[edk2-devel] [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan hispeed mode

[Samer El-Haj-Mahmoud]

+ Ard’s new e-mail address

> -----Original Message-----
> From: Pete Batard <pete at akeo.ie>
> Sent: Thursday, April 8, 2021 5:48 AM
> To: Jeremy Linton <Jeremy.Linton at arm.com>; devel at edk2.groups.io
> Cc: Ard Biesheuvel <Ard.Biesheuvel at arm.com>; leif at nuviainc.com; Samer
> El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>; Andrei Warkentin
> (awarkentin at vmware.com) <awarkentin at vmware.com>
> Subject: Re: [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan
> hispeed mode
>
> On 2021.04.08 06:58, Jeremy Linton wrote:
> > The arasan caps registers are no longer being overridden by the brcm
> > iproc driver, so we should be assuring that the "High Speed Support"
> > bit 21 is set in the capability register. This significantly improves
> > the wifi perf using linux.
> >
> > Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
> > ---
> >   Platform/RaspberryPi/AcpiTables/Sdhc.asl | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Platform/RaspberryPi/AcpiTables/Sdhc.asl
> > b/Platform/RaspberryPi/AcpiTables/Sdhc.asl
> > index 0430ab7d2d..42776e33bb 100644
> > --- a/Platform/RaspberryPi/AcpiTables/Sdhc.asl
> > +++ b/Platform/RaspberryPi/AcpiTables/Sdhc.asl
> > @@ -52,7 +52,7 @@ Device (SDC1)
> >     Name (_DSD, Package () {
> >
> >       ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
> >
> >       Package () {
> >
> > -      Package () { "sdhci-caps", 0x0100fa81 },
> >
> > +      Package () { "sdhci-caps", 0x0120fa81 },
> >
> >       }
> >
> >     })
> >
> >
> >
>
> Reviewed-by: Pete Batard <pete at akeo.ie>
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