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

Samer El-Haj-Mahmoud

+ Ard's new e-mail address

-----Original Message-----
From: Jeremy Linton <jeremy.linton@...>
Sent: Thursday, April 8, 2021 1:59 AM
Cc: Ard Biesheuvel <Ard.Biesheuvel@...>; leif@...;
pete@...; Samer El-Haj-Mahmoud <Samer.El-Haj-
Mahmoud@...>; Andrei Warkentin (awarkentin@...)
<awarkentin@...>; Jeremy Linton <Jeremy.Linton@...>
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@...>
Platform/RaspberryPi/AcpiTables/Sdhc.asl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/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 }, } }) --
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