[PATCH v4 5/7] arm64: set CONFIG_MMC_BCM2835=y in defconfig
ulf.hansson at linaro.org
Fri Mar 17 00:44:08 PDT 2017
- trimmed cc list
On 8 March 2017 at 10:19, Gerd Hoffmann <kraxel at redhat.com> wrote:
> We need to enable this controller so that we can switch the SD card's
> pinmux over to it by default, which will improve storage performance.
> 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 at redhat.com>
> arch/arm64/configs/defconfig | 1 +
> 1 file changed, 1 insertion(+)
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 7c48028..519a55c 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -398,6 +398,7 @@ CONFIG_MMC_DW_EXYNOS=y
Normally this change should go via the arm64 tree. However as the new
CONFIG_MMC_BCM2835 is added in this series, perhaps it makes sense to
that I pick it up. In such case I need an ack from some of the arm64
folkz, like Catalin/Will.
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