[PATCH] drivers: mtd: sm_ftl.c: Fix alignment of block comment

From: Shubhankar Kuranagatti
Date: Tue May 04 2021 - 02:21:23 EST

A star has been added to subsequent line of block comment
The closing */ has been shifted to new line
This is done to maintain code uniformity

Signed-off-by: Shubhankar Kuranagatti <shubhankarvk@xxxxxxxxx>
---
drivers/mtd/sm_ftl.c | 51 +++++++++++++++++++++++++++-----------------
1 file changed, 32 insertions(+), 19 deletions(-)

diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 4d1ae25507ab..0cff2cda1b5a 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -265,7 +265,8 @@ static int sm_read_sector(struct sm_ftl *ftl,
again:
if (try++) {
/* Avoid infinite recursion on CIS reads, sm_recheck_media
- won't help anyway */
+ * won't help anyway
+ */
if (zone == 0 && block == ftl->cis_block && boffset ==
ftl->cis_boffset)
return ret;
@@ -276,7 +277,8 @@ static int sm_read_sector(struct sm_ftl *ftl,
}

/* Unfortunately, oob read will _always_ succeed,
- despite card removal..... */
+ * despite card removal.....
+ */
ret = mtd_read_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);

/* Test for unknown errors */
@@ -411,9 +413,10 @@ static int sm_write_block(struct sm_ftl *ftl, uint8_t *buf,

/* If write fails. try to erase the block */
/* This is safe, because we never write in blocks
- that contain valuable data.
- This is intended to repair block that are marked
- as erased, but that isn't fully erased*/
+ * that contain valuable data.
+ * This is intended to repair block that are marked
+ * as erased, but that isn't fully erased
+ */

if (sm_erase_block(ftl, zone, block, 0))
return -EIO;
@@ -448,7 +451,8 @@ static void sm_mark_block_bad(struct sm_ftl *ftl, int zone, int block)

/* We aren't checking the return value, because we don't care */
/* This also fails on fake xD cards, but I guess these won't expose
- any bad blocks till fail completely */
+ * any bad blocks till fail completely
+ */
for (boffset = 0; boffset < ftl->block_size; boffset += SM_SECTOR_SIZE)
sm_write_sector(ftl, zone, block, boffset, NULL, &oob);
}
@@ -505,7 +509,8 @@ static int sm_check_block(struct sm_ftl *ftl, int zone, int block)

/* First just check that block doesn't look fishy */
/* Only blocks that are valid or are sliced in two parts, are
- accepted */
+ * accepted
+ */
for (boffset = 0; boffset < ftl->block_size;
boffset += SM_SECTOR_SIZE) {

@@ -554,7 +559,8 @@ static const uint8_t cis_signature[] = {
0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20
};
/* Find out media parameters.
- * This ideally has to be based on nand id, but for now device size is enough */
+ * This ideally has to be based on nand id, but for now device size is enough
+ */
static int sm_get_media_info(struct sm_ftl *ftl, struct mtd_info *mtd)
{
int i;
@@ -607,7 +613,8 @@ static int sm_get_media_info(struct sm_ftl *ftl, struct mtd_info *mtd)
}

/* Minimum xD size is 16MiB. Also, all xD cards have standard zone
- sizes. SmartMedia cards exist up to 128 MiB and have same layout*/
+ * sizes. SmartMedia cards exist up to 128 MiB and have same layout
+ */
if (size_in_megs >= 16) {
ftl->zone_count = size_in_megs / 16;
ftl->zone_size = 1024;
@@ -782,7 +789,8 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
}

/* Test to see if block is erased. It is enough to test
- first sector, because erase happens in one shot */
+ * first sector, because erase happens in one shot
+ */
if (sm_block_erased(&oob)) {
kfifo_in(&zone->free_sectors,
(unsigned char *)&block, 2);
@@ -792,7 +800,8 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
/* If block is marked as bad, skip it */
/* This assumes we can trust first sector*/
/* However the way the block valid status is defined, ensures
- very low probability of failure here */
+ * very low probability of failure here
+ */
if (!sm_block_valid(&oob)) {
dbg("PH %04d <-> <marked bad>", block);
continue;
@@ -803,7 +812,8 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)

/* Invalid LBA means that block is damaged. */
/* We can try to erase it, or mark it as bad, but
- lets leave that to recovery application */
+ * lets leave that to recovery application
+ */
if (lba == -2 || lba >= ftl->max_lba) {
dbg("PH %04d <-> LBA %04d(bad)", block, lba);
continue;
@@ -811,7 +821,8 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)


/* If there is no collision,
- just put the sector in the FTL table */
+ * just put the sector in the FTL table
+ */
if (zone->lba_to_phys_table[lba] < 0) {
dbg_verbose("PH %04d <-> LBA %04d", block, lba);
zone->lba_to_phys_table[lba] = block;
@@ -834,9 +845,9 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
}

/* If both blocks are valid and share same LBA, it means that
- they hold different versions of same data. It not
- known which is more recent, thus just erase one of them
- */
+ * they hold different versions of same data. It not
+ * known which is more recent, thus just erase one of them
+ */
sm_printk("both blocks are valid, erasing the later");
sm_erase_block(ftl, zone_num, block, 1);
}
@@ -845,7 +856,8 @@ static int sm_init_zone(struct sm_ftl *ftl, int zone_num)
zone->initialized = 1;

/* No free sectors, means that the zone is heavily damaged, write won't
- work, but it can still can be (partially) read */
+ * work, but it can still can be (partially) read
+ */
if (!kfifo_len(&zone->free_sectors)) {
sm_printk("no free blocks in zone %d", zone_num);
return 0;
@@ -952,8 +964,9 @@ static int sm_cache_flush(struct sm_ftl *ftl)

/* If there are no spare blocks, */
/* we could still continue by erasing/writing the current block,
- but for such worn out media it doesn't worth the trouble,
- and the dangers */
+ * but for such worn out media it doesn't worth the trouble,
+ * and the dangers
+ */
if (kfifo_out(&zone->free_sectors,
(unsigned char *)&write_sector, 2) != 2) {
dbg("no free sectors for write!");
--
2.17.1