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| author | Stephen Warren <swarren@nvidia.com> | 2014-04-14 15:33:42 -0600 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-04-22 16:53:43 +0200 |
| commit | 36e80dca9f7381c12d11cb362427979fe640115c (patch) | |
| tree | baa54dc57d648d54284f007a240ecea1635413b5 /drivers/pinctrl/pinctrl-tegra.c | |
| parent | 0298fc3e1b057bd89ecfa3b00c1f5106d50c8136 (diff) | |
| download | lwn-36e80dca9f7381c12d11cb362427979fe640115c.tar.gz lwn-36e80dca9f7381c12d11cb362427979fe640115c.zip | |
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>
Diffstat (limited to 'drivers/pinctrl/pinctrl-tegra.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-tegra.c | 17 |
1 files 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; } |