- 26 Apr, 2022 40 commits
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ran jianping authored
All work currently pending will be done first by calling destroy_workqueue(). There is no need to flush it explicitly. Link: https://lore.kernel.org/r/20220424065406.3228528-1-ran.jianping@zte.com.cnReported-by:
Zeal Robot <zealci@zte.com.cn> Signed-off-by:
ran jianping <ran.jianping@zte.com.cn> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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ran jianping authored
All work currently pending will be done first by calling destroy_workqueue(). There is no need to flush it explicitly. Link: https://lore.kernel.org/r/20220424062413.3220315-1-ran.jianping@zte.com.cnReported-by:
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ran jianping authored
All work currently pending will be done first by calling destroy_workqueue(). There is no need to flush it explicitly. Link: https://lore.kernel.org/r/20220424061845.3218774-1-ran.jianping@zte.com.cnReported-by:
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Haowen Bai authored
Buffer 'msg' is memset() but never actually used. Drop it. Link: https://lore.kernel.org/r/1650536693-13089-1-git-send-email-baihaowen@meizu.comSigned-off-by:
Haowen Bai <baihaowen@meizu.com> Signed-off-by:
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Haowen Bai authored
The region set by the call to memset() is immediately overwritten by the subsequent call to memcpy(). Drop redundant memset(). Link: https://lore.kernel.org/r/1650533091-28815-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Haowen Bai authored
Fixes coccinelle warning: ./drivers/scsi/ipr.c:10095:13-15: Unneeded variable: "rc". Return "IRQ_HANDLED" on line 10104 Link: https://lore.kernel.org/r/1648433103-24308-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Wan Jiabing authored
io->sgl is allocated by kzalloc(). The memory is set to zero. It is unnecessary to call memset again. Link: https://lore.kernel.org/r/20220318145230.1031-1-wanjiabing@vivo.comSigned-off-by:
Wan Jiabing <wanjiabing@vivo.com> Signed-off-by:
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Alexander Vorwerk authored
The following warning showed up when compiling with W=1. drivers/message/fusion/mptctl.c: In function ‘mptctl_hp_hostinfo’: drivers/message/fusion/mptctl.c:2337:8: warning: variable ‘retval’ set but not used [-Wunused-but-set-variable] int retval; Fixing by removing the variable. Link: https://lore.kernel.org/r/20220317030325.30526-1-alexander.vorwerk@stud.uni-goettingen.deSigned-off-by:
Alexander Vorwerk <alexander.vorwerk@stud.uni-goettingen.de> Signed-off-by:
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Haowen Bai authored
Fixes coccicheck warning: drivers/scsi/aha1542.c:553:2-3: Unneeded semicolon drivers/scsi/aha1542.c:582:2-3: Unneeded semicolon drivers/scsi/aha1542.c:605:2-3: Unneeded semicolon drivers/scsi/aha1542.c:306:2-3: Unneeded semicolon drivers/scsi/aha1542.c:348:3-4: Unneeded semicolon drivers/scsi/aha1542.c:412:2-3: Unneeded semicolon drivers/scsi/aha1542.c:640:2-3: Unneeded semicolon drivers/scsi/aha1542.c:658:2-3: Unneeded semicolon drivers/scsi/aha1542.c:677:2-3: Unneeded semicolon drivers/scsi/aha1542.c:538:2-3: Unneeded semicolon Link: https://lore.kernel.org/r/1647309865-15620-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Haowen Bai authored
Fix the following warning reported by coccicheck: drivers/scsi/bfa/bfad_debugfs.c:375:2-7: WARNING: NULL check before some freeing functions is not needed. Link: https://lore.kernel.org/r/1647309434-13936-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Haowen Bai authored
Fix the following warning reported by coccicheck: drivers/scsi/fnic/fnic_debugfs.c:90:2-7: WARNING: NULL check before some freeing functions is not needed. Link: https://lore.kernel.org/r/1647309219-12772-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Haowen Bai authored
Fix the following coccicheck warning: drivers/scsi/mac53c94.c:237:12-13: WARNING comparing pointer to 0 Link: https://lore.kernel.org/r/1647244711-31575-1-git-send-email-baihaowen@meizu.comSigned-off-by:
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Borislav Petkov authored
Fix: drivers/scsi/aacraid/commsup.c: In function ‘aac_handle_sa_aif’: drivers/scsi/aacraid/commsup.c:1983:2: error: case label does not reduce to an integer constant case SA_AIF_BPCFG_CHANGE: ^~~~ See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory details as to why it triggers with older gccs only. Link: https://lore.kernel.org/r/20220405151517.29753-2-bp@alien8.de Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Reviewed-by:Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Borislav Petkov <bp@suse.de> Signed-off-by:
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Damien Le Moal authored
