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* [PATCH] mmc: dw_mmc: set the card_width bit per card.
@ 2011-06-20  8:23 Seungwon Jeon
  2011-06-20  9:15 ` Will Newton
  0 siblings, 1 reply; 3+ messages in thread
From: Seungwon Jeon @ 2011-06-20  8:23 UTC (permalink / raw)
  To: linux-samsung-soc, linux-mmc; +Cc: akpm, cjb, kgene.kim, Seungwon Jeon

This patch sets the card_width bit of CTYPE for the corresponding card.

CTYPE[31] and CTYPE[16] correspond respectively to card[15] and card[0]
for 8-bit mode. And CTYPE[15] and CTYPE[0] correspond respectively to
card[15] and CTYPE[0] for 1-bit or 4-bit mode.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
---
 drivers/mmc/host/dw_mmc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 66dcddb..1ca830c 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -574,7 +574,7 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot)
 	}
 
 	/* Set the current slot bus width */
-	mci_writel(host, CTYPE, slot->ctype);
+	mci_writel(host, CTYPE, (slot->ctype << slot->id));
 }
 
 static void dw_mci_start_request(struct dw_mci *host,
-- 
1.7.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-06-20 18:57 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2011-06-20  8:23 [PATCH] mmc: dw_mmc: set the card_width bit per card Seungwon Jeon
2011-06-20  9:15 ` Will Newton
2011-06-20 18:57   ` Chris Ball

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