Re: [PATCH v4 5/7] arm64: set CONFIG_MMC_BCM2835=y in defconfig

Ulf Hansson
2017-03-17T07:44:08Z

- trimmed cc list

On 8 March 2017 at 10:19, Gerd Hoffmann <kraxel@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@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
> CONFIG_MMC_DW_K3=y
> CONFIG_MMC_DW_ROCKCHIP=y
> CONFIG_MMC_SUNXI=y
> +CONFIG_MMC_BCM2835=y
> CONFIG_NEW_LEDS=y
> CONFIG_LEDS_CLASS=y
> CONFIG_LEDS_GPIO=y
> --
> 1.8.3.1
>
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
soc
folkz, like Catalin/Will.

Kind regards
Uffe