Messages in this thread | | | From | Jes Sorensen <> | Subject | Re: [PATCH] rtl8xxxu: fix RTL8723BU connection failure issue after warm reboot | Date | Tue, 15 Oct 2019 13:47:32 -0400 |
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On 10/15/19 6:19 AM, Chris Chiu wrote: > 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 initilization without checking MAC status. > > Signed-off-by: Chris Chiu <chiu@endlessm.com> > --- > drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 + > drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 1 + > drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 3 +++ > 3 files changed, 5 insertions(+)
Looks good to me! If this takes care of the warm boot problem, that's pretty awesome.
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Jes
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