diff --git a/arch/arm/boot/dts/exynos5260-xyref5260.dts b/arch/arm/boot/dts/exynos5260-xyref5260.dts
index a803b60..3daef94 100644
--- a/arch/arm/boot/dts/exynos5260-xyref5260.dts
+++ b/arch/arm/boot/dts/exynos5260-xyref5260.dts
@@ -70,7 +70,7 @@
 	broken-cd;
 	bypass-smu;
 	cap-mmc-highspeed;
-	supports-hs200-mode; /* 200 Mhz */
+	supports-hs200-mode; /* 200 MHz */
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
 	samsung,dw-mshc-sdr-timing = <0 4>;
diff --git a/arch/arm/boot/dts/omap3-cm-t3517.dts b/arch/arm/boot/dts/omap3-cm-t3517.dts
index f5b5a1d..53ae04f 100644
--- a/arch/arm/boot/dts/omap3-cm-t3517.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3517.dts
@@ -66,7 +66,7 @@
 
 	otg_drv_vbus: pinmux_otg_drv_vbus {
 		pinctrl-single,pins = <
-			OMAP3_CORE1_IOPAD(0x2210, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_50Mhz_clk.usb0_drvvbus */
+			OMAP3_CORE1_IOPAD(0x2210, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii_50MHz_clk.usb0_drvvbus */
 		>;
 	};
 
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 39e58b4..f9f9713 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -36,7 +36,7 @@
 
 /*
  * If the DA850/OMAP-L138/AM18x SoC on board is of a higher speed grade
- * (than the regular 300Mhz variant), the board code should set this up
+ * (than the regular 300MHz variant), the board code should set this up
  * with the supported speed before calling da850_register_cpufreq().
  */
 extern unsigned int da850_max_speed;
diff --git a/arch/arm/mach-imx/clk-imx6sx.c b/arch/arm/mach-imx/clk-imx6sx.c
index 5a3e5a1..87c5b09 100644
--- a/arch/arm/mach-imx/clk-imx6sx.c
+++ b/arch/arm/mach-imx/clk-imx6sx.c
@@ -216,7 +216,7 @@
 	clks[IMX6SX_CLK_USBPHY1_GATE] = imx_clk_gate("usbphy1_gate", "dummy", base + 0x10, 6);
 	clks[IMX6SX_CLK_USBPHY2_GATE] = imx_clk_gate("usbphy2_gate", "dummy", base + 0x20, 6);
 
-	/* FIXME 100Mhz is used for pcie ref for all imx6 pcie, excepted imx6q */
+	/* FIXME 100MHz is used for pcie ref for all imx6 pcie, excepted imx6q */
 	clks[IMX6SX_CLK_PCIE_REF] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 5);
 	clks[IMX6SX_CLK_PCIE_REF_125M] = imx_clk_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19);
 
@@ -520,7 +520,7 @@
 		pr_err("Failed to set pcie parent clk.\n");
 
 	/*
-	 * Init enet system AHB clock, set to 200Mhz
+	 * Init enet system AHB clock, set to 200MHz
 	 * pll2_pfd2_396m-> ENET_PODF-> ENET_AHB
 	 */
 	clk_set_parent(clks[IMX6SX_CLK_ENET_PRE_SEL], clks[IMX6SX_CLK_PLL2_PFD2]);
diff --git a/arch/arm/mach-iop13xx/include/mach/time.h b/arch/arm/mach-iop13xx/include/mach/time.h
index 15bc9bb..c871e68 100644
--- a/arch/arm/mach-iop13xx/include/mach/time.h
+++ b/arch/arm/mach-iop13xx/include/mach/time.h
@@ -42,7 +42,7 @@
 	case IOP13XX_CORE_FREQ_1200:
 		return 1200000000;
 	default:
-		printk("%s: warning unknown frequency, defaulting to 800Mhz\n",
+		printk("%s: warning unknown frequency, defaulting to 800MHz\n",
 			__func__);
 	}
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h
index 75c4c65..34b3d3f 100644
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -74,7 +74,7 @@
 /*
  * Clock Speed Definitions.
  */
-#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66Mhzi APB BUS   */ 
+#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66MHzi APB BUS   */ 
 #define IXP4XX_UART_XTAL        	14745600
 
 /*
diff --git a/arch/arm/mach-ks8695/include/mach/hardware.h b/arch/arm/mach-ks8695/include/mach/hardware.h
index 5090338..959c748 100644
--- a/arch/arm/mach-ks8695/include/mach/hardware.h
+++ b/arch/arm/mach-ks8695/include/mach/hardware.h
@@ -17,7 +17,7 @@
 #include <asm/sizes.h>
 
