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

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

Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20240821114202.2072220-1-festevam@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Fabio Estevam 2024-08-21 08:42:02 -03:00 committed by Bartosz Golaszewski
parent 2a4727e6a8
commit b41a9bf2c6
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-pca953x.c
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@ -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)); ret = regmap_bulk_write(chip->regmap, regaddr, value, NBANK(chip));
if (ret < 0) { 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; 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)); ret = regmap_bulk_read(chip->regmap, regaddr, value, NBANK(chip));
if (ret < 0) { 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; return ret;
} }