufs-hisi. Move the interface to ufs
core so every driver can take advantage of it.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use HCTX_TYPE_DEFAULT instead of 0 to avoid hardcoding.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use HCTX_TYPE_DEFAULT instead of 0 to avoid hardcoding.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use HCTX_TYPE_DEFAULT instead of 0 to avoid hardcoding.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use HCTX_TYPE_DEFAULT instead of 0 to avoid hardcoding.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
devm_reset_control_get could fail, so the fix checks its return value and
passes the error code upstream in case it fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 7f147f9bfd44 ("scsi: qla2xxx: Fix N2N target discovery with Local
loop") fixed N2N target discovery for local loop. However, same code is
used for FC-AL discovery as well. Added check to make sure we are bypassing
area and domain check only in N2N topology for target discovery.
Fixes: 7f147f9bfd44 ("scsi: qla2xxx: Fix N2N target discovery with Local loop")
Cc: stable@vger.kernel.org # 5.0+
Signed-off-by: Quinn Tran <qtran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There are several lines of code where the indentation is at an incorrect
level; fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Since scsi_device_quiesce() skips SCSI devices that have another state than
RUNNING, OFFLINE or TRANSPORT_OFFLINE, scsi_device_resume() should not
complain about SCSI devices that have been skipped. Hence this patch. This
patch avoids that the following warning appears during resume:
WARNING: CPU: 3 PID: 1039 at blk_clear_pm_only+0x2a/0x30
CPU: 3 PID: 1039 Comm: kworker/u8:49 Not tainted 5.0.0+ #1
Hardware name: LENOVO 4180F42/4180F42, BIOS 83ET75WW (1.45 ) 05/10/2013
Workqueue: events_unbound async_run_entry_fn
RIP: 0010:blk_clear_pm_only+0x2a/0x30
Call Trace:
? scsi_device_resume+0x28/0x50
? scsi_dev_type_resume+0x2b/0x80
? async_run_entry_fn+0x2c/0xd0
? process_one_work+0x1f0/0x3f0
? worker_thread+0x28/0x3c0
? process_one_work+0x3f0/0x3f0
? kthread+0x10c/0x130
? __kthread_create_on_node+0x150/0x150
? ret_from_fork+0x1f/0x30
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Martin Steigerwald <martin@lichtvoll.de>
Cc: <stable@vger.kernel.org>
Reported-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Tested-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Fixes: 3a0a529971ec ("block, scsi: Make SCSI quiesce and resume work reliably") # v4.15
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Adjust comments accordingly.
Cc: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
cmd->rcu is initialized by scsi_initialize_rq(). For passthrough
requests, blk_get_request() calls scsi_initialize_rq(). For filesystem
requests, scsi_init_command() calls scsi_initialize_rq(). Make sure
that destroy_rcu_head() is called for passthrough requests.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Ewan D. Milne <emilne@redhat.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Reported-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This function is only used inside the SCSI midlayer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update lpfc version to 12.2.0.0
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Revise driver copyright message to show 2019. Update couple of files
modified by 12.2.0.1 patch set.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update the 6072 log message string to print the whole 32 bits of the
extended status.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver had duplicated log message numbers making debug difficult.
Make all messages unique.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Change the SLI4 queue creation code to use NUMA node based memory
allocation based on the cpu the queues will be related to.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently the driver maintains a sideband structure which has a pointer for
each queue element. However, at 8 bytes per pointer, and up to 4k elements
per queue, and 100s of queues, this can take up a lot of memory.
Convert the driver to using an access routine that calculates the element
address based on its index rather than using the pointer table.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When in trunking mode, the adapter can be placed into diagnostic mode and
each link in the trunk tested via loopback.
Add support to the driver to perform per-link loopback testing when in
trunking mode.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver is using uint16_t and is encountering an overflow of the 16bits when
calculating link speed.
Fix by using a u32 type.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If all the trunk links drop and a single link resumes, the link_state is
not properly reported. When trunked, the driver receives two async
cqes. One acqe reports the trunk link states, which the driver records.
The other cqe reports the overall state of the trunk. In the failing case,
the trunk link state acqe preceeds the overall trunk link state acqe. The
trunk link state acqe, as it's an "up" transition, calls a code path which
ensures a down transition before moving to the up state. The down
transition had a side effect of clearing the just-saved trunk link states.
Fix by not clearing the trunk link states if we've already transitioned
to a down state.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Invalid test is allowing Loop to be a supported topology on G6 and G7
adapters. The chips do not support loop as their link speeds prohibit loop
per standard.
Correct the conditional so that loop is not reported.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver is currently reporting the firmware revision not the actual boot
bios version in FDMI data.
Modify the driver to obtain the boot bios version from the adapter and use
that data in the FMDI data sent to the switch.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The switch is rejecting FDMI2 registration for symbolic name. There is a
"\n" in the name string, which the switch dislikes thus rejects the
registration.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver is reporting support for NVME even when not configured for NVME
operation.
Fix (and make more readable) when NVME protocol support is indicated.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The FDMI manufacturer value being reported on Linux is inconsistent with
other OS's.
Set the value to "Emulex Corporation" for consistency.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If the driver undergoes repeated host resets it starts losing exchange
structures and eventually returns SCSI_MLQUEUE_HOST_BUSY and does not
recover. The offline path is not reclaiming the outstanding ios on the fcp
pring txcmplq before calling lpfc_destroy_multixripool, which causes the
txmcplq to be reinit and the resources lost.
Flush the fcp rings before destroying the multixripools.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The adapter initialization sequence enables interrupts, initializes the
adapter link_state to LINK_DOWN, then issues commands to initialize the
adapter. The interrupt handler on the adapter validates the link_state (has
to be at least LINK_DOWN) and if invalid, will discard the interrupting
event.
In most cases, there is not a command completion, thus an interrupt until
the initialization commands have been sent which is post the setting of
state to LINK_DOWN. However, in cases of firmware reset, the reset will
modify the link_state to an invalid value (indicating a reset of the
adapter) and there occasionally are cases where the adapter will generate
an asynchronous event which shares the eq/cq used for mailbox commands. In
the failure case, an interrupt is generated immediately after enabling them
due to the async event. As link_state is invalid, the eq is list and the
CQ not serviced. At this point link_state is initialized and the mailbox
command sent. As the CQ has not been serviced, it is not armed, so no
interrupt event is generated when the mailbox command completes.
Modify the initialization sequence so that interrupts are enabled after
link_state is properly initialized, which avoids the race condition with
the async event.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
It's possible for the scsi error handler to fire and call the target reset
handler simultaneously to the driver logging out and relogging into the
system. If hit just right, the re-login may not have fully re-established
the remote port and the rdata->pnod structure may be null.
Check for NULL in the reset handler and return failure if NULL.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Current code incorrectly specifies a completion wait timeout duration in 5
jiffies, when it should have been 5 seconds.
Fix the adjust for units for the completion timeout call.
[mkp: manual merge]
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Current code is using msleep when polling for hw ready. Unfortunately the
msleep routine isn't very accurate on rescheduling. In fact, on a busy
systems which reset the adapter, it became 10s of seconds before it was
rescheduled.
Fix by busy waiting using udelay. As we're now busy waiting, significantly
reduce the wait time so that we can exit the pool loop as soon as possible.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
