Commit b41a9bf2 authored by Fabio Estevam's avatar Fabio Estevam Committed by Bartosz Golaszewski
Browse files

gpio: pca953x: Print the error code on read/write failures 



Print the error code in the pca953x_write_regs() and pca953x_read_regs()
functions to help debugging.

Suggested-by: default avatarRussell King (Oracle) <linux@armlinux.org.uk>
Signed-off-by: default avatarFabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20240821114202.2072220-1-festevam@gmail.com


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent 2a4727e6

drivers/gpio/gpio-pca953x.c

+2 −2
Original line number Diff line number Diff line
@@ -498,7 +498,7 @@ static int pca953x_write_regs(struct pca953x_chip *chip, int reg, unsigned long 


	ret = regmap_bulk_write(chip->regmap, regaddr, value, NBANK(chip));

	if (ret < 0) {

		dev_err(&chip->client->dev, "failed writing register\n");

		dev_err(&chip->client->dev, "failed writing register: %d\n", ret);

		return ret;

	}
@@ -513,7 +513,7 @@ static int pca953x_read_regs(struct pca953x_chip *chip, int reg, unsigned long * 


	ret = regmap_bulk_read(chip->regmap, regaddr, value, NBANK(chip));

	if (ret < 0) {

		dev_err(&chip->client->dev, "failed reading register\n");

		dev_err(&chip->client->dev, "failed reading register: %d\n", ret);

		return ret;

	}