On Sun, Feb 23, 2020 at 11:26 AM Chen-Yu Tsai <[email protected]> wrote:
>
> Hi,
>
>
> On Sun, Feb 23, 2020 at 6:32 AM Ondrej Jirman <[email protected]> wrote:
> >
> > It just causes a constant rate of 5000 interrupts per second for both
> > GPIO and MMC, even if nothing is happening. Rely on in-band interrupts
> > instead.
> >
> > Fixes: 0e23372080def7bb ("arm: dts: sun8i: Add the TBS A711 tablet
> > devicetree")
> > Signed-off-by: Ondrej Jirman <[email protected]>
>
> What WiFi chip/module does this use? It might be worth asking Broadcom
> people to help with this and fix the driver.
Based on the comments in the device tree file, it uses an AP6210, which
is a BCM43362 inside for SDIO-based WiFi. There is a recent fix in 5.6-rc1
for this,
8c8e60fb86a9 brcmfmac: sdio: Fix OOB interrupt initialization on brcm43362
which seems to fix things for me. Could you try it on your end?
ChenYu
> ChenYu
>
> > ---
> > arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 3 ---
> > 1 file changed, 3 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> > b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> > index 2fd31a0a0b344..ee5ce3556b2ad 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> > +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> > @@ -214,9 +214,6 @@ &mmc1 {
> > brcmf: wifi@1 {
> > reg = <1>;
> > compatible = "brcm,bcm4329-fmac";
> > - interrupt-parent = <&r_pio>;
> > - interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
> > - interrupt-names = "host-wake";
> > };
> > };
> >
> > --
> > 2.25.1
> >
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