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authorKouei Abe <kouei.abe.cp@renesas.com>2017-05-13 15:51:15 +0200
committerJaehoon Chung <jh80.chung@samsung.com>2017-06-09 20:25:16 +0900
commit3ebc62c987f000f33aa69231e24719547790264a (patch)
tree51680c19a72a4b5ec1bbac7965bc72ea30412d06 /drivers/mmc
parent156d64fa55e9914b144c5e83f2a9e13d1223a4d3 (diff)
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mmc: sh_sdhi: Set SD_INFOx interrupt mask before command starting
When setting interrupt mask after command starting, an unintended interrupt status sometimes occurs. Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com> Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/sh_sdhi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/sh_sdhi.c b/drivers/mmc/sh_sdhi.c
index 25224e2e1d..7f0b4c2603 100644
--- a/drivers/mmc/sh_sdhi.c
+++ b/drivers/mmc/sh_sdhi.c
@@ -546,8 +546,6 @@ static int sh_sdhi_start_cmd(struct sh_sdhi_host *host,
break;
}
- sh_sdhi_writew(host, SDHI_CMD, (unsigned short)(opc & CMD_MASK));
-
host->wait_int = 0;
sh_sdhi_writew(host, SDHI_INFO1_MASK,
~INFO1M_RESP_END & sh_sdhi_readw(host, SDHI_INFO1_MASK));
@@ -557,6 +555,8 @@ static int sh_sdhi_start_cmd(struct sh_sdhi_host *host,
INFO2M_RESP_TIMEOUT | INFO2M_ILA) &
sh_sdhi_readw(host, SDHI_INFO2_MASK));
+ sh_sdhi_writew(host, SDHI_CMD, (unsigned short)(opc & CMD_MASK));
+
time = sh_sdhi_wait_interrupt_flag(host);
if (!time)
return sh_sdhi_error_manage(host);