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microblaze: consolidate GPIO reset handling

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Now that platform.c only has the GPIO reset handling left, move the
initcall to reset.c and remove platform.c.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Rob Herring
2018-06-19 15:36:20 -06:00
committed by Michal Simek
parent 2dbeb7040a
commit 45df561a7a
4 changed files with 7 additions and 30 deletions
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11
arch/microblaze/kernel/reset.c
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@@ -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)