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MIPS: Lantiq: switch vmmc to use gpiod API

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This switches vmmc to use gpiod API instead of OF-specific legacy gpio
API that we want to stop exporting from gpiolib.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Dmitry Torokhov 2022-09-22 21:55:40 -07:00 committed by Thomas Bogendoerfer
parent 730320fd77
commit 692cb5b0f4
1 changed files with 13 additions and 9 deletions
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22
arch/mips/lantiq/xway/vmmc.c
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@ -4,9 +4,10 @@
* Copyright (C) 2012 John Crispin <john@phrozen.org>
*/
#include <linux/err.h>
#include <linux/export.h>
#include <linux/gpio/consumer.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/dma-mapping.h>
#include <lantiq_soc.h>
@ -25,6 +26,7 @@ EXPORT_SYMBOL(ltq_get_cp1_base);
static int vmmc_probe(struct platform_device *pdev)
{
#define CP1_SIZE (1 << 20)
struct gpio_desc *gpio;
int gpio_count;
dma_addr_t dma;
@ -32,16 +34,18 @@ static int vmmc_probe(struct platform_device *pdev)
(void *) CPHYSADDR(dma_alloc_coherent(&pdev->dev, CP1_SIZE,
&dma, GFP_KERNEL));
gpio_count = of_gpio_count(pdev->dev.of_node);
gpio_count = gpiod_count(&pdev->dev, NULL);
while (gpio_count > 0) {
enum of_gpio_flags flags;
int gpio = of_get_gpio_flags(pdev->dev.of_node,
--gpio_count, &flags);
if (gpio_request(gpio, "vmmc-relay"))
gpio = devm_gpiod_get_index(&pdev->dev,
NULL, --gpio_count, GPIOD_OUT_HIGH);
if (IS_ERR(gpio)) {
dev_err(&pdev->dev,
"failed to request GPIO idx %d: %d\n",
gpio_count, PTR_ERR(gpio);
continue;
dev_info(&pdev->dev, "requested GPIO %d\n", gpio);
gpio_direction_output(gpio,
(flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1));
}
gpio_consumer_set_name(gpio, "vmmc-relay");
}
dev_info(&pdev->dev, "reserved %dMB at 0x%p", CP1_SIZE >> 20, cp1_base);