Re: [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan hispeed mode

["Samer El-Haj-Mahmoud" <samer.el-haj-mahmoud@arm.com>]

+ Ard's new e-mail address

> -----Original Message-----
> From: Jeremy Linton <jeremy.linton@arm.com>
> Sent: Thursday, April 8, 2021 1:59 AM
> To: devel@edk2.groups.io
> Cc: Ard Biesheuvel <Ard.Biesheuvel@arm.com>; leif@nuviainc.com;
> pete@akeo.ie; Samer El-Haj-Mahmoud <Samer.El-Haj-
> Mahmoud@arm.com>; Andrei Warkentin (awarkentin@vmware.com)
> <awarkentin@vmware.com>; Jeremy Linton <Jeremy.Linton@arm.com>
> Subject: [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan
> hispeed mode
>
> 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@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 },     }   }) --
> 2.13.7

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