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drivers/wifi: Drop maxsleep parameter from chip config

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This change drops maxsleep parameter from chip config and instead
hardcodes the deepest sleep state from which the WiFi device can wake
the system up from to SLP_TYP_S3. This is similar to how other device
drivers in coreboot report _PRW property in ACPI. It relieves the
users from adding another register attribute to devicetree since all
mainboards configure the same value. If this changes in the future, it
should be easy to bring the maxsleep config parameter back.

BUG=b:169802515
BRANCH=zork

Change-Id: I42131fced008da0d51f0f777b7f2d99deaf68827
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46033
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Furquan Shaikh
2020-10-04 12:13:07 -07:00
parent 54b2716990
commit 0af1926353
6 changed files with 3 additions and 10 deletions
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2
src/drivers/wifi/generic/generic.c
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@ -189,7 +189,7 @@ void wifi_generic_fill_ssdt(const struct device *dev,
/* Wake capabilities */
if (config)
acpigen_write_PRW(config->wake, config->maxsleep);
acpigen_write_PRW(config->wake, ACPI_S3);
/* Fill regulatory domain structure */
if (CONFIG(HAVE_REGULATORY_DOMAIN)) {