mmc: test: clean up mmc_test_cleanup()

mmc_test_cleanup() has same body as __mmc_test_prepare() with write
except the character to memset().

Signed-off-by: Yue Hu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: Yue Hu

drivers/mmc/core/mmc_test.c

@@ -624,7 +624,7 @@ static unsigned int mmc_test_capacity(struct mmc_card *card)
  * Fill the first couple of sectors of the card with known data
  * so that bad reads/writes can be detected
  */
-static int __mmc_test_prepare(struct mmc_test_card *test, int write)
+static int __mmc_test_prepare(struct mmc_test_card *test, int write, int val)
 {
 	int ret, i;
 
@@ -633,7 +633,7 @@ static int __mmc_test_prepare(struct mmc_test_card *test, int write)
 		return ret;
 
 	if (write)
-		memset(test->buffer, 0xDF, 512);
+		memset(test->buffer, val, 512);
 	else {
 		for (i = 0; i < 512; i++)
 			test->buffer[i] = i;
@@ -650,31 +650,17 @@ static int __mmc_test_prepare(struct mmc_test_card *test, int write)
 
 static int mmc_test_prepare_write(struct mmc_test_card *test)
 {
-	return __mmc_test_prepare(test, 1);
+	return __mmc_test_prepare(test, 1, 0xDF);
 }
 
 static int mmc_test_prepare_read(struct mmc_test_card *test)
 {
-	return __mmc_test_prepare(test, 0);
+	return __mmc_test_prepare(test, 0, 0);
 }
 
 static int mmc_test_cleanup(struct mmc_test_card *test)
 {
-	int ret, i;
-
-	ret = mmc_test_set_blksize(test, 512);
-	if (ret)
-		return ret;
-
-	memset(test->buffer, 0, 512);
-
-	for (i = 0; i < BUFFER_SIZE / 512; i++) {
-		ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
+	return __mmc_test_prepare(test, 1, 0);
 }
 
 /*******************************************************************/