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Commit bcf53524 authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Chris Ball
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mmc: mxcmmc: use slot-gpio API for write-protect detection 



slot-gpio API suppors read-only detection when "wp-gpios"
property is present in the device tree mmc node. Use this
API for write-protect detection.

Signed-off-by: default avatarAnatolij Gustschin <agust@denx.de>
Acked-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent c7ceab02

drivers/mmc/host/mxcmmc.c

+5 −3
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#include <linux/of_device.h>

#include <linux/of_dma.h>

#include <linux/of_gpio.h>

#include <linux/mmc/slot-gpio.h>



#include <asm/dma.h>

#include <asm/irq.h>
@@ -917,10 +918,11 @@ static int mxcmci_get_ro(struct mmc_host *mmc) 
	if (host->pdata && host->pdata->get_ro)

		return !!host->pdata->get_ro(mmc_dev(mmc));

	/*

	 * Board doesn't support read only detection; let the mmc core

	 * decide what to do.

	 * If board doesn't support read only detection (no mmc_gpio

	 * context or gpio is invalid), then let the mmc core decide

	 * what to do.

	 */

	return -ENOSYS;

	return mmc_gpio_get_ro(mmc);

}



static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable)