Merge branch 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6 into grant
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
commit
5e67cc4041
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@ -98,12 +98,11 @@ static int pca953x_write_reg(struct pca953x_chip *chip, int reg, u32 val)
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if (chip->gpio_chip.ngpio <= 8)
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ret = i2c_smbus_write_byte_data(chip->client, reg, val);
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else if (chip->gpio_chip.ngpio == 24) {
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ret = i2c_smbus_write_word_data(chip->client,
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cpu_to_le32s(&val);
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ret = i2c_smbus_write_i2c_block_data(chip->client,
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(reg << 2) | REG_ADDR_AI,
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val & 0xffff);
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ret = i2c_smbus_write_byte_data(chip->client,
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(reg << 2) + 2,
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(val & 0xff0000) >> 16);
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3,
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(u8 *) &val);
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}
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else {
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switch (chip->chip_type) {
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@ -135,22 +134,27 @@ static int pca953x_read_reg(struct pca953x_chip *chip, int reg, u32 *val)
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{
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int ret;
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if (chip->gpio_chip.ngpio <= 8)
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if (chip->gpio_chip.ngpio <= 8) {
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ret = i2c_smbus_read_byte_data(chip->client, reg);
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else if (chip->gpio_chip.ngpio == 24) {
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ret = i2c_smbus_read_word_data(chip->client, reg << 2);
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ret |= (i2c_smbus_read_byte_data(chip->client,
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(reg << 2) + 2)<<16);
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*val = ret;
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}
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else
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else if (chip->gpio_chip.ngpio == 24) {
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*val = 0;
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ret = i2c_smbus_read_i2c_block_data(chip->client,
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(reg << 2) | REG_ADDR_AI,
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3,
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(u8 *) val);
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le32_to_cpus(val);
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} else {
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ret = i2c_smbus_read_word_data(chip->client, reg << 1);
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*val = ret;
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}
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if (ret < 0) {
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dev_err(&chip->client->dev, "failed reading register\n");
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return ret;
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}
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*val = (u32)ret;
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return 0;
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}
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@ -21,7 +21,7 @@
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#include <linux/of_gpio.h>
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#include <linux/slab.h>
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/* Private data structure for of_gpiochip_is_match */
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/* Private data structure for of_gpiochip_find_and_xlate */
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struct gg_data {
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enum of_gpio_flags *flags;
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struct of_phandle_args gpiospec;
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