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| author | Simon Glass <sjg@chromium.org> | 2023-04-25 10:54:27 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-04-27 13:51:06 -0400 |
| commit | 4d89f4bf2d7db2e03f4c9d85b00f64cf7804be58 (patch) | |
| tree | c02e464782c2fdb6e53ff3be2983bf751156cef3 /drivers/block | |
| parent | 14a4f52b0d1b561ce52c4590bdd339497dfd5be5 (diff) | |
| download | u-boot-4d89f4bf2d7db2e03f4c9d85b00f64cf7804be58.zip u-boot-4d89f4bf2d7db2e03f4c9d85b00f64cf7804be58.tar.gz u-boot-4d89f4bf2d7db2e03f4c9d85b00f64cf7804be58.tar.bz2 | |
ide: Use mdelay() for long delays
Rather than using very large numbers with udelay(), use mdelay(), which
is easier to follow.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/ide.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/block/ide.c b/drivers/block/ide.c index f36bec8..6f601bc 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++; |