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>
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@ -909,7 +909,6 @@ struct msdc_dma {
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struct scatterlist *sg; /* I/O scatter list */
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struct scatterlist_ex *esg; /* extended I/O scatter list */
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u8 mode; /* dma mode */
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u8 burstsz; /* burst size */
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u8 intr; /* dma done interrupt */
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u8 padding; /* padding */
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u32 cmd; /* enhanced mode command */
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@ -1338,7 +1338,8 @@ static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma)
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else
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sdr_write32((volatile u32 *)(RALINK_MSDC_BASE + 0xa8), sg_dma_len(sg));
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//#endif
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz);
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ,
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MSDC_BRUST_64B);
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 0);
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break;
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case MSDC_MODE_DMA_DESC:
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@ -1377,7 +1378,8 @@ static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma)
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dma->used_bd += bdlen;
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sdr_set_field(MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, chksum);
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz);
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ,
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MSDC_BRUST_64B);
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sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1);
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sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr));
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@ -1404,7 +1406,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
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//dma->flags = DMA_FLAG_NONE; /* CHECKME */
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dma->sglen = sglen;
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dma->xfersz = host->xfer_size;
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dma->burstsz = MSDC_BRUST_64B;
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if (sglen == 1 && sg_dma_len(sg) <= MAX_DMA_CNT)
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dma->mode = MSDC_MODE_DMA_BASIC;
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