leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mmc: sh_sdhi: Set SD_INFOx interrupt mask before command starting

Browse Source 
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>
This commit is contained in:
Kouei Abe 2017-05-13 15:51:15 +02:00 committed by Jaehoon Chung
parent 156d64fa55
commit 3ebc62c987
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/mmc/sh_sdhi.c
View File

@ -546,8 +546,6 @@ static int sh_sdhi_start_cmd(struct sh_sdhi_host *host,
break; break;
} }
sh_sdhi_writew(host, SDHI_CMD, (unsigned short)(opc & CMD_MASK));
host->wait_int = 0; host->wait_int = 0;
sh_sdhi_writew(host, SDHI_INFO1_MASK, sh_sdhi_writew(host, SDHI_INFO1_MASK,
~INFO1M_RESP_END & sh_sdhi_readw(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) & INFO2M_RESP_TIMEOUT | INFO2M_ILA) &
sh_sdhi_readw(host, SDHI_INFO2_MASK)); 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); time = sh_sdhi_wait_interrupt_flag(host);
if (!time) if (!time)
return sh_sdhi_error_manage(host); return sh_sdhi_error_manage(host);