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

gpio: sh-pfc: fix gpio input read

Browse Source 
Fix gpio_read: gpio input (INDT) and gpio output (OUTDT) registers
have different offset. gpio_read must be performed from INDT.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Vladimir Barinov 2015-07-20 20:49:25 +03:00 committed by Nobuhiro Iwamatsu
parent f875bbb491
commit 9035edbae9
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpio/sh_pfc.c
View File

@ -75,7 +75,8 @@ static int gpio_read_bit(struct pinmux_data_reg *dr,
debug("read_bit: addr = %lx, pos = %ld, "
"r_width = %ld\n", dr->reg, pos, dr->reg_width);
return (gpio_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
return
(gpio_read_raw_reg(dr->mapped_reg + 0x4, dr->reg_width) >> pos) & 1;
}
static void gpio_write_bit(struct pinmux_data_reg *dr,