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This patch disables autohibern8 feature in Cadence UFS. The autohibern8
feature has issues due to which unexpected interrupt trigger is happening.
After the interrupt issue is sorted out, autohibern8 feature will be
re-enabled
Link: https://lore.kernel.org/r/1575367635-22662-1-git-send-email-sheebab@cadence.com
Cc: <stable@vger.kernel.org>
Signed-off-by: sheebab <sheebab@cadence.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Some UFS devices have issues if LCC is enabled. So we are setting
PA_LOCAL_TX_LCC_Enable to 0 before link startup which will make sure that
both host and device TX LCC are disabled once link startup is completed.
Signed-off-by: Anil Varughese <aniljoy@cadence.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Configure CDNS_UFS_REG_HCLKDIV in .hce_enable_notify() instead of
.setup_clock() because if UFSHCD resets the controller ip because of phy or
device related errors then CDNS_UFS_REG_HCLKDIV is reset to default value
and .setup_clock() is not called later in the sequence whereas
.hce_enable_notify will be called everytime controller is reenabled.
Signed-off-by: Anil Varughese <aniljoy@cadence.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch adds an additional PHY initialization, required for M31 PHY when
used with Cadence UFS HC. A new compatible string has been added for this
purpose.
[mkp: nuke superfluous status return]
Signed-off-by: Jan Kotas <jank@cadence.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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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>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch adds a device tree platform driver for Cadence UFS Host
Controller. It can be enabled with SCSI_UFS_CDNS_PLATFORM Kconfig option.
Signed-off-by: Jan Kotas <jank@cadence.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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