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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 15:59:01 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 15:59:01 +0100 |
commit | a6a1d6485e77f28c11cdf943a3ed2a3fd83ac727 (patch) | |
tree | d9b1948c2c07509f9fab16cd1444de15457c08f4 /drivers/mfd/tps6586x.c | |
parent | Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd (diff) | |
parent | mfd: Push byte swaps out of wm8994 bulk read path (diff) | |
download | linux-a6a1d6485e77f28c11cdf943a3ed2a3fd83ac727.tar.xz linux-a6a1d6485e77f28c11cdf943a3ed2a3fd83ac727.zip |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (90 commits)
mfd: Push byte swaps out of wm8994 bulk read path
mfd: Rename ab8500 gpadc header
mfd: Constify WM8994 write path
mfd: Push byte swap out of WM8994 bulk I/O
mfd: Avoid copying data in WM8994 I2C write
mfd: Remove copy from WM831x I2C write function
mfd: Staticise WM8994 PM ops
regulator: Add a subdriver for TI TPS6105x regulator portions v2
mfd: Add a core driver for TI TPS61050/TPS61052 chips v2
gpio: Add Tunnel Creek support to sch_gpio
mfd: Add Tunnel Creek support to lpc_sch
pci_ids: Add Intel Tunnel Creek LPC Bridge device ID.
regulator: MAX8997/8966 support
mfd: Add WM8994 bulk register write operation
mfd: Append additional read write on 88pm860x
mfd: Adopt mfd_data in 88pm860x input driver
mfd: Adopt mfd_data in 88pm860x regulator
mfd: Adopt mfd_data in 88pm860x led
mfd: Adopt mfd_data in 88pm860x backlight
mfd: Fix MAX8997 Kconfig entry typos
...
Diffstat (limited to 'drivers/mfd/tps6586x.c')
-rw-r--r-- | drivers/mfd/tps6586x.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index e9018d1394ee..0aa9186aec19 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -288,12 +288,10 @@ static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset, return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask); } -static void tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) +static int tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) { - int ret; - if (!gpio_base) - return; + return 0; tps6586x->gpio.owner = THIS_MODULE; tps6586x->gpio.label = tps6586x->client->name; @@ -307,9 +305,7 @@ static void tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) tps6586x->gpio.set = tps6586x_gpio_set; tps6586x->gpio.get = tps6586x_gpio_get; - ret = gpiochip_add(&tps6586x->gpio); - if (ret) - dev_warn(tps6586x->dev, "GPIO registration failed: %d\n", ret); + return gpiochip_add(&tps6586x->gpio); } static int __remove_subdev(struct device *dev, void *unused) @@ -517,17 +513,28 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, } } + ret = tps6586x_gpio_init(tps6586x, pdata->gpio_base); + if (ret) { + dev_err(&client->dev, "GPIO registration failed: %d\n", ret); + goto err_gpio_init; + } + ret = tps6586x_add_subdevs(tps6586x, pdata); if (ret) { dev_err(&client->dev, "add devices failed: %d\n", ret); goto err_add_devs; } - tps6586x_gpio_init(tps6586x, pdata->gpio_base); - return 0; err_add_devs: + if (pdata->gpio_base) { + ret = gpiochip_remove(&tps6586x->gpio); + if (ret) + dev_err(&client->dev, "Can't remove gpio chip: %d\n", + ret); + } +err_gpio_init: if (client->irq) free_irq(client->irq, tps6586x); err_irq_init: @@ -587,4 +594,3 @@ module_exit(tps6586x_exit); MODULE_DESCRIPTION("TPS6586X core driver"); MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>"); MODULE_LICENSE("GPL"); - |