linux-kernel - Re: [PATCH v3 7/9] ARM: dts: rockchip: add the sdmmc for kylin board

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Message-ID: <2230942.JkKsuulFEe@phil>
Date:	Sun, 17 Jan 2016 20:37:17 +0100
From:	Heiko Stuebner <heiko@...ech.de>
To:	Caesar Wang <wxt@...k-chips.com>
Cc:	linux-rockchip@...ts.infradead.org, leozwang@...gle.com,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, keescook@...gle.com
Subject: Re: [PATCH v3 7/9] ARM: dts: rockchip: add the sdmmc for kylin board

Am Freitag, 15. Januar 2016, 21:49:54 schrieb Caesar Wang:
> Although We can add the sdmmc node, shouldn't enable it.
> Since the sdmmc is reusing the same pin with uart2.
> Unfortunately, the uart2 is used by the debug port, so that will cause
> the debug information can't display on console if enabling the sdmmc.
> 
> As we have supported the sdmmc (sd card) on hardware for kylin board.
> So, maybe we can have the sdmmc node in kylin dts, not to enable it.
> 
> Anyway, you only need add the okay status if someone want to enable the
> sdmmc.
> 
> e.g.
> if you use the adb to debug with android os.
> You can add the
> status = "okay" to enable the sdmmc for sd card working.
> The defauly status is disabling it.
> 
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>

applied to my dts32 branch for 4.6


Thanks
Heiko