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pinctrl: tegra: print better error messages 

When an attempt is made to configure an unsupported option on a pin,
print the DT property name of that option, so it's easier to debug
what the problem is.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stephen Warren 2014-04-14 15:33:42 -06:00 committed by Linus Walleij
parent 0298fc3e1b
commit 36e80dca9f
1 changed files with 14 additions and 3 deletions
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17
drivers/pinctrl/pinctrl-tegra.c
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@ -413,10 +413,21 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
}
if (*reg < 0 || *bit > 31) {
if (report_err)
if (report_err) {
const char *prop = "unknown";
int i;
for (i = 0; i < ARRAY_SIZE(cfg_params); i++) {
if (cfg_params[i].param == param) {
prop = cfg_params[i].property;
break;
}
}
dev_err(pmx->dev,
"Config param %04x not supported on group %s\n",
param, g->name);
"Config param %04x (%s) not supported on group %s\n",
param, prop, g->name);
}
return -ENOTSUPP;
}