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>

diff --git a/drivers/block/ide.c b/drivers/block/ide.c
index f36bec8..6f601bc 100644 (file)
--- 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++;