From 45df561a7ae2ca5080708cc2cf84a236f4d930ef Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Tue, 19 Jun 2018 15:36:20 -0600 Subject: [PATCH] microblaze: consolidate GPIO reset handling Now that platform.c only has the GPIO reset handling left, move the initcall to reset.c and remove platform.c. Cc: Michal Simek Signed-off-by: Rob Herring Signed-off-by: Michal Simek --- arch/microblaze/include/asm/setup.h | 2 -- arch/microblaze/kernel/Makefile | 2 +- arch/microblaze/kernel/platform.c | 22 ---------------------- arch/microblaze/kernel/reset.c | 11 ++++++----- 4 files changed, 7 insertions(+), 30 deletions(-) delete mode 100644 arch/microblaze/kernel/platform.c diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h index a38e4a56e3c6..ce9b7b786156 100644 --- a/arch/microblaze/include/asm/setup.h +++ b/arch/microblaze/include/asm/setup.h @@ -23,8 +23,6 @@ extern char *klimit; extern void mmu_reset(void); # endif /* CONFIG_MMU */ -extern void of_platform_reset_gpio_probe(void); - void time_init(void); void init_IRQ(void); void machine_early_init(const char *cmdline, unsigned int ram, diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index 3a53378d66d9..dd71637437f4 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -16,7 +16,7 @@ extra-y := head.o vmlinux.lds obj-y += dma.o exceptions.o \ hw_exception_handler.o irq.o \ - platform.o process.o prom.o ptrace.o \ + process.o prom.o ptrace.o \ reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o obj-y += cpu/ diff --git a/arch/microblaze/kernel/platform.c b/arch/microblaze/kernel/platform.c deleted file mode 100644 index b9a414552d9b..000000000000 --- a/arch/microblaze/kernel/platform.c +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright 2008 Michal Simek - * - * based on virtex.c file - * - * Copyright 2007 Secret Lab Technologies Ltd. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include -#include -#include - -static int __init microblaze_device_probe(void) -{ - of_platform_reset_gpio_probe(); - return 0; -} -device_initcall(microblaze_device_probe); diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c index bab4c8330ef4..fcbe1daf6316 100644 --- a/arch/microblaze/kernel/reset.c +++ b/arch/microblaze/kernel/reset.c @@ -18,7 +18,7 @@ static int handle; /* reset pin handle */ static unsigned int reset_val; -void of_platform_reset_gpio_probe(void) +static int of_platform_reset_gpio_probe(void) { int ret; handle = of_get_named_gpio(of_find_node_by_path("/"), @@ -27,13 +27,13 @@ void of_platform_reset_gpio_probe(void) if (!gpio_is_valid(handle)) { pr_info("Skipping unavailable RESET gpio %d (%s)\n", handle, "reset"); - return; + return -ENODEV; } ret = gpio_request(handle, "reset"); if (ret < 0) { pr_info("GPIO pin is already allocated\n"); - return; + return ret; } /* get current setup value */ @@ -51,11 +51,12 @@ void of_platform_reset_gpio_probe(void) pr_info("RESET: Registered gpio device: %d, current val: %d\n", handle, reset_val); - return; + return 0; err: gpio_free(handle); - return; + return ret; } +device_initcall(of_platform_reset_gpio_probe); static void gpio_system_reset(void)