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gpio updates for v5.19-rc1

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- use the correct register for regcache sync in gpio-pca953x
 - remove unused and potentially harmful code from gpio-adp5588
 - MAINTAINERS update
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Merge tag 'gpio-fixes-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - use the correct register for regcache sync in gpio-pca953x

 - remove unused and potentially harmful code from gpio-adp5588

 - MAINTAINERS update

* tag 'gpio-fixes-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: adp5588: Remove support for platform setup and teardown callbacks
  gpio: pca953x: use the correct register address to do regcache sync
  MAINTAINERS: Update Intel GPIO (PMIC and PCH) to Supported
  MAINTAINERS: Update GPIO ACPI library to Supported
This commit is contained in:
Linus Torvalds 2022-06-03 20:01:25 -07:00
commit 032dcf09e2
3 changed files with 14 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
MAINTAINERS
View File

@ -8422,7 +8422,7 @@ M: Mika Westerberg <mika.westerberg@linux.intel.com>
M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
L: linux-gpio@vger.kernel.org
L: linux-acpi@vger.kernel.org
S: Maintained
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F: Documentation/firmware-guide/acpi/gpio-properties.rst
F: drivers/gpio/gpiolib-acpi.c
@ -9887,7 +9887,7 @@ F: drivers/video/fbdev/intelfb/
INTEL GPIO DRIVERS
M: Andy Shevchenko <andy@kernel.org>
L: linux-gpio@vger.kernel.org
S: Maintained
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F: drivers/gpio/gpio-ich.c
F: drivers/gpio/gpio-merrifield.c
@ -10108,7 +10108,7 @@ F: drivers/platform/x86/intel/pmc/
INTEL PMIC GPIO DRIVERS
M: Andy Shevchenko <andy@kernel.org>
S: Maintained
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F: drivers/gpio/gpio-*cove.c

19
drivers/gpio/gpio-adp5588.c
View File

@ -406,12 +406,6 @@ static int adp5588_gpio_probe(struct i2c_client *client)
if (ret)
return ret;
if (pdata && pdata->setup) {
ret = pdata->setup(client, gc->base, gc->ngpio, pdata->context);
if (ret < 0)
dev_warn(&client->dev, "setup failed, %d\n", ret);
}
i2c_set_clientdata(client, dev);
return 0;
@ -419,20 +413,7 @@ static int adp5588_gpio_probe(struct i2c_client *client)
static int adp5588_gpio_remove(struct i2c_client *client)
{
struct adp5588_gpio_platform_data *pdata =
dev_get_platdata(&client->dev);
struct adp5588_gpio *dev = i2c_get_clientdata(client);
int ret;
if (pdata && pdata->teardown) {
ret = pdata->teardown(client,
dev->gpio_chip.base, dev->gpio_chip.ngpio,
pdata->context);
if (ret < 0) {
dev_err(&client->dev, "teardown failed %d\n", ret);
return ret;
}
}
if (dev->client->irq)
free_irq(dev->client->irq, dev);

19
drivers/gpio/gpio-pca953x.c
View File

@ -1120,20 +1120,21 @@ static int pca953x_regcache_sync(struct device *dev)
{
struct pca953x_chip *chip = dev_get_drvdata(dev);
int ret;
u8 regaddr;
/*
* The ordering between direction and output is important,
* sync these registers first and only then sync the rest.
*/
ret = regcache_sync_region(chip->regmap, chip->regs->direction,
chip->regs->direction + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, chip->regs->direction, 0);
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
if (ret) {
dev_err(dev, "Failed to sync GPIO dir registers: %d\n", ret);
return ret;
}
ret = regcache_sync_region(chip->regmap, chip->regs->output,
chip->regs->output + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, chip->regs->output, 0);
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
if (ret) {
dev_err(dev, "Failed to sync GPIO out registers: %d\n", ret);
return ret;
@ -1141,16 +1142,18 @@ static int pca953x_regcache_sync(struct device *dev)
#ifdef CONFIG_GPIO_PCA953X_IRQ
if (chip->driver_data & PCA_PCAL) {
ret = regcache_sync_region(chip->regmap, PCAL953X_IN_LATCH,
PCAL953X_IN_LATCH + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, PCAL953X_IN_LATCH, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip));
if (ret) {
dev_err(dev, "Failed to sync INT latch registers: %d\n",
ret);
return ret;
}
ret = regcache_sync_region(chip->regmap, PCAL953X_INT_MASK,
PCAL953X_INT_MASK + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, PCAL953X_INT_MASK, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip));
if (ret) {
dev_err(dev, "Failed to sync INT mask registers: %d\n",
ret);