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Groups > linux.kernel > #1585137
| From | Gerd Hoffmann <kraxel@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 6/7] ARM: dts: bcm283x: switch from &sdhci to &sdhost |
| Date | 2017-02-21 10:10 +0100 |
| Message-ID | <tdeCl-t4-1@gated-at.bofh.it> (permalink) |
| References | <tdeCl-t4-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
sdcard access with the sdhost controller is faster.
Read access (dd with 64k blocks on rpi2):
CONFIG_MMC_SDHCI_IPROC: 11-12 MB/s
CONFIG_MMC_BCM2835: 19-20 MB/s
Differences on write access are pretty much in the noise.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Eric Anholt <eric@anholt.net>
---
arch/arm/boot/dts/bcm2835-rpi.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index 7d89af2..e6beecb 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -65,13 +65,13 @@
&sdhci {
pinctrl-names = "default";
pinctrl-0 = <&emmc_gpio48>;
- status = "okay";
bus-width = <4>;
};
&sdhost {
pinctrl-names = "default";
pinctrl-0 = <&sdhost_gpio48>;
+ status = "okay";
bus-width = <4>;
};
--
1.8.3.1
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[PATCH v3 6/7] ARM: dts: bcm283x: switch from &sdhci to &sdhost Gerd Hoffmann <kraxel@redhat.com> - 2017-02-21 10:10 +0100
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