mmc: dw_mmc: fix the wrong max_blk_size
According to DesignWare TRM, BLKSIZ is 16bits. Then it's correct that max_blk_size should be 0xFFFF, not 0x10000. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -2595,13 +2595,13 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
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/* Useful defaults if platform data is unset. */
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/* Useful defaults if platform data is unset. */
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if (host->use_dma == TRANS_MODE_IDMAC) {
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if (host->use_dma == TRANS_MODE_IDMAC) {
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mmc->max_segs = host->ring_size;
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mmc->max_segs = host->ring_size;
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mmc->max_blk_size = 65536;
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mmc->max_blk_size = 65535;
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mmc->max_seg_size = 0x1000;
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mmc->max_seg_size = 0x1000;
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mmc->max_req_size = mmc->max_seg_size * host->ring_size;
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mmc->max_req_size = mmc->max_seg_size * host->ring_size;
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mmc->max_blk_count = mmc->max_req_size / 512;
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mmc->max_blk_count = mmc->max_req_size / 512;
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} else if (host->use_dma == TRANS_MODE_EDMAC) {
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} else if (host->use_dma == TRANS_MODE_EDMAC) {
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mmc->max_segs = 64;
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mmc->max_segs = 64;
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mmc->max_blk_size = 65536;
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mmc->max_blk_size = 65535;
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mmc->max_blk_count = 65535;
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mmc->max_blk_count = 65535;
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mmc->max_req_size =
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mmc->max_req_size =
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mmc->max_blk_size * mmc->max_blk_count;
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mmc->max_blk_size * mmc->max_blk_count;
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@ -2609,7 +2609,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
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} else {
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} else {
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/* TRANS_MODE_PIO */
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/* TRANS_MODE_PIO */
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mmc->max_segs = 64;
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mmc->max_segs = 64;
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mmc->max_blk_size = 65536; /* BLKSIZ is 16 bits */
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mmc->max_blk_size = 65535; /* BLKSIZ is 16 bits */
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mmc->max_blk_count = 512;
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mmc->max_blk_count = 512;
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mmc->max_req_size = mmc->max_blk_size *
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mmc->max_req_size = mmc->max_blk_size *
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mmc->max_blk_count;
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mmc->max_blk_count;
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