mmc: sdhci: Don't spew on CRC errors

Register dumps for CRC errors are not very useful and they spam
the logs.

Change-Id: I057ba45e6a9b0ae34d997f0f9e465e9ad63f3f62
Signed-off-by: Russ Knize <Russ.Knize@motorola.com>
Reviewed-on: http://gerrit.mot.com/629213
SLTApproved: Slta Waiver <sltawvr@motorola.com>
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Igor Kovalenko <igork@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>
Signed-off-by: Zdrowy Gosciu <ZdrowyGosciu+GITHUB@gmail.com>

drivers/mmc/host/sdhci.c

@@ -2676,7 +2676,7 @@ static void sdhci_show_adma_error(struct sdhci_host *host)
 static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 {
 	u32 command;
-	bool pr_msg = false;
+	bool pr_msg = true;
 	BUG_ON(intmask == 0);
 
 	/* CMD19 generates _only_ Buffer Read Ready interrupt */
@@ -2721,9 +2721,10 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 		host->data->error = -EILSEQ;
 	else if ((intmask & SDHCI_INT_DATA_CRC) &&
 		SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))
-			!= MMC_BUS_TEST_R)
+			!= MMC_BUS_TEST_R) {
 		host->data->error = -EILSEQ;
-	else if (intmask & SDHCI_INT_ADMA_ERROR) {
+		pr_msg = false;
+	} else if (intmask & SDHCI_INT_ADMA_ERROR) {
 		pr_err("%s: ADMA error\n", mmc_hostname(host->mmc));
 		sdhci_show_adma_error(host);
 		host->data->error = -EIO;
@@ -2735,12 +2736,10 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 			if ((command != MMC_SEND_TUNING_BLOCK_HS400) &&
 			    (command != MMC_SEND_TUNING_BLOCK_HS200) &&
 			    (command != MMC_SEND_TUNING_BLOCK)) {
-				pr_msg = true;
 				if (intmask & SDHCI_INT_DATA_CRC)
 					host->flags |= SDHCI_NEEDS_RETUNING;
-			}
-		} else {
-			pr_msg = true;
+			} else
+				pr_msg = false;
 		}
 		if (pr_msg) {
 			pr_err("%s: data txfr (0x%08x) error: %d after %lld ms\n",