[PATCH v6] mfd:rtsx: do retry when DMA transfer error

2017-05-23 Thread steven_feng
From: Steven Feng The request should be resent when DMA transfer error occurred. For rts5227, the clock rate needs to be reduced when error occurred. Signed-off-by: Steven Feng --- drivers/mfd/rtsx_pcr.c | 17 +++-- include/linux/mfd/rtsx_pci.h | 5 + 2 files changed, 20

[PATCH v5] mfd:rtsx: do retry when DMA transfer error

2017-05-22 Thread steven_feng
From: Steven Feng The request should be resent when DMA transfer error occurred. For rts5227, the clock rate needs to be reduced when error occurred. Signed-off-by: Steven Feng --- drivers/mfd/rtsx_pcr.c | 17 +++-- include/linux/mfd/rtsx_pci.h | 5 + 2 files changed, 20

[PATCH v4] mfd:rtsx: do retry when DMA transfer error

2017-04-25 Thread steven_feng
From: Steven Feng The request should be resent when DMA transfer error occurred. For rts5227, the clock rate needs to be reduced when error occurred. Signed-off-by: Steven Feng --- drivers/mfd/rtsx_pcr.c | 18 -- include/linux/mfd/rtsx_pci.h | 5 + 2 files changed, 2

[PATCH v4] mfd:rtsx: do retry when DMA transfer error

2017-04-10 Thread steven_feng
From: Steven Feng The request should be resent when DMA transfer error occurred. For rts5227, the clock rate needs to be reduced when error occurred. Signed-off-by: Steven Feng --- drivers/mfd/rtsx_pcr.c | 18 -- include/linux/mfd/rtsx_pci.h | 5 + 2 files changed, 2

[PATCH v3] mfd:rtsx: do retry when dma transfer error

2017-01-05 Thread steven_feng
From: steven_feng the request should be reissued when dma transfer error. for rts5227, the clock freq need to step reduce when error occurred. Signed-off-by: steven_feng --- drivers/mfd/rtsx_pcr.c | 17 +++-- include/linux/mfd/rtsx_pci.h | 5 + 2 files changed, 20

[PATCH v2] mfd:rtsx: do retry when dma transfer error

2017-01-04 Thread steven_feng
From: steven_feng the request should be reissued when dma transfer error. for rts5227, the clock freq need to step reduce when error occurred. Signed-off-by: steven_feng --- drivers/mfd/rtsx_pcr.c | 16 ++-- include/linux/mfd/rtsx_pci.h | 4 2 files changed, 18

[PATCH] mfd:rtsx: do retry when dma transfer error

2016-12-09 Thread steven_feng
From: steven_feng the request should be reissued when dma transfer error. for rts5227, the clock freq need to step reduce when error occurred. Signed-off-by: steven_feng --- drivers/mfd/rtsx_pcr.c | 15 +-- include/linux/mfd/rtsx_pci.h | 2 ++ 2 files changed, 15 insertions