gpiolib: of: Update debug messages for of_get_named_gpiod_flags

Following is the debug output (only a few examples) before and after
the patch.

$ dmesg | grep of_get_named_gpiod_flags

Before:
of_get_named_gpiod_flags: can't parse gpios property
 of node '/mmc@12220000[0]'
of_get_named_gpiod_flags exited with status 0

After:
of_get_named_gpiod_flags: can't parse 'wp-gpios' property
 of node '/mmc@12220000[0]'
of_get_named_gpiod_flags: parsed 'gpios' property of node
 '/gpio-keys/power[0]' - status (0)

Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index af7e25c9a9ae6d56d5765870f233830c7b4a9e5a..e60cdab1d15ee86d0df1506be0ba692a7c5ca8be 100644 (file)
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -82,15 +82,16 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
        ret = of_parse_phandle_with_args(np, propname, "#gpio-cells", index,
                                         &gg_data.gpiospec);
        if (ret) {
-               pr_debug("%s: can't parse gpios property of node '%s[%d]'\n",
-                       __func__, np->full_name, index);
+               pr_debug("%s: can't parse '%s' property of node '%s[%d]'\n",
+                       __func__, propname, np->full_name, index);
                return ERR_PTR(ret);
        }
 
        gpiochip_find(&gg_data, of_gpiochip_find_and_xlate);
 
        of_node_put(gg_data.gpiospec.np);
-       pr_debug("%s exited with status %d\n", __func__,
+       pr_debug("%s: parsed '%s' property of node '%s[%d]' - status (%d)\n",
+                __func__, propname, np->full_name, index,
                 PTR_ERR_OR_ZERO(gg_data.out_gpio));
        return gg_data.out_gpio;
 }