Commit d8bde4fd authored by Peng Fan's avatar Peng Fan Committed by Pratyush Yadav
Browse files

mtd: spi-nor: support vcc-supply regulator 



SPI NOR flashes needs power supply to work properly. The power supply
maybe software controllable per board design. So add the support
for an vcc-supply regulator.

Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Reviewed-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
[ta: move devm_regulator_get_enable() to spi_nor_probe().]
Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: default avatarPratyush Yadav <pratyush@kernel.org>
Signed-off-by: default avatarPratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20241111111946.9048-3-tudor.ambarus@linaro.org
parent 07c88883

drivers/mtd/spi-nor/core.c

+5 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/mtd/spi-nor.h>

#include <linux/mutex.h>

#include <linux/of_platform.h>

#include <linux/regulator/consumer.h>

#include <linux/sched/task_stack.h>

#include <linux/sizes.h>

#include <linux/slab.h>
@@ -3587,6 +3588,10 @@ static int spi_nor_probe(struct spi_mem *spimem) 
	char *flash_name;

	int ret;



	ret = devm_regulator_get_enable(dev, "vcc");

	if (ret)

		return ret;



	nor = devm_kzalloc(dev, sizeof(*nor), GFP_KERNEL);

	if (!nor)

		return -ENOMEM;