fsl_esdhc: Always stop clock before changing frequency

We need to stop the clocks on 83xx/85xx as well as imx.  No need to make
this code conditional to just imx.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Stefano Babic <sbabic@denx.de>

drivers/mmc/fsl_esdhc.c

 /*
- * Copyright 2007, Freescale Semiconductor, Inc
+ * Copyright 2007,2010 Freescale Semiconductor, Inc
  * Andy Fleming
  *
  * Based vaguely on the pxa mmc code:
@@ -265,18 +265,13 @@ void set_sysctl(struct mmc *mmc, uint clock)
 
 	clk = (pre_div << 8) | (div << 4);
 
-	/* On imx the clock must be stopped before changing frequency */
-	if (cfg->clk_enable)
-		esdhc_clrbits32(&regs->sysctl, SYSCTL_CKEN);
+	esdhc_clrbits32(&regs->sysctl, SYSCTL_CKEN);
 
 	esdhc_clrsetbits32(&regs->sysctl, SYSCTL_CLOCK_MASK, clk);
 
 	udelay(10000);
 
-	clk = SYSCTL_PEREN;
-	/* On imx systems the clock must be explicitely enabled */
-	if (cfg->clk_enable)
-		clk |= SYSCTL_CKEN;
+	clk = SYSCTL_PEREN | SYSCTL_CKEN;
 
 	esdhc_setbits32(&regs->sysctl, clk);
 }

include/fsl_esdhc.h

@@ -2,7 +2,7 @@
  * FSL SD/MMC Defines
  *-------------------------------------------------------------------
  *
- * Copyright 2007-2008, Freescale Semiconductor, Inc
+ * Copyright 2007-2008,2010 Freescale Semiconductor, Inc
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -148,7 +148,6 @@
 struct fsl_esdhc_cfg {
 	u32	esdhc_base;
 	u32	no_snoop;
-	u32	clk_enable;
 };
 
 /* Select the correct accessors depending on endianess */