Commit 5b864496 authored by ching Huang's avatar ching Huang Committed by Martin K. Petersen
Browse files

scsi: arcmsr: Fix the wrong CDB payload report to IOP 

This patch fixes the wrong CDB payload report to IOP.

Link: https://lore.kernel.org/r/d2c97df3c817595c6faf582839316209022f70da.camel@areca.com.tw


Signed-off-by: default avatarching Huang <ching2048@areca.com.tw>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 311e87b7

drivers/scsi/arcmsr/arcmsr_hba.c

+6 −2
Original line number Diff line number Diff line
@@ -1923,8 +1923,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr 


		if (ccb->arc_cdb_size <= 0x300)

			arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1;

		else

			arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1;

		else {

			arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2;

			if (arc_cdb_size > 0xF)

				arc_cdb_size = 0xF;

			arc_cdb_size = (arc_cdb_size << 1) | 1;

		}

		ccb_post_stamp = (ccb->smid | arc_cdb_size);

		writel(0, &pmu->inbound_queueport_high);

		writel(ccb_post_stamp, &pmu->inbound_queueport_low);