mmc: sdhci-esdhc-imx: Fix some English mistakes and typos

Fix various English mistakes and typos in comments and in printed
strings.

Signed-off-by: Benoît Thébaudeau <benoit@wsystem.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-esdhc-imx.c

@@ -95,7 +95,7 @@
 #define ESDHC_CTRL_BUSWIDTH_MASK	(0x3 << 1)
 
 /*
- * There is an INT DMA ERR mis-match between eSDHC and STD SDHC SPEC:
+ * There is an INT DMA ERR mismatch between eSDHC and STD SDHC SPEC:
  * Bit25 is used in STD SPEC, and is reserved in fsl eSDHC design,
  * but bit28 is used as the INT DMA ERR in fsl eSDHC design.
  * Define this macro DMA error INT for fsl eSDHC
@@ -110,12 +110,12 @@
  * In exact block transfer, the controller doesn't complete the
  * operations automatically as required at the end of the
  * transfer and remains on hold if the abort command is not sent.
- * As a result, the TC flag is not asserted and SW  received timeout
- * exeception. Bit1 of Vendor Spec registor is used to fix it.
+ * As a result, the TC flag is not asserted and SW received timeout
+ * exception. Bit1 of Vendor Spec register is used to fix it.
  */
 #define ESDHC_FLAG_MULTIBLK_NO_INT	BIT(1)
 /*
- * The flag enables the workaround for ESDHC errata ENGcm07207 which
+ * The flag enables the workaround for ESDHC erratum ENGcm07207 which
  * affects i.MX25 and i.MX35.
  */
 #define ESDHC_FLAG_ENGCM07207		BIT(2)
@@ -131,7 +131,7 @@
 /* The IP has SDHCI_CAPABILITIES_1 register */
 #define ESDHC_FLAG_HAVE_CAP1		BIT(6)
 /*
- * The IP has errata ERR004536
+ * The IP has erratum ERR004536
  * uSDHC: ADMA Length Mismatch Error occurs if the AHB read access is slow,
  * when reading data from the card
  */
@@ -141,7 +141,7 @@
 /* The IP supports HS400 mode */
 #define ESDHC_FLAG_HS400		BIT(9)
 
-/* A higher clock ferquency than this rate requires strobell dll control */
+/* A clock frequency higher than this rate requires strobe dll control */
 #define ESDHC_STROBE_DLL_CLK_FREQ	100000000
 
 struct esdhc_soc_data {
@@ -197,7 +197,7 @@ struct pltfm_imx_data {
 	struct clk *clk_ahb;
 	struct clk *clk_per;
 	enum {
-		NO_CMD_PENDING,      /* no multiblock command pending*/
+		NO_CMD_PENDING,      /* no multiblock command pending */
 		MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */
 		WAIT_FOR_INT,        /* sent CMD12, waiting for response INT */
 	} multiblock_status;
@@ -286,7 +286,7 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 		 * ADMA2 capability of esdhc, but this bit is messed up on
 		 * some SOCs (e.g. on MX25, MX35 this bit is set, but they
 		 * don't actually support ADMA2). So set the BROKEN_ADMA
-		 * uirk on MX25/35 platforms.
+		 * quirk on MX25/35 platforms.
 		 */
 
 		if (val & SDHCI_CAN_DO_ADMA1) {
@@ -351,7 +351,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
 		if ((val & SDHCI_INT_CARD_INT) && !esdhc_is_usdhc(imx_data)) {
 			/*
 			 * Clear and then set D3CD bit to avoid missing the
-			 * card interrupt.  This is a eSDHC controller problem
+			 * card interrupt. This is an eSDHC controller problem
 			 * so we need to apply the following workaround: clear
 			 * and set D3CD bit will make eSDHC re-sample the card
 			 * interrupt. In case a card interrupt was lost,
@@ -604,7 +604,7 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg)
 		 * Do not touch buswidth bits here. This is done in
 		 * esdhc_pltfm_bus_width.
 		 * Do not touch the D3CD bit either which is used for the
-		 * SDIO interrupt errata workaround.
+		 * SDIO interrupt erratum workaround.
 		 */
 		mask = 0xffff & ~(ESDHC_CTRL_BUSWIDTH_MASK | ESDHC_CTRL_D3CD);
 
@@ -763,7 +763,7 @@ static void esdhc_prepare_tuning(struct sdhci_host *host, u32 val)
 	writel(reg, host->ioaddr + ESDHC_MIX_CTRL);
 	writel(val << 8, host->ioaddr + ESDHC_TUNE_CTRL_STATUS);
 	dev_dbg(mmc_dev(host->mmc),
-		"tunning with delay 0x%x ESDHC_TUNE_CTRL_STATUS 0x%x\n",
+		"tuning with delay 0x%x ESDHC_TUNE_CTRL_STATUS 0x%x\n",
 			val, readl(host->ioaddr + ESDHC_TUNE_CTRL_STATUS));
 }
 
