From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 7 Aug 2012 03:10:12 +0000 (+0800)
Subject: mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0462566b1e3129b2920b63b62a653b70a1bc36fa;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.

bf518 RSI dma doesn't work in array mode.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index a17dd7363ceb..56a10938b44a 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -462,7 +462,11 @@ 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;