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SubjectRe: [PATCH 01/13] iio: accel: kxsd9: Use suitable format specifier
On Sun, 2020-03-22 at 02:31 +0530, Nishant Malpani wrote:
> Provide more suitable format specifiers while printing error logs.
> Discards the use of unnecessary explicit casting and prints symbolic
> error name which might prove to be convenient during debugging.

'Use suitable format specifier' is obscure and not specific.

All the subjects should likely be something like

[PATCH] subsystem: Use vsprintf extension %pe for symbolic error name

> diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
> @@ -21,8 +21,8 @@ static int kxsd9_i2c_probe(struct i2c_client *i2c,
> regmap = devm_regmap_init_i2c(i2c, &config);
> if (IS_ERR(regmap)) {
> - dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
> - (int)PTR_ERR(regmap));
> + dev_err(&i2c->dev, "Failed to register i2c regmap %pe\n",
> + regmap;

And this could use a separator between regmap and errname like

dev_err(&i2c->dev, "Failed to register i2c regmap: %pe\n",
dev_err(&i2c->dev, "Failed to register i2c regmap - %pe\n",

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