@@ -807,7 +807,7 @@ static int esdhc_executing_tuning(struct sdhci_host *host, u32 opcode)
 	ret = mmc_send_tuning(host->mmc, opcode, NULL);
 	esdhc_post_tuning(host);
 
-	dev_dbg(mmc_dev(host->mmc), "tunning %s at 0x%x ret %d\n",
+	dev_dbg(mmc_dev(host->mmc), "tuning %s at 0x%x ret %d\n",
 		ret ? "failed" : "passed", avg, ret);
 
 	return ret;
@@ -847,15 +847,15 @@ static int esdhc_change_pinstate(struct sdhci_host *host,
 }
 
 /*
- * For HS400 eMMC, there is a data_strobe line, this signal is generated
+ * For HS400 eMMC, there is a data_strobe line. This signal is generated
  * by the device and used for data output and CRC status response output
  * in HS400 mode. The frequency of this signal follows the frequency of
- * CLK generated by host. Host receive the data which is aligned to the
+ * CLK generated by host. The host receives the data which is aligned to the
  * edge of data_strobe line. Due to the time delay between CLK line and
  * data_strobe line, if the delay time is larger than one clock cycle,
- * then CLK and data_strobe line will misaligned, read error shows up.
+ * then CLK and data_strobe line will be misaligned, read error shows up.
  * So when the CLK is higher than 100MHz, each clock cycle is short enough,
- * host should config the delay target.
+ * host should configure the delay target.
  */
 static void esdhc_set_strobe_dll(struct sdhci_host *host)
 {
@@ -895,7 +895,7 @@ static void esdhc_reset_tuning(struct sdhci_host *host)
 	struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host);
 	u32 ctrl;
 
-	/* Rest the tuning circurt */
+	/* Reset the tuning circuit */
 	if (esdhc_is_usdhc(imx_data)) {
 		if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) {
 			ctrl = readl(host->ioaddr + ESDHC_MIX_CTRL);
@@ -976,7 +976,7 @@ static unsigned int esdhc_get_max_timeout_count(struct sdhci_host *host)
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host);
 
-	/* Doc Errata: the uSDHC actual maximum timeout count is 1 << 29 */
+	/* Doc Erratum: the uSDHC actual maximum timeout count is 1 << 29 */
 	return esdhc_is_usdhc(imx_data) ? 1 << 29 : 1 << 27;
 }
 
@@ -1032,10 +1032,10 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host)
 
 		/*
 		 * ROM code will change the bit burst_length_enable setting
-		 * to zero if this usdhc is choosed to boot system. Change
+		 * to zero if this usdhc is chosen to boot system. Change
 		 * it back here, otherwise it will impact the performance a
 		 * lot. This bit is used to enable/disable the burst length
-		 * for the external AHB2AXI bridge, it's usefully especially
+		 * for the external AHB2AXI bridge. It's useful especially
 		 * for INCR transfer because without burst length indicator,
 		 * the AHB2AXI bridge does not know the burst length in
 		 * advance. And without burst length indicator, AHB INCR
@@ -1045,7 +1045,7 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host)
 			| ESDHC_BURST_LEN_EN_INCR,
 			host->ioaddr + SDHCI_HOST_CONTROL);
 		/*
-		* errata ESDHC_FLAG_ERR004536 fix for MX6Q TO1.2 and MX6DL
+		* erratum ESDHC_FLAG_ERR004536 fix for MX6Q TO1.2 and MX6DL
 		* TO1.1, it's harmless for MX6SL
 		*/
 		writel(readl(host->ioaddr + 0x6c) | BIT(7),
@@ -1104,7 +1104,7 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 
 	mmc_of_parse_voltage(np, &host->ocr_mask);
 
-	/* sdr50 and sdr104 needs work on 1.8v signal voltage */
+	/* sdr50 and sdr104 need work on 1.8v signal voltage */
 	if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) &&
 	    !IS_ERR(imx_data->pins_default)) {
 		imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl,
@@ -1116,7 +1116,8 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 			dev_warn(mmc_dev(host->mmc),
 				"could not get ultra high speed state, work on normal mode\n");
 			/*
-			 * fall back to not support uhs by specify no 1.8v quirk
+			 * fall back to not supporting uhs by specifying no
+			 * 1.8v quirk
 			 */
 			host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 		}
@@ -1272,7 +1273,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 		dev_warn(mmc_dev(host->mmc), "could not get default state\n");
 
 	if (imx_data->socdata->flags & ESDHC_FLAG_ENGCM07207)
-		/* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */
+		/* Fix erratum ENGcm07207 present on i.MX25 and i.MX35 */
 		host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK
 			| SDHCI_QUIRK_BROKEN_ADMA;