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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-08-06 15:27:09 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-08-06 15:27:09 +0300
commit06059d5090118b047c5b6a621c8b57a068f7ce2c (patch)
tree47431df1c04c02dfb7ecea479321142c56ad17cc /drivers/gpio/gpio-brcmstb.c
parent80aa93128653c5f2502053c0d9740b336d975667 (diff)
parent8c10342cb48f3140d9abeadcfd2fa6625d447282 (diff)
downloadlinux-06059d5090118b047c5b6a621c8b57a068f7ce2c.tar.xz
Merge tag 'topic/drm-misc-2015-07-28' into drm-intel-next-queued
We need a few core drm patches to be able to merge Maarten's series to convert DPMS over to atomic. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpio/gpio-brcmstb.c')
-rw-r--r--drivers/gpio/gpio-brcmstb.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index 7a3cb1fa0a76..4630a8133ea6 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -87,6 +87,15 @@ static int brcmstb_gpio_remove(struct platform_device *pdev)
struct brcmstb_gpio_bank *bank;
int ret = 0;
+ if (!priv) {
+ dev_err(&pdev->dev, "called %s without drvdata!\n", __func__);
+ return -EFAULT;
+ }
+
+ /*
+ * You can lose return values below, but we report all errors, and it's
+ * more important to actually perform all of the steps.
+ */
list_for_each(pos, &priv->bank_list) {
bank = list_entry(pos, struct brcmstb_gpio_bank, node);
ret = bgpio_remove(&bank->bgc);
@@ -143,6 +152,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ platform_set_drvdata(pdev, priv);
+ INIT_LIST_HEAD(&priv->bank_list);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg_base = devm_ioremap_resource(dev, res);
@@ -153,7 +164,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
priv->reg_base = reg_base;
priv->pdev = pdev;
- INIT_LIST_HEAD(&priv->bank_list);
if (brcmstb_gpio_sanity_check_banks(dev, np, res))
return -EINVAL;
@@ -221,8 +231,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n",
priv->num_banks, priv->gpio_base, gpio_base - 1);
- platform_set_drvdata(pdev, priv);
-
return 0;
fail: