From: Stephen Warren <swarren@xxxxxxxxxx>
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@xxxxxxxxxx>
---
drivers/pinctrl/pinctrl-tegra.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index 0faa09200781..2d43bff74f59 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -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;
}
--
1.8.1.5
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