From 56d387ec210049be2fdb0fe26ba6d6de1b3c1b15 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 15 Jul 2008 17:16:38 -0400 Subject: [PATCH] Add udelay to A100U2W SCSI driver 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 Signed-off-by: Linus Torvalds --- drivers/scsi/a100u2w.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index 1dd0fcfe1d70..1e8bdd457834 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -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 */ -- 2.20.1