From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 1/3] ARM: OMAP2: HACK: hardcode hsmmc2 input clock source for N950/N9 Date: Mon, 23 Sep 2013 10:38:43 -0700 Message-ID: <20130923173843.GI2684@atomide.com> References: <1379771142-29087-1-git-send-email-aaro.koskinen@iki.fi> <1379771142-29087-2-git-send-email-aaro.koskinen@iki.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1379771142-29087-2-git-send-email-aaro.koskinen-X3B1VOXEql0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Aaro Koskinen Cc: =?utf-8?Q?Beno=C3=AEt?= Cousson , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sakari Ailus List-Id: devicetree@vger.kernel.org * Aaro Koskinen [130921 06:56]: > Without this the eMMC (root file system) cannot be used on N950/N9. > Any ideas for a proper solution? > > Signed-off-by: Aaro Koskinen > --- > arch/arm/mach-omap2/board-generic.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c > index 39c7838..8be49b3 100644 > --- a/arch/arm/mach-omap2/board-generic.c > +++ b/arch/arm/mach-omap2/board-generic.c > @@ -20,6 +20,7 @@ > #include > > #include "common.h" > +#include "control.h" > #include "common-board-devices.h" > #include "dss-common.h" > > @@ -51,12 +52,26 @@ static void __init legacy_init_ehci_clk(char *clkname) > } > } > > +static void __init hsmmc2_input_clk(void) > +{ > + u32 reg; > + > + reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); > + reg |= OMAP2_MMCSDIO2ADPCLKISEL; > + omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); > +} > + > static void __init omap_generic_init(void) > { > omap_sdrc_init(NULL, NULL); > > of_platform_populate(NULL, omap_dt_match_table, NULL, NULL); > > + /* HACK: Configure the MMC input clock source on N950/N9. */ > + if (of_machine_is_compatible("nokia,omap3-n950") || > + of_machine_is_compatible("nokia,omap3-n9")) > + hsmmc2_input_clk(); > + > /* > * HACK: call display setup code for selected boards to enable omapdss. > * This will be removed when omapdss supports DT. > Can you please update this patch on the quirks series I posted few days ago? Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html