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pinctrl: error if mapping table's control dev can't be found 

This is a serious error, and the pin control system will not function
correctly if it ends up not programing the mapping table entries into
the HW. Instead of just ignoring this, error out.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
[rebased to fit the applied patch series, cast error to pointer]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stephen Warren 2012-02-19 23:45:53 -07:00 committed by Linus Walleij
parent f026fe3d10
commit b1eed4ece7
1 changed files with 6 additions and 7 deletions
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13
drivers/pinctrl/core.c
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@ -518,13 +518,12 @@ static struct pinctrl *pinctrl_get_locked(struct device *dev, const char *name)
*/
pctldev = get_pinctrl_dev_from_devname(map->ctrl_dev_name);
if (!pctldev) {
pr_warning("could not find a pinctrl device for pinmux function %s, fishy, they shall all have one\n",
map->function);
pr_warning("given pinctrl device name: %s",
map->ctrl_dev_name);
/* Continue to check the other mappings anyway... */
continue;
dev_err(dev, "unknown pinctrl device %s in map entry",
map->ctrl_dev_name);
pinmux_put(p);
kfree(p);
/* Eventually, this should trigger deferred probe */
return ERR_PTR(-ENODEV);
}
pr_debug("in map, found pctldev %s to handle function %s",