Use a 'tries' variable which starts at the number of tries we want to do, rather than a 'retries' one that stops at either 1 or 2. This will make it easier to refactor the code to avoid the horrible #ifdefs
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/block/ide.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/block/ide.c b/drivers/block/ide.c index 1d5e54d6eb98..782780fd302b 100644 --- a/drivers/block/ide.c +++ b/drivers/block/ide.c @@ -557,7 +557,7 @@ static void ide_ident(struct blk_desc *dev_desc) hd_driveid_t iop; #ifdef CONFIG_ATAPI bool is_atapi = false; - int retries = 0; + int tries = 1; #endif int device;
@@ -570,10 +570,10 @@ static void ide_ident(struct blk_desc *dev_desc) dev_desc->uclass_id = UCLASS_IDE; #ifdef CONFIG_ATAPI
- retries = 0; + tries = 2;
/* Warning: This will be tricky to read */ - while (retries <= 1) { + while (tries) { /* check signature */ if ((ide_inb(device, ATA_SECT_CNT) == 0x01) && (ide_inb(device, ATA_SECT_NUM) == 0x01) && @@ -624,7 +624,7 @@ static void ide_ident(struct blk_desc *dev_desc) */ ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - retries++; + tries--; #else return; #endif @@ -634,7 +634,7 @@ static void ide_ident(struct blk_desc *dev_desc) break; } /* see above - ugly to read */
- if (retries == 2) /* Not found */ + if (!tries) /* Not found */ return; #endif