Rather than using very large numbers with udelay(), use mdelay(), which is easier to follow.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/block/ide.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/block/ide.c b/drivers/block/ide.c index f36bec8b3a8a..6f601bcf8646 100644 --- a/drivers/block/ide.c +++ b/drivers/block/ide.c @@ -71,9 +71,7 @@ static void ide_reset(void) /* de-assert RESET signal */ ide_set_reset(0);
- /* wait 250 ms */ - for (i = 0; i < 250; ++i) - udelay(1000); + mdelay(250); } #else #define ide_reset() /* dummy */ @@ -237,7 +235,7 @@ unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2);
/* ATAPI Command written wait for completition */ - udelay(5000); /* device must set bsy */ + mdelay(5); /* device must set bsy */
mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; /* @@ -293,7 +291,7 @@ unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, n); } } - udelay(5000); /* seems that some CD ROMs need this... */ + mdelay(5); /* seems that some CD ROMs need this... */ mask = ATA_STAT_BUSY | ATA_STAT_ERR; res = 0; c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); @@ -357,7 +355,7 @@ retry:
if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */ if (unitattn-- > 0) { - udelay(200 * 1000); + mdelay(200); goto retry; } printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN); @@ -366,7 +364,7 @@ retry: if ((asc == 0x4) && (ascq == 0x1)) { /* not ready, but will be ready soon */ if (notready-- > 0) { - udelay(200 * 1000); + mdelay(200); goto retry; } printf("Drive not ready, tried %d times\n", @@ -586,9 +584,9 @@ static void ide_ident(struct blk_desc *dev_desc) debug("Retrying...\n"); ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - udelay(100000); + mdelay(100); ide_outb(device, ATA_COMMAND, 0x08); - udelay(500000); /* 500 ms */ + mdelay(500); } /* * Select device @@ -715,14 +713,13 @@ void ide_init(void)
ide_bus_ok[bus] = 0;
- /* Select device - */ - udelay(100000); /* 100 ms */ + /* Select device */ + mdelay(100); ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); - udelay(100000); /* 100 ms */ + mdelay(100); i = 0; do { - udelay(10000); /* 10 ms */ + mdelay(10);
c = ide_inb(dev, ATA_STATUS); i++;