ARM: Show proper respect for Heinrich Hertz by using the correct unit for frequency
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 14 May 2015 15:18:46 +0000 (16:18 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 14 May 2015 15:22:05 +0000 (16:22 +0100)
The SI unit of frequency is Hertz, named after Heinrich Hertz, and is
given the symbol "Hz" to denote this.  "hz" is not the unit of frequency,
and is in fact meaningless.

Fix arch/arm to correctly use "Hz", thereby acknowledging Heinrich Hertz'
contribution to the modern world.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 files changed:
arch/arm/boot/dts/exynos5260-xyref5260.dts
arch/arm/boot/dts/omap3-cm-t3517.dts
arch/arm/mach-davinci/include/mach/da8xx.h
arch/arm/mach-imx/clk-imx6sx.c
arch/arm/mach-iop13xx/include/mach/time.h
arch/arm/mach-ixp4xx/include/mach/platform.h
arch/arm/mach-ks8695/include/mach/hardware.h
arch/arm/mach-omap2/gpmc-onenand.c
arch/arm/mach-omap2/hsmmc.c
arch/arm/mach-omap2/opp2430_data.c
arch/arm/mach-omap2/sdrc2xxx.c
arch/arm/mach-omap2/sram242x.S
arch/arm/mach-omap2/sram243x.S
arch/arm/mach-pxa/mp900.c

index a803b60..3daef94 100644 (file)
@@ -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>;
index f5b5a1d..53ae04f 100644 (file)
@@ -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 */
                >;
        };
 
index 39e58b4..f9f9713 100644 (file)
@@ -36,7 +36,7 @@ extern void __iomem *da8xx_syscfg1_base;
 
 /*
  * 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;
index 5a3e5a1..87c5b09 100644 (file)
@@ -216,7 +216,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
        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 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
                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]);
index 15bc9bb..c871e68 100644 (file)
@@ -42,7 +42,7 @@ static inline unsigned long iop13xx_core_freq(void)
        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__);
        }
 
index 75c4c65..34b3d3f 100644 (file)
@@ -74,7 +74,7 @@ extern unsigned long ixp4xx_exp_bus_size;
 /*
  * 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
 
 /*
index 5090338..959c748 100644 (file)
@@ -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
 
index f899e77..17a6f75 100644 (file)
@@ -216,11 +216,11 @@ static void omap2_onenand_calc_sync_timings(struct gpmc_timings *t,
 
        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;
index 9a8611a..cff079e 100644 (file)
@@ -70,7 +70,7 @@ static void omap_hsmmc1_before_set_reg(struct device *dev,
 
                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);
index 0e75ec3..b2233b7 100644 (file)
@@ -116,7 +116,7 @@ const struct prcm_config omap2430_rate_table[] = {
                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 @@ const struct prcm_config omap2430_rate_table[] = {
                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,
index ae3f155..339b0ec 100644 (file)
@@ -164,6 +164,6 @@ void omap2xxx_sdrc_init_params(u32 force_lock_to_unlock_mode)
        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));
 }
index 2c88ff2..53a2537 100644 (file)
@@ -64,7 +64,7 @@ ENTRY(omap242x_sram_ddr_init)
        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
 
index d5deb97..b3edd6f 100644 (file)
@@ -64,7 +64,7 @@ ENTRY(omap243x_sram_ddr_init)
        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
 
index 854f1f5..14f6aaf 100644 (file)
@@ -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;