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When any UFS host controller receives a TM(Task Management) response from a UFS device, UFS driver has been recognize like receiving a message of "Task Management Function Complete"(00h) in all cases, so far. That means there is no pending task for a tag of the TM request sent before in the UFS device. That's because the byte offset 6 in TM response which has been used to get a TM service response so far represents just whether or not a TM transmission passes. Regarding UFS spec, the correct byte offset to get TM service response is 15, not 6. I tested that UFS driver responds properly for the TM response from a UFS device with an reference board with exynos8890, as follow: No pending task -> Task Management Function Complete (00h) Pending task -> Task Management Function Succeeded (08h) [mkp: applied by hand] Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com> Signed-off-by: HeonGwang Chu <hg.chu@samsung.com> Tested-by: : Kiwoong Kim <kwmad.kim@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| tc-dwc-g210-pci.c | ||
| tc-dwc-g210-pltfrm.c | ||
| tc-dwc-g210.c | ||
| tc-dwc-g210.h | ||
| ufs_quirks.h | ||
| ufs-qcom.c | ||
| ufs-qcom.h | ||
| ufs.h | ||
| ufshcd-dwc.c | ||
| ufshcd-dwc.h | ||
| ufshcd-pci.c | ||
| ufshcd-pltfrm.c | ||
| ufshcd-pltfrm.h | ||
| ufshcd.c | ||
| ufshcd.h | ||
| ufshci-dwc.h | ||
| ufshci.h | ||
| unipro.h | ||