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path: root/drivers/scsi/ufs/ufs-mediatek.c (follow)
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2020-01-20scsi: ufs: Delete struct ufs_dev_descBean Huo1-3/+4
In consideration of UFS host driver uses parameters of struct ufs_dev_desc, move its parameters to struct ufs_dev_info, delete struct ufs_dev_desc. Link: https://lore.kernel.org/r/20200120130820.1737-3-huobean@gmail.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-20scsi: ufs-mediatek: enable low-power mode for hibern8 stateStanley Chu1-0/+53
In MediaTek Chipsets, UniPro link and ufshci can enter proprietary low-power mode while link is in hibern8 state. Link: https://lore.kernel.org/r/20200117035108.19699-4-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-20scsi: ufs-mediatek: add dbg_register_dump implementationStanley Chu1-0/+16
Add dbg_register_dump variant vendor implementation in MediaTek UFS driver. Link: https://lore.kernel.org/r/20200117035108.19699-2-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-15scsi: ufs-mediatek: add apply_dev_quirks variant operationStanley Chu1-0/+11
Add vendor-specific variant callback "apply_dev_quirks" to MediaTek UFS driver. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Asutosh Das <asutoshd@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1578726707-6596-3-git-send-email-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-02scsi: ufs-mediatek: configure and enable clk-gatingStanley Chu1-0/+22
Enable clk-gating with customized delayed timer value in MediaTek Chipsets. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-7-git-send-email-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-02scsi: ufs-mediatek: configure customized auto-hibern8 timerStanley Chu1-0/+8
Configure customized auto-hibern8 timer in MediaTek Chipsets. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-6-git-send-email-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-02scsi: ufs-mediatek: introduce reference clock controlStanley Chu1-4/+58
Introduce reference clock control in MediaTek Chipset in order to disable it if it is not necessary by UFS device to save system power. Currently reference clock can be disabled during system suspend, runtime suspend and clock-gating after link enters hibernate state. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-4-git-send-email-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-02scsi: ufs-mediatek: add device reset implementationStanley Chu1-0/+33
Add device reset vops implementation in MediaTek UFS driver. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-3-git-send-email-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-09-30scsi: ufs-mediatek: enable auto suspend capabilityStanley Chu1-0/+3
Enable auto suspend capability in MediaTek UFS driver. Link: https://lore.kernel.org/r/1568649411-5127-4-git-send-email-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-03-25scsi: ufs-mediatek: Add missing MODULE_* informationAnders Roxell1-0/+5
When building the ufs-mediatek module the following warning shows up: WARNING: modpost: missing MODULE_LICENSE() in drivers/scsi/ufs/ufs-mediatek.o Rework to add MODULE_LICENSE,MODULE_AUTHOR and MODULE_DESCRIPTION. Fixes: ddd90623ce26 ("scsi: ufs-mediatek: Add UFS support for Mediatek SoC chips") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-03-25scsi: ufs-mediatek: Fix platform_no_drv_owner.cocci warningsYueHaibing1-1/+0
Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-03-20scsi: ufs-mediatek: Avoid using ret uninitialized in ufs_mtk_setup_clocksNathan Chancellor1-4/+1
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>
2019-03-20scsi: ufs-mediatek: Make some symbols staticYueHaibing1-3/+3
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>
2019-03-19scsi: ufs-mediatek: Add UFS support for Mediatek SoC chipsStanley Chu1-0/+367
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>
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