Commit d4dd9bcc authored Aug 24, 2019 by Stefan Wahren Committed by Ulf Hansson Sep 11, 2019

mmc: bcm2835: Take SWIOTLB memory size limitation into account



Make sure the sdhost driver doesn't use requests bigger than SWIOTLB
can handle.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent bb7b8ec6

drivers/mmc/host/bcm2835.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1314,7 +1314,7 @@ static int bcm2835_add_host(struct bcm2835_host *host)
		}

		mmc->max_segs = 128;
		mmc->max_req_size = 524288;
		mmc->max_req_size = min_t(size_t, 524288, dma_max_mapping_size(dev));
		mmc->max_seg_size = mmc->max_req_size;
		mmc->max_blk_size = 1024;
		mmc->max_blk_count = 65535;

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