Commit d5e89385 authored Oct 03, 2007 by FUJITA Tomonori Committed by James Bottomley Oct 04, 2007

[SCSI] megaraid_old: fix READ_CAPACITY



The bulk transfer mode got eleminated by
3f6270ef.  Unfortunately, this mode is
required for READ_CAPACITY commands on certain cards, so put it back
again.  This fixes a boot failure regression reported by Burton
Windle.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

parent 804b3f9a

drivers/scsi/megaraid.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -1753,6 +1753,14 @@ mega_build_sglist(adapter_t adapter, scb_t scb, u32 buf, u32 len)

		*len = 0;

		if (scsi_sg_count(cmd) == 1 && !adapter->has_64bit_addr) {
		sg = scsi_sglist(cmd);
		scb->dma_h_bulkdata = sg_dma_address(sg);
		*buf = (u32)scb->dma_h_bulkdata;
		*len = sg_dma_len(sg);
		return 0;
		}

		scsi_for_each_sg(cmd, sg, sgcnt, idx) {
		if (adapter->has_64bit_addr) {
		scb->sgl64[idx].address = sg_dma_address(sg);