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author | 2013-03-27 00:12:32 +0900 | |
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committer | 2013-04-09 10:13:59 +0200 | |
commit | f9819739427e6049d2d318743a4a25817018afd4 (patch) | |
tree | e20c54b3e58bf9a8f9314f3124f1db780b141203 /drivers/pinctrl | |
parent | pinctrl: ab8505: Staticize some symbols (diff) | |
download | linux-f9819739427e6049d2d318743a4a25817018afd4.tar.gz linux-f9819739427e6049d2d318743a4a25817018afd4.tar.bz2 linux-f9819739427e6049d2d318743a4a25817018afd4.zip |
pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
The property 'samsung,exynos5440-pins' is optional in configuration nodes
which are included in the Exynos5440 pin-controller device node. Fix the
incorrect failure in driver probe if 'samsung,exynos5440-pins' property
is not found in the configuration nodes.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r-- | drivers/pinctrl/pinctrl-exynos5440.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-exynos5440.c b/drivers/pinctrl/pinctrl-exynos5440.c index eb8e502e11ef..7126b7db86c5 100644 --- a/drivers/pinctrl/pinctrl-exynos5440.c +++ b/drivers/pinctrl/pinctrl-exynos5440.c @@ -670,8 +670,10 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, ret = exynos5440_pinctrl_parse_dt_pins(pdev, cfg_np, &pin_list, &npins); - if (ret) - return ret; + if (ret) { + gname = NULL; + goto skip_to_pin_function; + } /* derive pin group name from the node name */ gname = devm_kzalloc(dev, strlen(cfg_np->name) + GSUFFIX_LEN, @@ -687,6 +689,7 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, grp->num_pins = npins; grp++; +skip_to_pin_function: ret = of_property_read_u32(cfg_np, "samsung,exynos5440-pin-function", &function); if (ret) @@ -709,7 +712,7 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, return -ENOMEM; } func->groups[0] = gname; - func->num_groups = 1; + func->num_groups = gname ? 1 : 0; func->function = function; func++; func_idx++; |