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Linux 4.16-rc5

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Merge tag 'v4.16-rc5' into devel

Linux 4.16-rc5 merged into the GPIO devel branch to resolve
a nasty conflict between fixes and devel in the RCAR driver.

Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Linus Walleij 2018-03-18 17:48:59 +01:00
commit 95260c17b2
1242 changed files with 13451 additions and 8414 deletions
Download patch file Download diff file Expand all files Collapse all files

28
drivers/gpio/gpio-rcar.c
View file

@ -14,7 +14,6 @@
* GNU General Public License for more details.
*/
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/init.h>
@ -47,10 +46,9 @@ struct gpio_rcar_priv {
struct platform_device *pdev;
struct gpio_chip gpio_chip;
struct irq_chip irq_chip;
struct clk *clk;
unsigned int irq_parent;
atomic_t wakeup_path;
bool has_both_edge_trigger;
bool needs_clk;
struct gpio_rcar_bank_info bank_info;
};
@ -197,13 +195,10 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
}
}
if (!p->clk)
return 0;
if (on)
clk_enable(p->clk);
atomic_inc(&p->wakeup_path);
else
clk_disable(p->clk);
atomic_dec(&p->wakeup_path);
return 0;
}
@ -341,17 +336,14 @@ static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset,
struct gpio_rcar_info {
bool has_both_edge_trigger;
bool needs_clk;
};
static const struct gpio_rcar_info gpio_rcar_info_gen1 = {
.has_both_edge_trigger = false,
.needs_clk = false,
};
static const struct gpio_rcar_info gpio_rcar_info_gen2 = {
.has_both_edge_trigger = true,
.needs_clk = true,
};
static const struct of_device_id gpio_rcar_of_table[] = {
@ -414,7 +406,6 @@ static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins)
ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args);
*npins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK;
p->has_both_edge_trigger = info->has_both_edge_trigger;
p->needs_clk = info->needs_clk;
if (*npins == 0 || *npins > RCAR_MAX_GPIO_PER_BANK) {
dev_warn(&p->pdev->dev,
@ -451,16 +442,6 @@ static int gpio_rcar_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, p);
p->clk = devm_clk_get(dev, NULL);
if (IS_ERR(p->clk)) {
if (p->needs_clk) {
dev_err(dev, "unable to get clock\n");
ret = PTR_ERR(p->clk);
goto err0;
}
p->clk = NULL;
}
pm_runtime_enable(dev);
irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@ -556,6 +537,9 @@ static int gpio_rcar_suspend(struct device *dev)
if (p->has_both_edge_trigger)
p->bank_info.bothedge = gpio_rcar_read(p, BOTHEDGE);
if (atomic_read(&p->wakeup_path))
device_set_wakeup_path(dev);
return 0;
}

15
drivers/gpio/gpiolib-of.c
View file

@ -241,6 +241,19 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx,
&of_flags);
/*
* -EPROBE_DEFER in our case means that we found a
* valid GPIO property, but no controller has been
* registered so far.
*
* This means we don't need to look any further for
* alternate name conventions, and we should really
* preserve the return code for our user to be able to
* retry probing later.
*/
if (IS_ERR(desc) && PTR_ERR(desc) == -EPROBE_DEFER)
return desc;
if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT))
break;
}
@ -250,7 +263,7 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
desc = of_find_spi_gpio(dev, con_id, &of_flags);
/* Special handling for regulator GPIOs if used */
if (IS_ERR(desc))
if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER)
desc = of_find_regulator_gpio(dev, con_id, &of_flags);
if (IS_ERR(desc))