From mboxrd@z Thu Jan 1 00:00:00 1970 From: boris.brezillon@free-electrons.com (Boris BREZILLON) Date: Tue, 23 Sep 2014 13:47:54 +0200 Subject: [PATCH] ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings In-Reply-To: <1411472564-32448-1-git-send-email-andreas.henriksson@endian.se> References: <1411472564-32448-1-git-send-email-andreas.henriksson@endian.se> Message-ID: <20140923134754.1b2d9a9a@bbrezillon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Andreas, On Tue, 23 Sep 2014 13:42:44 +0200 Andreas Henriksson wrote: > As discovered on a custom board similar to at91sam9263ek and basing > its devicetree on that one apparently the pin muxing doesn't get > set up properly. This was discovered since the custom boards u-boot > does funky stuff with the pin muxing and leaved it set to SPI > which made the MMC driver not work under Linux. > The fix is simply to define the given configuration as the default. > This probably worked by pure luck before, but it's better to > make the muxing explicitly set. > > CC: Boris BREZILLON > Signed-off-by: Andreas Henriksson Acked-by: Boris Brezillon Thanks, Boris > --- > arch/arm/boot/dts/at91sam9263ek.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts > index 5cf93ee..33a4f9a 100644 > --- a/arch/arm/boot/dts/at91sam9263ek.dts > +++ b/arch/arm/boot/dts/at91sam9263ek.dts > @@ -64,6 +64,7 @@ > }; > > mmc0: mmc at fff80000 { > + pinctrl-names = "default"; > pinctrl-0 = < > &pinctrl_board_mmc0 > &pinctrl_mmc0_clk -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com