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path: root/drivers/gpio/gpio-pca953x.c
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Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
-rw-r--r--drivers/gpio/gpio-pca953x.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index e422568..d5d72d8 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -74,6 +74,7 @@ static const struct i2c_device_id pca953x_id[] = {
{ "max7312", 16 | PCA953X_TYPE | PCA_INT, },
{ "max7313", 16 | PCA953X_TYPE | PCA_INT, },
{ "max7315", 8 | PCA953X_TYPE | PCA_INT, },
+ { "max7318", 16 | PCA953X_TYPE | PCA_INT, },
{ "pca6107", 8 | PCA953X_TYPE | PCA_INT, },
{ "tca6408", 8 | PCA953X_TYPE | PCA_INT, },
{ "tca6416", 16 | PCA953X_TYPE | PCA_INT, },
@@ -372,14 +373,15 @@ static void pca953x_gpio_set_multiple(struct gpio_chip *gc,
bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);
- memcpy(reg_val, chip->reg_output, NBANK(chip));
mutex_lock(&chip->i2c_lock);
+ memcpy(reg_val, chip->reg_output, NBANK(chip));
for (bank = 0; bank < NBANK(chip); bank++) {
bank_mask = mask[bank / sizeof(*mask)] >>
((bank % sizeof(*mask)) * 8);
if (bank_mask) {
bank_val = bits[bank / sizeof(*bits)] >>
((bank % sizeof(*bits)) * 8);
+ bank_val &= bank_mask;
reg_val[bank] = (reg_val[bank] & ~bank_mask) | bank_val;
}
}
@@ -607,7 +609,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
if (client->irq && irq_base != -1
&& (chip->driver_data & PCA_INT)) {
-
ret = pca953x_read_regs(chip,
chip->regs->input, chip->irq_stat);
if (ret)
@@ -635,20 +636,20 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return ret;
}
- ret = gpiochip_irqchip_add(&chip->gpio_chip,
- &pca953x_irq_chip,
- irq_base,
- handle_simple_irq,
- IRQ_TYPE_NONE);
+ ret = gpiochip_irqchip_add_nested(&chip->gpio_chip,
+ &pca953x_irq_chip,
+ irq_base,
+ handle_simple_irq,
+ IRQ_TYPE_NONE);
if (ret) {
dev_err(&client->dev,
"could not connect irqchip to gpiochip\n");
return ret;
}
- gpiochip_set_chained_irqchip(&chip->gpio_chip,
- &pca953x_irq_chip,
- client->irq, NULL);
+ gpiochip_set_nested_irqchip(&chip->gpio_chip,
+ &pca953x_irq_chip,
+ client->irq);
}
return 0;
@@ -907,6 +908,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
{ .compatible = "maxim,max7312", .data = OF_953X(16, PCA_INT), },
{ .compatible = "maxim,max7313", .data = OF_953X(16, PCA_INT), },
{ .compatible = "maxim,max7315", .data = OF_953X( 8, PCA_INT), },
+ { .compatible = "maxim,max7318", .data = OF_953X(16, PCA_INT), },
{ .compatible = "ti,pca6107", .data = OF_953X( 8, PCA_INT), },
{ .compatible = "ti,pca9536", .data = OF_953X( 4, 0), },
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