[ARM] omap: DSP registers don't need to be casted

We're now assigning/comparing void __iomem pointers with
void __iomem pointer variables.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap1/clock.c

@@ -625,7 +625,7 @@ static void __init omap1_clk_disable_unused(struct clk *clk)
 
 	/* Clocks in the DSP domain need api_ck. Just assume bootloader
 	 * has not enabled any DSP clocks */
-	if ((u32)clk->enable_reg == DSP_IDLECT2) {
+	if (clk->enable_reg == DSP_IDLECT2) {
 		printk(KERN_INFO "Skipping reset check for DSP domain "
 		       "clock \"%s\"\n", clk->name);
 		return;

arch/arm/mach-omap1/clock.h

@@ -324,7 +324,7 @@ static struct clk dspper_ck = {
 	.parent		= &ck_dpll1,
 	.flags		= CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 			  RATE_CKCTL | VIRTUAL_IO_ADDRESS,
-	.enable_reg	= (void __iomem *)DSP_IDLECT2,
+	.enable_reg	= DSP_IDLECT2,
 	.enable_bit	= EN_PERCK,
 	.rate_offset	= CKCTL_PERDIV_OFFSET,
 	.recalc		= &omap1_ckctl_recalc_dsp_domain,
@@ -338,7 +338,7 @@ static struct clk dspxor_ck = {
 	.parent		= &ck_ref,
 	.flags		= CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 			  VIRTUAL_IO_ADDRESS,
-	.enable_reg	= (void __iomem *)DSP_IDLECT2,
+	.enable_reg	= DSP_IDLECT2,
 	.enable_bit	= EN_XORPCK,
 	.recalc		= &followparent_recalc,
 	.enable		= &omap1_clk_enable_dsp_domain,
@@ -350,7 +350,7 @@ static struct clk dsptim_ck = {
 	.parent		= &ck_ref,
 	.flags		= CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 			  VIRTUAL_IO_ADDRESS,
-	.enable_reg	= (void __iomem *)DSP_IDLECT2,
+	.enable_reg	= DSP_IDLECT2,
 	.enable_bit	= EN_DSPTIMCK,
 	.recalc		= &followparent_recalc,
 	.enable		= &omap1_clk_enable_dsp_domain,