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2022-10-07Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-25/+21
Pull SCSI updates from James Bottomley: "Updates to the usual drivers (qla2xxx, lpfc, ufs, hisi_sas, mpi3mr, mpt3sas, target). The biggest change (from my biased viewpoint) being that the mpi3mr now attached to the SAS transport class, making it the first fusion type device to do so. Beyond the usual bug fixing and security class reworks, there aren't a huge number of core changes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits) scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername() scsi: mpi3mr: Remove unnecessary cast scsi: stex: Properly zero out the passthrough command structure scsi: mpi3mr: Update driver version to 8.2.0.3.0 scsi: mpi3mr: Fix scheduling while atomic type bug scsi: mpi3mr: Scan the devices during resume time scsi: mpi3mr: Free enclosure objects during driver unload scsi: mpi3mr: Handle 0xF003 Fault Code scsi: mpi3mr: Graceful handling of surprise removal of PCIe HBA scsi: mpi3mr: Schedule IRQ kthreads only on non-RT kernels scsi: mpi3mr: Support new power management framework scsi: mpi3mr: Update mpi3 header files scsi: mpt3sas: Revert "scsi: mpt3sas: Fix ioc->base_readl() use" scsi: mpt3sas: Revert "scsi: mpt3sas: Fix writel() use" scsi: wd33c93: Remove dead code related to the long-gone config WD33C93_PIO scsi: core: Add I/O timeout count for SCSI device scsi: qedf: Populate sysfs attributes for vport scsi: pm8001: Replace one-element array with flexible-array member scsi: 3w-xxxx: Replace one-element array with flexible-array member scsi: hptiop: Replace one-element array with flexible-array member in struct hpt_iop_request_ioctl_command() ...
2022-09-25scsi: ufs: core: Remove redundant function definitions from ufshcd.hArthur Simchaev1-20/+0
Remove Query-Request API function declarations from include/ufs/ufshcd.h and move them to the ufs core private header. Link: https://lore.kernel.org/r/1663761485-2532-1-git-send-email-Arthur.Simchaev@wdc.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Arthur Simchaev <Arthur.Simchaev@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-22scsi: ufs: wb: Add explicit flush sysfs attributeJinyoung Choi1-0/+1
There is the following quirk to bypass "WB Flush" in Write Booster. - UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL If this quirk is not set, there is no knob that can control "WB Flush". There are three flags that control Write Booster Feature: 1. WB ON/OFF 2. WB Hibern Flush ON/OFF (implicitly) 3. WB Flush ON/OFF (explicit) The sysfs attribute that controls the WB was implemented. (1) In the case of "Hibern Flush", it is always good to turn on. Control may not be required. (2) Finally, "Flush" may be necessary because the Auto-Hibern8 is not supported in a specific environment. So the sysfs attribute that controls this is necessary. (3) Link: https://lore.kernel.org/r/20220804075354epcms2p8c21c894b4e28840c5fc651875b7f435f@epcms2p8 Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-22scsi: ufs: core: Allow host driver to disable wb toggling during clock scalingPeter Wang1-0/+11
Mediatek UFS does not want to toggle write booster during clock scaling. Permit host driver to disable wb toggling during clock scaling. Introduce a flag UFSHCD_CAP_WB_WITH_CLK_SCALING to decouple WB and clock scaling. UFSHCD_CAP_WB_WITH_CLK_SCALING is only valid when UFSHCD_CAP_CLK_SCALING is set. Just like UFSHCD_CAP_HIBERN8_WITH_CLK_GATING is valid only when UFSHCD_CAP_CLK_GATING set. Set UFSHCD_CAP_WB_WITH_CLK_SCALING for qcom to compatible legacy design at the same time. Link: https://lore.kernel.org/r/20220804025422.18803-1-peter.wang@mediatek.com Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Peter Wang <peter.wang@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-22scsi: ufs: core: Use local_clock() for debugging timestampsDaniil Lunev1-5/+9
CLOCK_MONOTONIC is not advanced when the system is in suspend. This becomes problematic when debugging issues related to suspend-resume: the timestamps printed by ufshcd_print_trs can not be correlated with dmesg entries, which are timestamped with local_clock(). Change the used clock to local_clock() for the informational timestamp variables and adds mirroring *_local_clock instances for variables used in subsequent derevations (to not change the semantics of those derevations). Link: https://lore.kernel.org/r/20220804065019.v5.1.I699244ea7efbd326a34a6dfd9b5a31e78400cf68@changeid Acked-by: Stanley Chu <stanley.chu@mediatek.com> Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Daniil Lunev <dlunev@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-11scsi: ufs: core: Enable link lost interruptKiwoong Kim1-5/+1
