sonic.zhang at analog
May 16, 2012, 12:50 AM
Post #1 of 1
(26 views)
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[PATCH 1/5] mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.
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From: Sonic Zhang <sonic.zhang [at] analog>
bf518 RSI dma doesn't work in array mode.
Signed-off-by: Sonic Zhang <sonic.zhang [at] analog>
---
drivers/mmc/host/bfin_sdh.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index 0366617..fd25b0c 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -469,7 +469,11 @@ static int __devinit sdh_probe(struct platform_device *pdev)
}
mmc->ops = &sdh_ops;
+#if defined(CONFIG_BF54x)
mmc->max_segs = 32;
+#elif defined(CONFIG_BF51x)
+ mmc->max_segs = 1;
+#endif
mmc->max_seg_size = 1 << 16;
mmc->max_blk_size = 1 << 11;
mmc->max_blk_count = 1 << 11;
--
1.7.0.4
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