diff mbox

[23/32] ARM: bcm2835: Enable SDHOST by default.

Message ID 1464817421-8519-24-git-send-email-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gerd Hoffmann June 1, 2016, 9:43 p.m. UTC 
From: Eric Anholt <eric@anholt.net>

This improves read speed on my SD card (as reported by hdparm -t) from
10.15MB/sec to 16.70MB/sec.  Once we add slave DMA, we can get to
18.45MB/sec.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 arch/arm/boot/dts/bcm2835-rpi.dtsi | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index a207693..97496cd 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -65,8 +65,16 @@ 
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_gpio48>;
 
+	bus-width = <4>;
+};
+
+&sdhost {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdhost_gpio48>;
+
+	bus-width = <4>;
+
 	status = "okay";
-	bus-width = <4>;
 };
 
 &pwm {