Link lost is treated as fatal error with commit c99b9b230149 ("scsi: ufs: Treat link loss as fatal error"), but the event isn't registered as interrupt source. Enable it. Link: https://lore.kernel.org/r/1659404551-160958-1-git-send-email-kwmad.kim@samsung.com Fixes: c99b9b230149 ("scsi: ufs: Treat link loss as fatal error") Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-27scsi: ufs: ufshcd: Constify pointed dataKrzysztof Kozlowski1-3/+3
For code safety, constify arrays and pointers to data which is not modified. Link: https://lore.kernel.org/r/20220623102432.108059-4-krzysztof.kozlowski@linaro.org Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-16scsi: ufs: Export regulator functionsStanley Chu1-0/+2
Export below regulator functions to allow vendors to customize regulator configuration in their own platforms. int ufshcd_populate_vreg(struct device *dev, const char *name, struct ufs_vreg **out_vreg); int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg); Link: https://lore.kernel.org/r/20220616053725.5681-10-stanley.chu@mediatek.com Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-16scsi: ufs: ufs-mediatek: Introduce workaround for power mode changeCC Chou1-0/+1
Some MediaTek SoC chips need special flow for power mode change, especially for chips supporting HS-G5. Enable the workaround by setting the host-specific capability. Link: https://lore.kernel.org/r/20220616053725.5681-4-stanley.chu@mediatek.com Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: CC Chou <cc.chou@mediatek.com> Signed-off-by: Eddie Huang <eddie.huang@mediatek.com> Signed-off-by: Dennis Yu <tun-yu.yu@mediatek.com> Signed-off-by: Peter Wang <peter.want@medaitek.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-16scsi: ufs: Export ufshcd_uic_change_pwr_mode()Stanley Chu1-0/+1
Export ufshcd_uic_change_pwr_mode() to allow vendors to use it for SoC-specific power mode change design limitations. Link: https://lore.kernel.org/r/20220616053725.5681-2-stanley.chu@mediatek.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-16scsi: ufs: Rearrange addresses in increasing orderAlim Akhtar1-51/+51
Rearrange all the unipro and mphy addresses in their increasing order. Link: https://lore.kernel.org/r/20220615121204.16642-3-alim.akhtar@samsung.com Reviewed-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-16scsi: ufs: host: ufs-exynos: Use already existing definitionAlim Akhtar1-1/+0
UFS core already uses RX_MIN_ACTIVATETIME_CAPABILITY macro, let's use the same in driver as well instead of having a different macro name for the same offset. Link: https://lore.kernel.org/r/20220615121204.16642-2-alim.akhtar@samsung.com Reviewed-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-13scsi: ufs: core: Add UFSHCD_QUIRK_HIBERN_FASTAUTOYoshihiro Shimoda1-0/+6
Add UFSHCD_QUIRK_HIBERN_FASTAUTO quirk for host controllers which supports auto-hibernate the capability but only FASTAUTO mode. Link: https://lore.kernel.org/r/20220603110524.1997825-4-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-13scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESSYoshihiro Shimoda1-0/+6
Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS for host controllers which do not support 64-bit addressing. Link: https://lore.kernel.org/r/20220603110524.1997825-3-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-05-19scsi: ufs: Split the drivers/scsi/ufs directoryBart Van Assche5-0/+2795
Split the drivers/scsi/ufs directory into 'core' and 'host' directories under the drivers/ufs/ directory. Move shared header files into the include/ufs/ directory. This separation makes it clear which header files UFS drivers are allowed to include (include/ufs/*.h) and which header files UFS drivers are not allowed to include (drivers/ufs/core/*.h). Update the MAINTAINERS file. Add myself as a UFS reviewer. Link: https://lore.kernel.org/r/20220511212552.655341-1-bvanassche@acm.org Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bean Huo <beanhuo@micron.com> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Keoseong Park <keosung.park@samsung.com> Tested-by: Bean Huo <beanhuo@micron.com> Tested-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Acked-by: Avri Altman <avri.altman@wdc.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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