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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-10-09 20:08:56 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-11-05 11:30:31 +0100 |
| commit | a835d3a114ab0dc2f0d8c6963c3f53734b1c5965 (patch) | |
| tree | 6cc3da6d47697f01561ddc87164541df73682189 /drivers/pinctrl/pinctrl-mcp23s08_spi.c | |
| parent | pinctrl: mcp23s08: Use full chunk of memory for regmap configuration (diff) | |
| download | linux-a835d3a114ab0dc2f0d8c6963c3f53734b1c5965.tar.xz linux-a835d3a114ab0dc2f0d8c6963c3f53734b1c5965.zip | |
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 <andriy.shevchenko@linux.intel.com>
Cc: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20201009180856.4738-2-andriy.shevchenko@linux.intel.com
Tested-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-mcp23s08_spi.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08_spi.c | 2 |
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); } |