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Last minute GPIO fixes for the v3.7 series: 

- Disable blinking on the Orion GPIO driver
 - Two Kconfig-style fixes to avoid broken builds
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Merge tag 'gpio-fixes-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull last minute GPIO fixes from Linus Walleij:

 - Disable blinking on the Orion GPIO driver

 - Two Kconfig-style fixes to avoid broken builds

* tag 'gpio-fixes-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio-mcp23s08: Build I2C support even when CONFIG_I2C=m
  gpio: adnp: Depend on OF_GPIO instead of OF
  mvebu-gpio: Disable blinking when enabling a GPIO for output
This commit is contained in:
Linus Torvalds 2012-11-18 08:32:59 -10:00
parent d28d3730fd cbf24fad8e
commit 5ad27d6ca5
3 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpio/Kconfig
View File

@ -466,7 +466,7 @@ config GPIO_ADP5588_IRQ
config GPIO_ADNP
tristate "Avionic Design N-bit GPIO expander"
depends on I2C && OF
depends on I2C && OF_GPIO
help
This option enables support for N GPIOs found on Avionic Design
I2C GPIO expanders. The register space will be extended by powers

6
drivers/gpio/gpio-mcp23s08.c
View File

@ -77,7 +77,7 @@ struct mcp23s08_driver_data {
/*----------------------------------------------------------------------*/
#ifdef CONFIG_I2C
#if IS_ENABLED(CONFIG_I2C)
static int mcp23008_read(struct mcp23s08 *mcp, unsigned reg)
{
@ -399,7 +399,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
break;
#endif /* CONFIG_SPI_MASTER */
#ifdef CONFIG_I2C
#if IS_ENABLED(CONFIG_I2C)
case MCP_TYPE_008:
mcp->ops = &mcp23008_ops;
mcp->chip.ngpio = 8;
@ -473,7 +473,7 @@ fail:
/*----------------------------------------------------------------------*/
#ifdef CONFIG_I2C
#if IS_ENABLED(CONFIG_I2C)
static int __devinit mcp230xx_probe(struct i2c_client *client,
const struct i2c_device_id *id)

23
drivers/gpio/gpio-mvebu.c
View File

@ -92,6 +92,11 @@ static inline void __iomem *mvebu_gpioreg_out(struct mvebu_gpio_chip *mvchip)
return mvchip->membase + GPIO_OUT_OFF;
}
static inline void __iomem *mvebu_gpioreg_blink(struct mvebu_gpio_chip *mvchip)
{
return mvchip->membase + GPIO_BLINK_EN_OFF;
}
static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip)
{
return mvchip->membase + GPIO_IO_CONF_OFF;
@ -206,6 +211,23 @@ static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin)
return (u >> pin) & 1;
}
static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
unsigned long flags;
u32 u;
spin_lock_irqsave(&mvchip->lock, flags);
u = readl_relaxed(mvebu_gpioreg_blink(mvchip));
if (value)
u |= 1 << pin;
else
u &= ~(1 << pin);
writel_relaxed(u, mvebu_gpioreg_blink(mvchip));
spin_unlock_irqrestore(&mvchip->lock, flags);
}
static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
@ -244,6 +266,7 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin,
if (ret)
return ret;
mvebu_gpio_blink(chip, pin, 0);
mvebu_gpio_set(chip, pin, value);
spin_lock_irqsave(&mvchip->lock, flags);