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i2c / ACPI: Use 0 to indicate that device does not have interrupt assigned 

This is the convention used in most parts of the kernel including DT
counterpart of I2C slave enumeration. To make things consistent do the same
for ACPI I2C slave enumeration path as well.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Mika Westerberg 2015-05-06 13:29:07 +03:00 committed by Linus Walleij
parent 8864afaa63
commit dab472eb93
1 changed files with 1 additions and 2 deletions
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3
drivers/i2c/i2c-core.c
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@ -107,7 +107,7 @@ static int acpi_i2c_add_resource(struct acpi_resource *ares, void *data)
if (sb->access_mode == ACPI_I2C_10BIT_MODE)
info->flags |= I2C_CLIENT_TEN;
}
} else if (info->irq < 0) {
} else if (!info->irq) {
struct resource r;
if (acpi_dev_resource_interrupt(ares, 0, &r))
@ -134,7 +134,6 @@ static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
memset(&info, 0, sizeof(info));
info.fwnode = acpi_fwnode_handle(adev);
info.irq = -1;
INIT_LIST_HEAD(&resource_list);
ret = acpi_dev_get_resources(adev, &resource_list,