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authorLinus Walleij <linus.walleij@linaro.org>2015-08-13 15:42:55 +0300
committerLinus Walleij <linus.walleij@linaro.org>2015-08-13 15:42:55 +0300
commit5f6f02cd49d61e9856ff2c337578316a1a1b3f88 (patch)
treefd2e6961e8f609af41dd4a282008e1bc52cfa7c7 /drivers/gpio
parent3afa129a9de0957d72165cf08a54e5c69938011c (diff)
parentcbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff)
downloadlinux-5f6f02cd49d61e9856ff2c337578316a1a1b3f88.tar.xz
Merge tag 'v4.2-rc4' into devel
Linux 4.2-rc4
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-brcmstb.c14
-rw-r--r--drivers/gpio/gpio-max732x.c1
-rw-r--r--drivers/gpio/gpio-omap.c5
-rw-r--r--drivers/gpio/gpio-pca953x.c4
-rw-r--r--drivers/gpio/gpio-xilinx.c4
-rw-r--r--drivers/gpio/gpio-zynq.c1
6 files changed, 23 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index 113dc07fbfbe..9ea86d2ac054 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -292,6 +292,15 @@ 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);
@@ -414,6 +423,8 @@ 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);
@@ -434,7 +445,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
priv->parent_irq = -ENOENT;
}
- INIT_LIST_HEAD(&priv->bank_list);
if (brcmstb_gpio_sanity_check_banks(dev, np, res))
return -EINVAL;
@@ -515,8 +525,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n",
num_banks, priv->gpio_base, gpio_base - 1);
- platform_set_drvdata(pdev, priv);
-
return 0;
fail:
diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c
index aed4ca9338bc..7d3c90e9da71 100644
--- a/drivers/gpio/gpio-max732x.c
+++ b/drivers/gpio/gpio-max732x.c
@@ -603,6 +603,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip,
gc->base = gpio_start;
gc->ngpio = port;
gc->label = chip->client->name;
+ gc->dev = &chip->client->dev;
gc->owner = THIS_MODULE;
return port;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index a2ff0eec5b36..dba67b230e98 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -500,8 +500,10 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type)
raw_spin_lock_irqsave(&bank->lock, flags);
retval = omap_set_gpio_triggering(bank, offset, type);
- if (retval)
+ if (retval) {
+ spin_unlock_irqrestore(&bank->lock, flags);
goto error;
+ }
omap_gpio_init_irq(bank, offset);
if (!omap_gpio_is_input(bank, offset)) {
raw_spin_unlock_irqrestore(&bank->lock, flags);
@@ -1185,6 +1187,7 @@ static int omap_gpio_probe(struct platform_device *pdev)
bank->irq = res->start;
bank->dev = dev;
bank->chip.dev = dev;
+ bank->chip.owner = THIS_MODULE;
bank->dbck_flag = pdata->dbck_flag;
bank->stride = pdata->bank_stride;
bank->width = pdata->bank_width;
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index d233eb3b8132..50caeb1ee350 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -570,6 +570,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
"could not connect irqchip to gpiochip\n");
return ret;
}
+
+ gpiochip_set_chained_irqchip(&chip->gpio_chip,
+ &pca953x_irq_chip,
+ client->irq, NULL);
}
return 0;
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 77fe5d3cb105..d5284dfe01fe 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -220,9 +220,9 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc)
if (!chip->gpio_width[1])
return;
- xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_TRI_OFFSET,
+ xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_CHANNEL_OFFSET,
chip->gpio_state[1]);
- xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_TRI_OFFSET,
+ xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_CHANNEL_OFFSET,
chip->gpio_dir[1]);
}
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index bb3aacad4d3b..27348e7cb705 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -757,6 +757,7 @@ static int zynq_gpio_remove(struct platform_device *pdev)
gpiochip_remove(&gpio->chip);
clk_disable_unprepare(gpio->clk);
device_set_wakeup_capable(&pdev->dev, 0);
+ pm_runtime_disable(&pdev->dev);
return 0;
}