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authorBintian Wang <bintian.wang@huawei.com>2015-01-20 15:33:12 +0800
committerGuodong Xu <guodong.xu@linaro.org>2015-11-10 20:59:56 +0800
commit5b4b080141dafc05445f64815c5422f92e3743a6 (patch)
tree043d247ef54b741ae67cf1be3da37f7971fb7527
parent3760860ad47d20389266d7b79edd5045289cd988 (diff)
misc: disable the reset of microSD and SDIO controller
Modify file hi6220-sysconfig.c to diable the reset of microSD and SDIO controller Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
-rw-r--r--drivers/misc/hi6220-sysconfig.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/hi6220-sysconfig.c b/drivers/misc/hi6220-sysconfig.c
index c4e03627a0ea..75a9cf0bc016 100644
--- a/drivers/misc/hi6220-sysconfig.c
+++ b/drivers/misc/hi6220-sysconfig.c
@@ -45,6 +45,9 @@ static int __init hi6220_sysconf(void)
writel(BIT(8), base + reset_offset);
writel(BIT(8), base + pclk_offset);
+ /*unreset microSD*/
+ writel(readl(base+0x304) | 0x6, base + 0x304);
+
iounmap(base);
return 0;