 /*
- * Clocks are derived from MCLK, which is 25Mhz
+ * Clocks are derived from MCLK, which is 25MHz
  */
 #define KS8695_CLOCK_RATE	25000000
 
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index f899e77..17a6f75 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -216,11 +216,11 @@
 
 	div = gpmc_calc_divider(min_gpmc_clk_period);
 	gpmc_clk_ns = gpmc_ticks_to_ns(div);
-	if (gpmc_clk_ns < 15) /* >66Mhz */
+	if (gpmc_clk_ns < 15) /* >66MHz */
 		onenand_flags |= ONENAND_FLAG_HF;
 	else
 		onenand_flags &= ~ONENAND_FLAG_HF;
-	if (gpmc_clk_ns < 12) /* >83Mhz */
+	if (gpmc_clk_ns < 12) /* >83MHz */
 		onenand_flags |= ONENAND_FLAG_VHF;
 	else
 		onenand_flags &= ~ONENAND_FLAG_VHF;
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 9a8611a..cff079e 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -70,7 +70,7 @@
 
 		reg = omap_ctrl_readl(control_pbias_offset);
 		if (cpu_is_omap3630()) {
-			/* Set MMC I/O to 52Mhz */
+			/* Set MMC I/O to 52MHz */
 			prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
 			prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
 			omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index 0e75ec3e..b2233b7 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -116,7 +116,7 @@
 		RATE_IN_243X},
 
 	/* PRCM-boot/bypass */
-	{S13M, S13M, S13M, RB_CM_CLKSEL_MPU_VAL,		/* 13Mhz */
+	{S13M, S13M, S13M, RB_CM_CLKSEL_MPU_VAL,		/* 13MHz */
 		RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
 		RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_13_VAL,
 		MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
@@ -124,7 +124,7 @@
 		RATE_IN_243X},
 
 	/* PRCM-boot/bypass */
-	{S12M, S12M, S12M, RB_CM_CLKSEL_MPU_VAL,		/* 12Mhz */
+	{S12M, S12M, S12M, RB_CM_CLKSEL_MPU_VAL,		/* 12MHz */
 		RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
 		RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_12_VAL,
 		MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
diff --git a/arch/arm/mach-omap2/sdrc2xxx.c b/arch/arm/mach-omap2/sdrc2xxx.c
index ae3f155..339b0ec 100644
--- a/arch/arm/mach-omap2/sdrc2xxx.c
+++ b/arch/arm/mach-omap2/sdrc2xxx.c
@@ -164,6 +164,6 @@
 	mem_timings.slow_dll_ctrl |=
 		((mem_timings.fast_dll_ctrl & 0xF) | (1 << 2));
 
-	/* 90 degree phase for anything below 133Mhz + disable DLL filter */
+	/* 90 degree phase for anything below 133MHz + disable DLL filter */
 	mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8));
 }
diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S
index 2c88ff2..53a2537 100644
--- a/arch/arm/mach-omap2/sram242x.S
+++ b/arch/arm/mach-omap2/sram242x.S
@@ -64,7 +64,7 @@
 	mvn	r9, #0x4		@ mask to get clear bit2
 	and	r10, r10, r9		@ clear bit2 for lock mode.
 	orr	r10, r10, #0x8		@ make sure DLL on (es2 bit pos)
-	orr	r10, r10, #0x2		@ 90 degree phase for all below 133Mhz
+	orr	r10, r10, #0x2		@ 90 degree phase for all below 133MHz
 	str	r10, [r11]		@ commit to DLLA_CTRL
 	bl	i_dll_wait		@ wait for dll to lock
 
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S
index d5deb97..b3edd6f 100644
--- a/arch/arm/mach-omap2/sram243x.S
+++ b/arch/arm/mach-omap2/sram243x.S
@@ -64,7 +64,7 @@
 	mvn	r9, #0x4		@ mask to get clear bit2
 	and	r10, r10, r9		@ clear bit2 for lock mode.
 	orr	r10, r10, #0x8		@ make sure DLL on (es2 bit pos)
-	orr	r10, r10, #0x2		@ 90 degree phase for all below 133Mhz
+	orr	r10, r10, #0x2		@ 90 degree phase for all below 133MHz
 	str	r10, [r11]		@ commit to DLLA_CTRL
 	bl	i_dll_wait		@ wait for dll to lock
 
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c
index 854f1f5..14f6aaf 100644
--- a/arch/arm/mach-pxa/mp900.c
+++ b/arch/arm/mach-pxa/mp900.c
@@ -28,7 +28,7 @@
 static void isp116x_pfm_delay(struct device *dev, int delay)
 {
 
-	/* 400Mhz PXA2 = 2.5ns / instruction */
+	/* 400MHz PXA2 = 2.5ns / instruction */
 
 	int cyc = delay / 10;