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ide: Use mdelay() for long delays

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Rather than using very large numbers with udelay(), use mdelay(), which
is easier to follow.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-04-25 10:54:27 -06:00 committed by Tom Rini
parent 14a4f52b0d
commit 4d89f4bf2d
1 changed files with 11 additions and 14 deletions
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25
drivers/block/ide.c
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@ -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++;