mmc: Remove duplicate words in comments

Remove duplicate words in comments found using the following commands:

pcregrep --color=always -n \
	'([^a-zA-Z_])([a-zA-Z_]+)[[:space:]]+\2[^a-zA-Z_]' \
	drivers/mmc/host/*.[ch] drivers/mmc/core/*.[ch] \
	include/linux/mmc/*.h \
	include/uapi/linux/mmc/*.h | \
	grep -v 'long long'

pcregrep --color=always -n -M \
	'([^a-zA-Z_])([a-zA-Z_]+)[ \t]*\n[[:space:]*]+\2[^a-zA-Z_]' \
	drivers/mmc/host/*.[ch] \
	drivers/mmc/core/*.[ch] \
	include/linux/mmc/*.h \
	include/uapi/linux/mmc/*.h
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221102120105.5747-1-adrian.hunter@intel.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/core.c

@@ -56,7 +56,7 @@ static const unsigned freqs[] = { 400000, 300000, 200000, 100000 };
 /*
  * Enabling software CRCs on the data blocks can be a significant (30%)
  * performance cost, and for other reasons may not always be desired.
- * So we allow it it to be disabled.
+ * So we allow it to be disabled.
  */
 bool use_spi_crc = 1;
 module_param(use_spi_crc, bool, 0);
@@ -527,7 +527,7 @@ EXPORT_SYMBOL(mmc_cqe_post_req);
  * mmc_cqe_recovery - Recover from CQE errors.
  * @host: MMC host to recover
  *
- * Recovery consists of stopping CQE, stopping eMMC, discarding the queue in
+ * Recovery consists of stopping CQE, stopping eMMC, discarding the queue
  * in eMMC, and discarding the queue in CQE. CQE must call
  * mmc_cqe_request_done() on all requests. An error is returned if the eMMC
  * fails to discard its queue.

drivers/mmc/core/host.c

@@ -269,7 +269,7 @@ EXPORT_SYMBOL(mmc_of_parse_clk_phase);
  * @host: host whose properties should be parsed.
  *
  * To keep the rest of the MMC subsystem unaware of whether DT has been
- * used to to instantiate and configure this host instance or not, we
+ * used to instantiate and configure this host instance or not, we
  * parse the properties and set respective generic mmc-host flags and
  * parameters.
  */

drivers/mmc/host/sdhci-acpi.c

@@ -651,7 +651,7 @@ static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev,
 	 *       instead use the SDR104 preset register.
 	 *
 	 *    If the above issues are resolved we could remove this quirk for
-	 *    firmware that that has valid presets (i.e., SDR12 <= 12 MHz).
+	 *    firmware that has valid presets (i.e., SDR12 <= 12 MHz).
 	 */
 	host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
 

drivers/mmc/host/sdhci-bcm-kona.c

@@ -168,7 +168,7 @@ static void sdhci_bcm_kona_init_74_clocks(struct sdhci_host *host,
 	/*
 	 *  JEDEC and SD spec specify supplying 74 continuous clocks to
 	 * device after power up. With minimum bus (100KHz) that
-	 * that translates to 740us
+	 * translates to 740us
 	 */
 	if (power_mode != MMC_POWER_OFF)
 		udelay(740);

drivers/mmc/host/sdhci-omap.c

@@ -370,7 +370,7 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
 
 	/*
 	 * Stage 1: Search for a maximum pass window ignoring any
-	 * any single point failures. If the tuning value ends up
+	 * single point failures. If the tuning value ends up
 	 * near it, move away from it in stage 2 below
 	 */
 	while (phase_delay <= MAX_PHASE_DELAY) {

drivers/mmc/host/sdhci.h

@@ -345,7 +345,7 @@ struct sdhci_adma2_64_desc {
  */
 #define SDHCI_MAX_SEGS		128
 
-/* Allow for a a command request and a data request at the same time */
+/* Allow for a command request and a data request at the same time */
 #define SDHCI_MAX_MRQS		2
 
 /*