aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndy Shevchenko <[email protected]>2020-10-09 21:08:56 +0300
committerLinus Walleij <[email protected]>2020-11-05 11:30:31 +0100
commita835d3a114ab0dc2f0d8c6963c3f53734b1c5965 (patch)
tree6cc3da6d47697f01561ddc87164541df73682189
parent2b12c13637134897ba320bd8906a8d918ee7069b (diff)
pinctrl: mcp23s08: Print error message when regmap init fails
It is useful for debugging to have the error message printed when regmap initialisation fails. Add it to the driver. Signed-off-by: Andy Shevchenko <[email protected]> Cc: Martin Hundebøll <[email protected]> Link: https://lore.kernel.org/r/[email protected] Tested-by: Jan Kundrát <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
-rw-r--r--drivers/pinctrl/pinctrl-mcp23s08_spi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08_spi.c b/drivers/pinctrl/pinctrl-mcp23s08_spi.c
index 7c72cffe1412..9ae10318f6f3 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08_spi.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08_spi.c
@@ -126,6 +126,8 @@ static int mcp23s08_spi_regmap_init(struct mcp23s08 *mcp, struct device *dev,
copy->name = name;
mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, copy);
+ if (IS_ERR(mcp->regmap))
+ dev_err(dev, "regmap init failed for %s\n", mcp->chip.label);
return PTR_ERR_OR_ZERO(mcp->regmap);
}