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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2016-02-01 23:48:23 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-02-13 23:51:45 +0100
commit7864d92621b6897595fa698b27240828592ebd71 (patch)
tree6cd818eda86f50f6af50defe4740965c3f7c79f6 /drivers
parent111f2b87326199a736c3469265763a6be6e5528f (diff)
downloadblackbird-obmc-linux-7864d92621b6897595fa698b27240828592ebd71.tar.gz
blackbird-obmc-linux-7864d92621b6897595fa698b27240828592ebd71.zip
pinctrl: mvebu: fix num_settings in mpp group assignment
When assigning mpp settings from static mpp modes to mpp groups, we do not want any groups that have no supported setting for a specific Kirkwood variant. However, when there is at least a single supported setting, we need to assign the number of all settings in this mode to grp->num_settings as we are reusing the static modes table. Fixes: 0581b16b1840 ("pinctrl: mvebu: complain about missing group after checking variant") Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-mvebu.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index e4d473811bb3..3ef798fac81b 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -666,16 +666,19 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
struct mvebu_mpp_ctrl_setting *set = &mode->settings[0];
struct mvebu_pinctrl_group *grp;
unsigned num_settings;
+ unsigned supp_settings;
- for (num_settings = 0; ; set++) {
+ for (num_settings = 0, supp_settings = 0; ; set++) {
if (!set->name)
break;
+ num_settings++;
+
/* skip unsupported settings for this variant */
if (pctl->variant && !(pctl->variant & set->variant))
continue;
- num_settings++;
+ supp_settings++;
/* find gpio/gpo/gpi settings */
if (strcmp(set->name, "gpio") == 0)
@@ -688,7 +691,7 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
}
/* skip modes with no settings for this variant */
- if (!num_settings)
+ if (!supp_settings)
continue;
grp = mvebu_pinctrl_find_group_by_pid(pctl, mode->pid);
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