diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2015-06-09 07:01:16 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-06-10 15:49:52 +0300 |
| commit | 323de9efdf3e75d1dfb48003a52e59d6d9d4c7a5 (patch) | |
| tree | 2dbda67827f15a22bfd1b2cc209307264f0c69a3 /drivers/pinctrl/nomadik | |
| parent | e73ac02dc132dcef1add62a1fac3e77a7ce17371 (diff) | |
| download | linux-323de9efdf3e75d1dfb48003a52e59d6d9d4c7a5.tar.xz | |
pinctrl: make pinctrl_register() return proper error code
Currently, pinctrl_register() just returns NULL on error, so the
callers can not know the exact reason of the failure.
Some of the pinctrl drivers return -EINVAL, some -ENODEV, and some
-ENOMEM on error of pinctrl_register(), although the error code
might be different from the real cause of the error.
This commit reworks pinctrl_register() to return the appropriate
error code and modifies all of the pinctrl drivers to use IS_ERR()
for the error checking and PTR_ERR() for getting the error code.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Ray Jui <rjui@broadcom.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
Acked-by: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/nomadik')
| -rw-r--r-- | drivers/pinctrl/nomadik/pinctrl-abx500.c | 4 | ||||
| -rw-r--r-- | drivers/pinctrl/nomadik/pinctrl-nomadik.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 15ccafd74dc6..557d0f2a3031 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -1235,10 +1235,10 @@ static int abx500_gpio_probe(struct platform_device *pdev) abx500_pinctrl_desc.pins = pct->soc->pins; abx500_pinctrl_desc.npins = pct->soc->npins; pct->pctldev = pinctrl_register(&abx500_pinctrl_desc, &pdev->dev, pct); - if (!pct->pctldev) { + if (IS_ERR(pct->pctldev)) { dev_err(&pdev->dev, "could not register abx500 pinctrl driver\n"); - ret = -EINVAL; + ret = PTR_ERR(pct->pctldev); goto out_rem_chip; } dev_info(&pdev->dev, "registered pin controller\n"); diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index 2589304e76d1..809d88445db5 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -2029,9 +2029,9 @@ static int nmk_pinctrl_probe(struct platform_device *pdev) npct->dev = &pdev->dev; npct->pctl = pinctrl_register(&nmk_pinctrl_desc, &pdev->dev, npct); - if (!npct->pctl) { + if (IS_ERR(npct->pctl)) { dev_err(&pdev->dev, "could not register Nomadik pinctrl driver\n"); - return -EINVAL; + return PTR_ERR(npct->pctl); } /* We will handle a range of GPIO pins */ |