diff options
Diffstat (limited to 'arch/m68k')
-rw-r--r-- | arch/m68k/include/asm/gpio.h | 20 | ||||
-rw-r--r-- | arch/m68k/mm/init.c | 24 |
2 files changed, 22 insertions, 22 deletions
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h index 4395ffc51fdb..8cc83431805b 100644 --- a/arch/m68k/include/asm/gpio.h +++ b/arch/m68k/include/asm/gpio.h @@ -86,4 +86,24 @@ static inline int gpio_cansleep(unsigned gpio) return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio); } +static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) +{ + int err; + + err = gpio_request(gpio, label); + if (err) + return err; + + if (flags & GPIOF_DIR_IN) + err = gpio_direction_input(gpio); + else + err = gpio_direction_output(gpio, + (flags & GPIOF_INIT_HIGH) ? 1 : 0); + + if (err) + gpio_free(gpio); + + return err; +} + #endif diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 519aad8fa812..1af2ca3411f6 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -110,18 +110,7 @@ void __init paging_init(void) void free_initmem(void) { #ifndef CONFIG_MMU_SUN3 - unsigned long addr; - - addr = (unsigned long) __init_begin; - for (; addr < ((unsigned long) __init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - pr_notice("Freeing unused kernel memory: %luk freed (0x%x - 0x%x)\n", - (addr - (unsigned long) __init_begin) >> 10, - (unsigned int) __init_begin, (unsigned int) __init_end); + free_initmem_default(0); #endif /* CONFIG_MMU_SUN3 */ } @@ -213,15 +202,6 @@ void __init mem_init(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - int pages = 0; - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - pages++; - } - pr_notice("Freeing initrd memory: %dk freed\n", - pages << (PAGE_SHIFT - 10)); + free_reserved_area(start, end, 0, "initrd"); } #endif |