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From: Sonic Zhang <sonic.adi@gmail.com>
To: Chris Ball <cjb@laptop.org>
Cc: linux-mmc@vger.kernel.org, Bob Liu <liubbo@gmail.com>,
	uclinux-dist-devel@blackfin.uclinux.org,
	Sonic Zhang <sonic.zhang@analog.com>
Subject: [PATCH 1/4] mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.
Date: Tue, 7 Aug 2012 11:10:12 +0800	[thread overview]
Message-ID: <1344309015-13248-1-git-send-email-sonic.adi@gmail.com> (raw)

From: Sonic Zhang <sonic.zhang@analog.com>

bf518 RSI dma doesn't work in array mode.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---
 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



             reply	other threads:[~2012-08-07  3:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-07  3:10 Sonic Zhang [this message]
2012-08-07  3:10 ` [PATCH 2/4] mmc: bfin_sdh: Port bf5xx SD host driver to support new RSI controller in bf60x Sonic Zhang
2012-08-08  4:15   ` Chris Ball
2012-08-07  3:10 ` [PATCH 3/4] mmc: bfin_sdh: Remove redundent suspend and resume setting Sonic Zhang
2012-08-08  4:20   ` Chris Ball
2012-08-07  3:10 ` [PATCH 4/4] mmc: bfin_sdh: Reset SD controller when resume from power saving mode Sonic Zhang
2012-08-08  4:20   ` Chris Ball
2012-08-08  3:23 ` [PATCH 1/4] mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518 Sonic Zhang
2012-08-08  3:31   ` Chris Ball
     [not found]     ` <87zk66vz45.fsf-DGHOrqG7t0YzNDMTQreKSUB+6BGkLq7r@public.gmane.org>
2012-08-08  3:36       ` Chris Ball
2012-08-08  3:40         ` Zhang, Sonic
2012-08-08  3:39     ` Zhang, Sonic
2012-08-08  3:42       ` Chris Ball
2012-08-08  4:11 ` Chris Ball

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