linux-kernel - Re: [PATCH] ARM: exynos_defconfig: Use 16 minors per MMC block device

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Date:	Wed, 19 Nov 2014 16:56:44 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
CC:	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH] ARM: exynos_defconfig: Use 16 minors per MMC block device

On 11/14/14 20:58, Krzysztof Kozlowski wrote:
> 16 minors per MMC block device are required to boot Rinato (Gear 2)
> board because up to 15 partitions are used.
> 
> With default 8 minors booting failed with:
> [    1.329092] mmcblk0: mmc0:0001 F5X5MA 3.64 GiB
> [    1.329448] mmcblk0boot0: mmc0:0001 F5X5MA partition 1 4.00 MiB
> [    1.329627] mmcblk0boot1: mmc0:0001 F5X5MA partition 2 4.00 MiB
> [    1.329808] mmcblk0rpmb: mmc0:0001 F5X5MA partition 3 512 KiB
> [    1.335717]  mmcblk0: p1 p2 p3 p4 p5 p6 p7
> [    1.436553] Waiting for root device /dev/mmcblk0p15...
> 
> while the correct list of partitions on mmcblk0 for Gear 2 is:
> [    1.436651]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  arch/arm/configs/exynos_defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
> index 72058b8a6f4d..aa32931bdd30 100644
> --- a/arch/arm/configs/exynos_defconfig
> +++ b/arch/arm/configs/exynos_defconfig
> @@ -134,6 +134,7 @@ CONFIG_USB_STORAGE=y
>  CONFIG_USB_DWC3=y
>  CONFIG_USB_HSIC_USB3503=y
>  CONFIG_MMC=y
> +CONFIG_MMC_BLOCK_MINORS=16
>  CONFIG_MMC_SDHCI=y
>  CONFIG_MMC_SDHCI_S3C=y
>  CONFIG_MMC_SDHCI_S3C_DMA=y

Applied, thanks.

- Kukjin
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