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authorAmaury Pouly <amaury.pouly@gmail.com>2014-04-24 14:12:25 +0200
committerAmaury Pouly <amaury.pouly@gmail.com>2014-04-24 14:12:25 +0200
commitc8461c515299d1cca58dea67990ac7cce25e6763 (patch)
tree721ddd3cf94ec7724440d545a83c36496753b804 /firmware/target/arm
parent25ecbc5432de99a5c20d84e22f764465babb70e4 (diff)
downloadrockbox-c8461c515299d1cca58dea67990ac7cce25e6763.tar.gz
rockbox-c8461c515299d1cca58dea67990ac7cce25e6763.zip
imx233: fix comments
Change-Id: I2e907feaec39e6ec1614ed19676b13a1d4f7f6b2
Diffstat (limited to 'firmware/target/arm')
-rw-r--r--firmware/target/arm/imx233/sdmmc-imx233.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/firmware/target/arm/imx233/sdmmc-imx233.c b/firmware/target/arm/imx233/sdmmc-imx233.c
index f552246245..8f293543ab 100644
--- a/firmware/target/arm/imx233/sdmmc-imx233.c
+++ b/firmware/target/arm/imx233/sdmmc-imx233.c
@@ -554,7 +554,7 @@ static int init_mmc_drive(int drive)
554} 554}
555#endif 555#endif
556 556
557// low-level function, don't call directly! 557/* low-level function, don't call directly! */
558static int __xfer_sectors(int drive, unsigned long start, int count, void *buf, bool read) 558static int __xfer_sectors(int drive, unsigned long start, int count, void *buf, bool read)
559{ 559{
560 uint32_t resp; 560 uint32_t resp;
@@ -596,7 +596,7 @@ static int __xfer_sectors(int drive, unsigned long start, int count, void *buf,
596static int transfer_sectors(int drive, unsigned long start, int count, void *buf, bool read) 596static int transfer_sectors(int drive, unsigned long start, int count, void *buf, bool read)
597{ 597{
598 int ret = 0; 598 int ret = 0;
599 // the function doesn't work when count is 0 599 /* the function doesn't work when count is 0 */
600 if(count == 0) 600 if(count == 0)
601 return ret; 601 return ret;
602 602
@@ -663,12 +663,12 @@ static int transfer_sectors(int drive, unsigned long start, int count, void *buf
663 void *ptr = CACHEALIGN_UP(buf); 663 void *ptr = CACHEALIGN_UP(buf);
664 if(buf != ptr) 664 if(buf != ptr)
665 { 665 {
666 // copy count-1 sector and then move within the buffer 666 /* copy count-1 sector and then move within the buffer */
667 ret = __xfer_sectors(drive, start, count - 1, ptr, read); 667 ret = __xfer_sectors(drive, start, count - 1, ptr, read);
668 memmove(buf, ptr, 512 * (count - 1)); 668 memmove(buf, ptr, 512 * (count - 1));
669 if(ret >= 0) 669 if(ret >= 0)
670 { 670 {
671 // transfer the last sector the aligned_buffer and copy 671 /* transfer the last sector the aligned_buffer and copy */
672 ret = __xfer_sectors(drive, start + count - 1, 1, 672 ret = __xfer_sectors(drive, start + count - 1, 1,
673 aligned_buffer[drive], read); 673 aligned_buffer[drive], read);
674 memcpy(buf + 512 * (count - 1), aligned_buffer[drive], 512); 674 memcpy(buf + 512 * (count - 1), aligned_buffer[drive], 512);
@@ -682,15 +682,15 @@ static int transfer_sectors(int drive, unsigned long start, int count, void *buf
682 void *ptr = CACHEALIGN_UP(buf); 682 void *ptr = CACHEALIGN_UP(buf);
683 if(buf != ptr) 683 if(buf != ptr)
684 { 684 {
685 // transfer the first sector to aligned_buffer and copy 685 /* transfer the first sector to aligned_buffer and copy */
686 memcpy(aligned_buffer[drive], buf, 512); 686 memcpy(aligned_buffer[drive], buf, 512);
687 ret = __xfer_sectors(drive, start, 1, aligned_buffer[drive], read); 687 ret = __xfer_sectors(drive, start, 1, aligned_buffer[drive], read);
688 if(ret >= 0) 688 if(ret >= 0)
689 { 689 {
690 // move within the buffer and transfer 690 /* move within the buffer and transfer */
691 memmove(ptr, buf + 512, 512 * (count - 1)); 691 memmove(ptr, buf + 512, 512 * (count - 1));
692 ret = __xfer_sectors(drive, start + 1, count - 1, ptr, read); 692 ret = __xfer_sectors(drive, start + 1, count - 1, ptr, read);
693 // move back 693 /* move back */
694 memmove(buf + 512, ptr, 512 * (count - 1)); 694 memmove(buf + 512, ptr, 512 * (count - 1));
695 memcpy(buf, aligned_buffer[drive], 512); 695 memcpy(buf, aligned_buffer[drive], 512);
696 } 696 }
@@ -712,7 +712,7 @@ static int transfer_sectors(int drive, unsigned long start, int count, void *buf
712 return ret; 712 return ret;
713} 713}
714 714
715// user specificies the sdmmc drive 715/* user specifies the sdmmc drive */
716static int part_read_fn(intptr_t user, unsigned long start, int count, void* buf) 716static int part_read_fn(intptr_t user, unsigned long start, int count, void* buf)
717{ 717{
718 return transfer_sectors(user, start, count, buf, true); 718 return transfer_sectors(user, start, count, buf, true);