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

[Andrei Warkentin]

Reviewed-by: Andrei Warkentin <awarkentin at vmware.com>
________________________________
From: Pete Batard <pete at akeo.ie>
Sent: Thursday, April 8, 2021 4:48 AM
To: Jeremy Linton <jeremy.linton at arm.com>; devel at edk2.groups.io <devel at edk2.groups.io>
Cc: ard.biesheuvel at arm.com <ard.biesheuvel at arm.com>; leif at nuviainc.com <leif at nuviainc.com>; samer.el-haj-mahmoud at arm.com <samer.el-haj-mahmoud at arm.com>; Andrei Warkentin <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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