From: Sonic Zhang <sonic.adi@gmail.com>
To: Chris Ball <cjb@laptop.org>, linux-mmc@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>,
uclinux-dist-devel@blackfin.uclinux.org,
Sonic Zhang <sonic.zhang@analog.com>
Subject: [PATCH 1/5 v2] mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.
Date: Thu, 14 Jun 2012 17:22:19 +0800 [thread overview]
Message-ID: <1339665743-7947-1-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
next reply other threads:[~2012-06-14 9:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 9:22 Sonic Zhang [this message]
2012-06-14 9:22 ` [PATCH 2/5 v2] mmc: bfin_sdh: Move descriptor array structure into blackfin dma.h head file Sonic Zhang
2012-06-14 9:22 ` [PATCH 3/5 v2] mmc: bfin_sdh: Port bf5xx SD host driver to support new RSI controller in bf60x Sonic Zhang
2012-06-14 9:22 ` [PATCH 4/5 v2] mmc: bfin_sdh: Remove redundent suspend and resume setting Sonic Zhang
2012-06-14 9:22 ` [PATCH 5/5 v2] mmc: bfin_sdh: Reset SD controller when resume from power saving mode Sonic Zhang
2012-06-18 6:31 ` [PATCH 1/5 v2] mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518 Sonic Zhang
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