Chris Chiu <chiu@xxxxxxxxxxxx> writes: > The RTL8723BU has problems connecting to AP after each warm reboot. > Sometimes it returns no scan result, and in most cases, it fails > the authentication for unknown reason. However, it works totally > fine after cold reboot. > > Compare the value of register SYS_CR and SYS_CLK_MAC_CLK_ENABLE > for cold reboot and warm reboot, the registers imply that the MAC > is already powered and thus some procedures are skipped during > driver initialization. Double checked the vendor driver, it reads > the SYS_CR and SYS_CLK_MAC_CLK_ENABLE also but doesn't skip any > during initialization based on them. This commit only tells the > RTL8723BU to do full initialization without checking MAC status. > > https://phabricator.endlessm.com/T28000 > > Signed-off-by: Chris Chiu <chiu@xxxxxxxxxxxx> If you send a new version of patch mark it as v2 and include a changelog: https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches#patch_version_missing https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches#changelog_missing -- Kalle Valo
