linux-kernel - Re: [PATCH] ARM: mmc: bcm281xx SDHCI driver

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Date:	Fri, 10 May 2013 16:37:01 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Christian Daudt <csd@...adcom.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Chris Ball <cjb@...top.org>,
	Stephen Warren <swarren@...dia.com>,
	Olof Johansson <olof@...om.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Wei WANG <wei_wang@...lsil.com.cn>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Arnd Bergmann <arnd@...db.de>,
	"Mike A. Chan" <mikechan@...gle.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mmc@...r.kernel.org, csd_b@...dt.org
Subject: Re: [PATCH] ARM: mmc: bcm281xx SDHCI driver

On 00:29 Fri 10 May     , Christian Daudt wrote:
> Thanks for the feedback.
> 
> On 13-05-08 11:35 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> >On 22:55 Wed 08 May     , Christian Daudt wrote:
> >>Add SDHCI driver for the Broadcom 281xx SoCs. Also
> >>add bindings for it into bcm281xx dts files.
> >>Still missing:
> >>  - power managemement
> >split the dts/dtsi in an other patch
> ok.
> >>Signed-off-by: Christian Daudt <csd@...adcom.com>
> >>
> >>diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
> >>index e3bf2d6..65edf6d 100644
> >>--- a/arch/arm/configs/bcm_defconfig
> >>+++ b/arch/arm/configs/bcm_defconfig
> >>@@ -78,6 +78,13 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
> >>  CONFIG_LCD_CLASS_DEVICE=y
> >>  CONFIG_BACKLIGHT_CLASS_DEVICE=y
> >>  # CONFIG_USB_SUPPORT is not set
> >>+CONFIG_MMC=y
> >>+CONFIG_MMC_UNSAFE_RESUME=y
> >>+CONFIG_MMC_BLOCK_MINORS=32
> >>+CONFIG_MMC_TEST=y
> >>+CONFIG_MMC_SDHCI=y
> >>+CONFIG_MMC_SDHCI_PLTFM=y
> >>+CONFIG_MMC_SDHCI_BCM_KONA=y
> >>  CONFIG_NEW_LEDS=y
> >>  CONFIG_LEDS_CLASS=y
> >>  CONFIG_LEDS_TRIGGERS=y
> >>diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> >>index d88219e..e067c5a 100644
> >>--- a/drivers/mmc/host/Kconfig
> >>+++ b/drivers/mmc/host/Kconfig
> >>@@ -238,6 +238,16 @@ config MMC_SDHCI_S3C_DMA
> >>  	  YMMV.
> >>+config MMC_SDHCI_BCM_KONA
> >>+	tristate "SDHCI support on Broadcom KONA platform"
> >>+	depends on ARCH_BCM && MMC_SDHCI_PLTFM
> >select MMC_SDHCI_PLTFM
> >will be better
> Ok - changed it. Why is the select is better than the depends ?

so you do not need to enable MMC_SDHCI_PLTFM

and you can drop one line in the savdefconfig

if tomorrow you need regulator select it so a old defconfig will continue to
work

Best Regards,
J.
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