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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-02-28 23:39:34 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-03-03 20:34:45 +0100 |
| commit | 6bf87c4de91ca31f829587f69cd8ea13576a483d (patch) | |
| tree | 1647b83d191eb9f04cfa0a8c8419dd5702af8454 /Documentation/firmware-guide | |
| parent | ACPI: docs: enumeration: Amend PWM enumeration ASL example (diff) | |
| download | linux-6bf87c4de91ca31f829587f69cd8ea13576a483d.tar.xz linux-6bf87c4de91ca31f829587f69cd8ea13576a483d.zip | |
ACPI: docs: enumeration: Drop ugly ifdeffery from the examples
The ifdeffery around ACPI ID tables are ugly and in some cases
even less valuable than plain definitions. Drop them for good
to avoid spreading rather bad pattern.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation/firmware-guide')
| -rw-r--r-- | Documentation/firmware-guide/acpi/enumeration.rst | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/Documentation/firmware-guide/acpi/enumeration.rst b/Documentation/firmware-guide/acpi/enumeration.rst index 7a5095901153..caa9a5e508b2 100644 --- a/Documentation/firmware-guide/acpi/enumeration.rst +++ b/Documentation/firmware-guide/acpi/enumeration.rst @@ -47,18 +47,16 @@ some minor changes. Adding ACPI support for an existing driver should be pretty straightforward. Here is the simplest example:: - #ifdef CONFIG_ACPI static const struct acpi_device_id mydrv_acpi_match[] = { /* ACPI IDs here */ { } }; MODULE_DEVICE_TABLE(acpi, mydrv_acpi_match); - #endif static struct platform_driver my_driver = { ... .driver = { - .acpi_match_table = ACPI_PTR(mydrv_acpi_match), + .acpi_match_table = mydrv_acpi_match, }, }; @@ -173,18 +171,16 @@ The SPI device drivers only need to add ACPI IDs in a similar way than with the platform device drivers. Below is an example where we add ACPI support to at25 SPI eeprom driver (this is meant for the above ACPI snippet):: - #ifdef CONFIG_ACPI static const struct acpi_device_id at25_acpi_match[] = { { "AT25", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, at25_acpi_match); - #endif static struct spi_driver at25_driver = { .driver = { ... - .acpi_match_table = ACPI_PTR(at25_acpi_match), + .acpi_match_table = at25_acpi_match, }, }; @@ -232,20 +228,18 @@ registered. Below is an example of how to add ACPI support to the existing mpu3050 input driver:: - #ifdef CONFIG_ACPI static const struct acpi_device_id mpu3050_acpi_match[] = { { "MPU3050", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, mpu3050_acpi_match); - #endif static struct i2c_driver mpu3050_i2c_driver = { .driver = { .name = "mpu3050", .pm = &mpu3050_pm, .of_match_table = mpu3050_of_match, - .acpi_match_table = ACPI_PTR(mpu3050_acpi_match), + .acpi_match_table = mpu3050_acpi_match, }, .probe = mpu3050_probe, .remove = mpu3050_remove, |