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| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-11-04 08:53:13 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-11-05 12:40:47 +0000 |
| commit | 615ab90db3a42000c477dd83567552d329adc227 (patch) | |
| tree | c45f512d47e511adee650ded95aff6dcc206693f /Documentation/acpi/gpio.md | |
| parent | 81beeae96034af5a4112180fba6e3a9a7ce4b42f (diff) | |
Documentation/acpi/gpio.md: Update implementation details
The weak functions were removed in bce7458 "acpi/acpigen.c: Remove weak gpio definition".
Change-Id: Ia6e51698d6209fbf4f59b7fbc988a1aa696e366f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58933
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'Documentation/acpi/gpio.md')
| -rw-r--r-- | Documentation/acpi/gpio.md | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/Documentation/acpi/gpio.md b/Documentation/acpi/gpio.md index 470a55fa45..2d38f99582 100644 --- a/Documentation/acpi/gpio.md +++ b/Documentation/acpi/gpio.md @@ -84,15 +84,6 @@ the raw Rx gpio value. ## Implementation Details -ACPI library in coreboot will provide weak definitions for all the -above functions with error messages indicating that these functions -are being used. This allows drivers to conditionally make use of GPIOs -based on device-tree entries or any other config option. It is -recommended that the SoC code in coreboot should provide -implementations of all the above functions generating ACPI AML code -irrespective of them being used in any driver. This allows mainboards -to use any drivers and take advantage of this common infrastructure. - Platforms are restricted to using Local5, Local6 and Local7 variables only in implementations of the above functions. Any AML methods called by the above functions do not have any such restrictions on use of |