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powerpc/mpc85xx: Fix compiling error for common/cmd_gpio.c

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To replicate:
1. add to include/configs/p1_p2_rdb_pc.h "#define CONFIG_CMD_GPIO"
2. run `make P1020RDB-PC_defconfig`
3. run CROSS_COMPILE=powerpc-linux- make

and you will get:
common/built-in.o: In function `do_gpio':
u-boot/common/cmd_gpio.c:186: undefined reference to `gpio_request'
u-boot/common/cmd_gpio.c:194: undefined reference to `gpio_direction_input'
u-boot/common/cmd_gpio.c:195: undefined reference to `gpio_get_value'
u-boot/common/cmd_gpio.c:200: undefined reference to `gpio_get_value'
u-boot/common/cmd_gpio.c:203: undefined reference to `gpio_direction_output'
u-boot/common/cmd_gpio.c:209: undefined reference to `gpio_free

Signed-off-by: Michael Durrant <mdurrant@arcturusnetworks.com>
Signed-off-by: Oleksandr G Zhadan <oleks@arcturusnetworks.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Oleksandr G Zhadan 2015-04-28 13:59:50 -04:00 committed by York Sun
parent 38289c6945
commit d7732faad3
2 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/include/asm/arch-mpc85xx/gpio.h
View File

@ -12,4 +12,6 @@
#ifndef __ASM_ARCH_MX85XX_GPIO_H #ifndef __ASM_ARCH_MX85XX_GPIO_H
#define __ASM_ARCH_MX85XX_GPIO_H #define __ASM_ARCH_MX85XX_GPIO_H
#include <asm/mpc85xx_gpio.h>
#endif #endif

6
arch/powerpc/include/asm/mpc85xx_gpio.h
View File

@ -72,9 +72,10 @@ static inline int gpio_request(unsigned gpio, const char *label)
return 0; return 0;
} }
static inline void gpio_free(unsigned gpio) static inline int gpio_free(unsigned gpio)
{ {
/* Compatibility shim */ /* Compatibility shim */
return 0;
} }
static inline int gpio_direction_input(unsigned gpio) static inline int gpio_direction_input(unsigned gpio)
@ -97,12 +98,13 @@ static inline int gpio_get_value(unsigned gpio)
return !!mpc85xx_gpio_get(1U << gpio); return !!mpc85xx_gpio_get(1U << gpio);
} }
static inline void gpio_set_value(unsigned gpio, int value) static inline int gpio_set_value(unsigned gpio, int value)
{ {
if (value) if (value)
mpc85xx_gpio_set_high(1U << gpio); mpc85xx_gpio_set_high(1U << gpio);
else else
mpc85xx_gpio_set_low(1U << gpio); mpc85xx_gpio_set_low(1U << gpio);
return 0;
} }
static inline int gpio_is_valid(int gpio) static inline int gpio_is_valid(int gpio)