Add the 'zone_cap_mb' kernel module parameter. This parameter defines the zone capacity. The zone capacity must be less than or equal to the zone size. Report that sequential write zones and gap zones are paired in the Zoned Block Device Characteristics VPD page (page B6h). This patch has been tested as follows: modprobe scsi_debug delay=0 sector_size=512 dev_size_mb=128 zbc=host-managed zone_nr_conv=16 zone_size_mb=4 zone_cap_mb=3 modprobe brd rd_nr=1 rd_size=$((1<<20)) mkfs.f2fs -m /dev/ram0 -c /dev/${scsi_debug_dev} mount /dev/ram0 /mnt # Run a fio job that uses /mnt Link: https://lore.kernel.org/r/20220421183023.3462291-10-bvanassche@acm.org Cc: Douglas Gilbert <dgilbert@interlog.com> Acked-by:Douglas Gilbert <dgilbert@interlog.com> Signed-off-by:
Damien Le Moal <damien.lemoal@opensource.wdc.com> [ bvanassche: Switched to reporting a constant zone starting LBA granularity ] Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
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Damien Le Moal authored
Rename the scsi_debug zone type constants to prevent a conflict with the ZBC_ZONE_TYPE_GAP constant from include/scsi/scsi_proto.h. Link: https://lore.kernel.org/r/20220421183023.3462291-9-bvanassche@acm.org Cc: Douglas Gilbert <dgilbert@interlog.com> Acked-by:
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Bart Van Assche authored
Change a single occurrence of "nad" into "and". Link: https://lore.kernel.org/r/20220421183023.3462291-8-bvanassche@acm.org Cc: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by:
Himanshu Madhani <himanshu.madhani@oracle.com> Acked-by:
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Damien Le Moal authored
ZBC-2 allows host-managed disks to report gap zones. This allow zoned disks to report an offset between data zone starts that is a power of two even if the number of logical blocks with data per zone is not a power of two. Another new feature in ZBC-2 is support for constant zone starting LBA offsets. For zoned disks that report a constant zone starting LBA offset, hide the gap zones from the block layer. Report the offset between data zone starts as zone size and report the number of logical blocks with data per zone as the zone capacity. Link: https://lore.kernel.org/r/20220421183023.3462291-7-bvanassche@acm.orgAcked-by:
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Damien Le Moal authored
Return early in sd_zbc_check_zoned_characteristics() for host-aware disks. This patch does not change any functionality but makes a later patch easier to read. Link: https://lore.kernel.org/r/20220421183023.3462291-6-bvanassche@acm.orgReviewed-by:
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Bart Van Assche authored
Deriving the meaning of the nr_zones, rev_nr_zones, zone_blocks and rev_zone_blocks member variables requires careful analysis of the source code. Make the meaning of these member variables easier to understand by introducing struct zoned_disk_info. Link: https://lore.kernel.org/r/20220421183023.3462291-5-bvanassche@acm.orgReviewed-by:
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Damien Le Moal authored
When querying zones, track the position in logical blocks instead of in sectors. This change slightly simplifies sd_zbc_report_zones(). Link: https://lore.kernel.org/r/20220421183023.3462291-4-bvanassche@acm.orgReviewed-by:
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Bart Van Assche authored
The following check in sd_zbc_cmnd_checks() can only work correctly if the zone size is a power of two: if (sector & (sd_zbc_zone_sectors(sdkp) - 1)) /* Unaligned request */ return BLK_STS_IOERR; Hence this patch that verifies that the zone size is a power of two. Link: https://lore.kernel.org/r/20220421183023.3462291-3-bvanassche@acm.orgReviewed-by:
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Bart Van Assche authored
Add several kernel-doc headers. Declare input arrays const. Specify the array size in function declarations. Link: https://lore.kernel.org/r/20220421183023.3462291-2-bvanassche@acm.orgReviewed-by:
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Bart Van Assche authored
Move the definition of this function from a public into a private header file since it is only used inside the UFS core. Link: https://lore.kernel.org/r/20220419225811.4127248-29-bvanassche@acm.orgTested-by:
Bean Huo <beanhuo@micron.com> Reviewed-by:
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Bart Van Assche authored
Move the definition of this data structure since it is only used in a single source file. Link: https://lore.kernel.org/r/20220419225811.4127248-28-bvanassche@acm.orgTested-by:
Avri Altman <avri.altman@wdc.com> Reviewed-by:
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Bart Van Assche authored
Split the ufshcd.h header file into a header file that defines the interface used by UFS drivers and another header file with declarations and data structures only used by the UFS core. Link: https://lore.kernel.org/r/20220419225811.4127248-27-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Follow the convention that is used elsewhere in the Linux kernel source code and only include those headers of which the declarations are used directly. Link: https://lore.kernel.org/r/20220419225811.4127248-26-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
