hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

MIPS: Alchemy: Fix DB1100 GPIO registration 

With CONFIG_GPIOLIB=y gpios need to be requested before they can be
modified.  Request the SD carddetect pins, and drop the SPI direction
setup, as the driver does that for us anyway.  This gets rid of a
lot of WARN_ON()s triggered by GPIO core, and restores functionality
of the touschreen controller.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/6497/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2014-01-29 19:11:46 +01:00 committed by Ralf Baechle
parent 38dbfb59d1
commit 4294ad1c52
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/mips/alchemy/devboards/db1000.c
View File

@ -534,13 +534,10 @@ static int __init db1000_dev_init(void)
s0 = AU1100_GPIO1_INT;
s1 = AU1100_GPIO4_INT;
gpio_request(19, "sd0_cd");
gpio_request(20, "sd1_cd");
gpio_direction_input(19); /* sd0 cd# */
gpio_direction_input(20); /* sd1 cd# */
gpio_direction_input(21); /* touch pendown# */
gpio_direction_input(207); /* SPI MISO */
gpio_direction_output(208, 0); /* SPI MOSI */
gpio_direction_output(209, 1); /* SPI SCK */
gpio_direction_output(210, 1); /* SPI CS# */
/* spi_gpio on SSI0 pins */
pfc = __raw_readl((void __iomem *)SYS_PINFUNC);