diff options
| author | Peng Fan <peng.fan@nxp.com> | 2024-11-11 13:19:46 +0200 |
|---|---|---|
| committer | Pratyush Yadav <pratyush@kernel.org> | 2024-12-06 16:08:25 +0000 |
| commit | d8bde4fd663667822956ad76dc33f0bbfa57bee8 (patch) | |
| tree | 7470e374163fdb6b05653e098b00654d5bc8d798 | |
| parent | 07c888838ea34662b9fd4a2698ef24ff59f0a630 (diff) | |
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: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
[ta: move devm_regulator_get_enable() to spi_nor_probe().]
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20241111111946.9048-3-tudor.ambarus@linaro.org
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 0b50293fc373..7ba89ffeaf2d 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -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; |