This patch fixes all the warnings and errors reported by the following command: scripts/kernel-doc -none drivers/scsi/ufs/ufshcd.h Link: https://lore.kernel.org/r/20220419225811.4127248-25-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
ufshcd-crypto.h declares functions that must only be called by the UFS core. Hence remove the #include "ufshcd-crypto.h" directive from UFS drivers. Link: https://lore.kernel.org/r/20220419225811.4127248-24-bvanassche@acm.orgTested-by:
Eric Biggers <ebiggers@google.com> Reviewed-by:
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Bart Van Assche authored
Clearing hba->is_sys_suspended if ufs_qcom_resume() succeeds is wrong. That variable must only be cleared if all actions involved in a resume succeed. Hence remove the statement that clears hba->is_sys_suspended from ufs_qcom_resume(). Link: https://lore.kernel.org/r/20220419225811.4127248-23-bvanassche@acm.org Fixes: 81c0fc51 ("ufs-qcom: add support for Qualcomm Technologies Inc platforms") Tested-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by:
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Bart Van Assche authored
Since the code to modify delay_ms while holding the host lock occurs twice, introduce a function that performs this action. Link: https://lore.kernel.org/r/20220419225811.4127248-22-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Single register writes are atomic and hence do not need to be surrounded by locking. Additionally, MMIO writes are typically posted asynchronously. Hence, there is no guarantee that these have finished by the time the spin_unlock*() call has finished. See also the nonposted-mmio property of the Open Firmware tree. See also pci_iomap(). Link: https://lore.kernel.org/r/20220419225811.4127248-21-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
In the Linux kernel coding style document (Documentation/process/coding-style.rst) it is recommended to use the type 'bool' and also the values 'true' and 'false'. Hence this patch that removes the definitions and uses of TRUE and FALSE from the UFS driver. Link: https://lore.kernel.org/r/20220419225811.4127248-20-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Since specifying the path in a source file is redundant, remove the paths from source code comments. Link: https://lore.kernel.org/r/20220419225811.4127248-19-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
As requested in Documentation/process/license-rules.rst, use an SPDX license identifier. Link: https://lore.kernel.org/r/20220419225811.4127248-18-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
The new name reflects the role of this member variable better: a WLUN through which the power mode of the UFS device is controlled. Link: https://lore.kernel.org/r/20220419225811.4127248-17-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
The current version number is 0.2. That driver version was assigned more than nine years ago. A version number that is not updated while the driver is updated is not useful. Hence remove the driver version number from the UFS driver. See also commit e0eca63e ("[SCSI] ufs: Separate PCI code into glue driver"). Link: https://lore.kernel.org/r/20220419225811.4127248-16-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Pass the actual type to config_scaling_param callback as the third argment instead of a void pointer. Remove a superfluous NULL pointer check from ufs_qcom_config_scaling_param(). Link: https://lore.kernel.org/r/20220419225811.4127248-15-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Make it easier to verify for humans that ufshcd_init_pwr_dev_param() initializes all structure members. This patch does not change any functionality. Link: https://lore.kernel.org/r/20220419225811.4127248-14-bvanassche@acm.orgTested-by:
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Bart Van Assche authored
Commit 5b44a07b ("scsi: ufs: Remove pre-defined initial voltage values of device power") removed the code that uses the UFS_VREG_VCC* constants and also the code that sets the min_uV and max_uV member variables. Hence also remove these constants and that member variable. Link: https://lore.kernel.org/r/20220419225811.4127248-13-bvanassche@acm.orgTested-by:
Stanley Chu <stanley.chu@mediatek.com> Reviewed-by:
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Bart Van Assche authored
It is confusing that ufshcd_is_hba_active() returns 'true' if the HBA is not active. Clear up this confusion by inverting the return value of ufshcd_is_hba_active(). This patch does not change any functionality. Link: https://lore.kernel.org/r/20220419225811.4127248-12-bvanassche@acm.orgTested-by:
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