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-rw-r--r--drivers/mmc/card/mmc_test.c85
1 files changed, 3 insertions, 82 deletions
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index a067fe436301..f26b01d811ae 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -388,16 +388,14 @@ static int mmc_test_transfer(struct mmc_test_card *test,
388 int ret, i; 388 int ret, i;
389 unsigned long flags; 389 unsigned long flags;
390 390
391 BUG_ON(blocks * blksz > BUFFER_SIZE);
392
393 if (write) { 391 if (write) {
394 for (i = 0;i < blocks * blksz;i++) 392 for (i = 0;i < blocks * blksz;i++)
395 test->scratch[i] = i; 393 test->scratch[i] = i;
396 } else { 394 } else {
397 memset(test->scratch, 0, blocks * blksz); 395 memset(test->scratch, 0, BUFFER_SIZE);
398 } 396 }
399 local_irq_save(flags); 397 local_irq_save(flags);
400 sg_copy_from_buffer(sg, sg_len, test->scratch, blocks * blksz); 398 sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE);
401 local_irq_restore(flags); 399 local_irq_restore(flags);
402 400
403 ret = mmc_test_set_blksize(test, blksz); 401 ret = mmc_test_set_blksize(test, blksz);
@@ -444,7 +442,7 @@ static int mmc_test_transfer(struct mmc_test_card *test,
444 } 442 }
445 } else { 443 } else {
446 local_irq_save(flags); 444 local_irq_save(flags);
447 sg_copy_to_buffer(sg, sg_len, test->scratch, blocks * blksz); 445 sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE);
448 local_irq_restore(flags); 446 local_irq_restore(flags);
449 for (i = 0;i < blocks * blksz;i++) { 447 for (i = 0;i < blocks * blksz;i++) {
450 if (test->scratch[i] != (u8)i) 448 if (test->scratch[i] != (u8)i)
@@ -805,69 +803,6 @@ static int mmc_test_multi_xfersize_read(struct mmc_test_card *test)
805 return 0; 803 return 0;
806} 804}
807 805
808static int mmc_test_bigsg_write(struct mmc_test_card *test)
809{
810 int ret;
811 unsigned int size;
812 struct scatterlist sg;
813
814 if (test->card->host->max_blk_count == 1)
815 return RESULT_UNSUP_HOST;
816
817 size = PAGE_SIZE * 2;
818 size = min(size, test->card->host->max_req_size);
819 size = min(size, test->card->host->max_seg_size);
820 size = min(size, test->card->host->max_blk_count * 512);
821
822 memset(test->buffer, 0, BUFFER_SIZE);
823
824 if (size < 1024)
825 return RESULT_UNSUP_HOST;
826
827 sg_init_table(&sg, 1);
828 sg_init_one(&sg, test->buffer, BUFFER_SIZE);
829
830 ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1);
831 if (ret)
832 return ret;
833
834 return 0;
835}
836
837static int mmc_test_bigsg_read(struct mmc_test_card *test)
838{
839 int ret, i;
840 unsigned int size;
841 struct scatterlist sg;
842
843 if (test->card->host->max_blk_count == 1)
844 return RESULT_UNSUP_HOST;
845
846 size = PAGE_SIZE * 2;
847 size = min(size, test->card->host->max_req_size);
848 size = min(size, test->card->host->max_seg_size);
849 size = min(size, test->card->host->max_blk_count * 512);
850
851 if (size < 1024)
852 return RESULT_UNSUP_HOST;
853
854 memset(test->buffer, 0xCD, BUFFER_SIZE);
855
856 sg_init_table(&sg, 1);
857 sg_init_one(&sg, test->buffer, BUFFER_SIZE);
858 ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0);
859 if (ret)
860 return ret;
861
862 /* mmc_test_transfer() doesn't check for read overflows */
863 for (i = size;i < BUFFER_SIZE;i++) {
864 if (test->buffer[i] != 0xCD)
865 return RESULT_FAIL;
866 }
867
868 return 0;
869}
870
871#ifdef CONFIG_HIGHMEM 806#ifdef CONFIG_HIGHMEM
872 807
873static int mmc_test_write_high(struct mmc_test_card *test) 808static int mmc_test_write_high(struct mmc_test_card *test)
@@ -1071,20 +1006,6 @@ static const struct mmc_test_case mmc_test_cases[] = {
1071 .run = mmc_test_multi_xfersize_read, 1006 .run = mmc_test_multi_xfersize_read,
1072 }, 1007 },
1073 1008
1074 {
1075 .name = "Over-sized SG list write",
1076 .prepare = mmc_test_prepare_write,
1077 .run = mmc_test_bigsg_write,
1078 .cleanup = mmc_test_cleanup,
1079 },
1080
1081 {
1082 .name = "Over-sized SG list read",
1083 .prepare = mmc_test_prepare_read,
1084 .run = mmc_test_bigsg_read,
1085 .cleanup = mmc_test_cleanup,
1086 },
1087
1088#ifdef CONFIG_HIGHMEM 1009#ifdef CONFIG_HIGHMEM
1089 1010
1090 { 1011 {