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-rw-r--r--drivers/mmc/host/bcm2835.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index e1b7757c48fe..7c30d79a9fdd 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -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;