From: Andy Shevchenko <[email protected]> [ Upstream commit a835d3a114ab0dc2f0d8c6963c3f53734b1c5965 ]
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]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/pinctrl/pinctrl-mcp23s08_spi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pinctrl/pinctrl-mcp23s08_spi.c b/drivers/pinctrl/pinctrl-mcp23s08_spi.c index 7c72cffe14127..9ae10318f6f35 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); } -- 2.27.0
