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Add udelay to A100U2W SCSI driver

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udelay is required on Sun Ultra 5.

I don't know any reason or explanation for this, it was found purely
experimentally.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mikulas Patocka 2008-07-15 17:16:38 -04:00 committed by Linus Torvalds
parent 987ff954cd
commit 56d387ec21
1 changed files with 1 additions and 0 deletions
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drivers/scsi/a100u2w.c
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@ -401,6 +401,7 @@ static u8 orc_load_firmware(struct orc_host * host)
/* Copy the code from the BIOS to the SRAM */
udelay(500); /* Required on Sun Ultra 5 ... 350 -> failures */
bios_addr = (u16) le32_to_cpu(data32); /* FW code locate at BIOS address + ? */
for (i = 0, data32_ptr = (u8 *) & data32; /* Download the code */
i < 0x1000; /* Firmware code size = 4K */