diff options
| author | Christian Lütke-Stetzkamp <christian@lkamp.de> | 2018-04-18 17:27:31 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-23 15:37:49 +0200 |
| commit | 75744bc711c456fc49103c62b155eeadafad4bb9 (patch) | |
| tree | d0d753a41443e09ab090a85226512a083e530b6a /drivers | |
| parent | ab71f5d73fe06765d40a285d1298f523cdf17fd6 (diff) | |
staging: mt7621-mmc: Remove unused field burstsz from msdc_dma
The burstsz field in msdc_dma is set to a constant value and later
only used two times, using the constant directly in that places allows
to remove the field and improves readability.
Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/mt7621-mmc/mt6575_sd.h | 1 | ||||
| -rw-r--r-- | drivers/staging/mt7621-mmc/sd.c | 7 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/mt7621-mmc/mt6575_sd.h b/drivers/staging/mt7621-mmc/mt6575_sd.h index f6daaf69bcab..6a08b2651e70 100644 --- a/drivers/staging/mt7621-mmc/mt6575_sd.h +++ b/drivers/staging/mt7621-mmc/mt6575_sd.h @@ -909,7 +909,6 @@ struct msdc_dma { struct scatterlist *sg; /* I/O scatter list */ struct scatterlist_ex *esg; /* extended I/O scatter list */ u8 mode; /* dma mode */ - u8 burstsz; /* burst size */ u8 intr; /* dma done interrupt */ u8 padding; /* padding */ u32 cmd; /* enhanced mode command */ diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c index 43a59da5b418..db3abc5dad47 100644 --- a/drivers/staging/mt7621-mmc/sd.c +++ b/drivers/staging/mt7621-mmc/sd.c @@ -1338,7 +1338,8 @@ static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma) else sdr_write32((volatile u32 *)(RALINK_MSDC_BASE + 0xa8), sg_dma_len(sg)); //#endif - sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); + sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, + MSDC_BRUST_64B); sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 0); break; case MSDC_MODE_DMA_DESC: @@ -1377,7 +1378,8 @@ static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma) dma->used_bd += bdlen; sdr_set_field(MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, chksum); - sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); + sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, + MSDC_BRUST_64B); sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1); sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr)); @@ -1404,7 +1406,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, //dma->flags = DMA_FLAG_NONE; /* CHECKME */ dma->sglen = sglen; dma->xfersz = host->xfer_size; - dma->burstsz = MSDC_BRUST_64B; if (sglen == 1 && sg_dma_len(sg) <= MAX_DMA_CNT) dma->mode = MSDC_MODE_DMA_BASIC; |