From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Verkuil Subject: [PATCH] pm80xx: fix Adaptec 71605H hang Date: Sun, 14 Jul 2013 10:25:01 +0200 Message-ID: <51E2605D.3000301@xs4all.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from smtp-vbr2.xs4all.nl ([194.109.24.22]:2928 "EHLO smtp-vbr2.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751680Ab3GNIZZ (ORCPT ); Sun, 14 Jul 2013 04:25:25 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: AnandKumar.Santhanam@pmcs.com, lindar_liu@usish.com, Sangeetha.Gnanasekaran@pmcs.com, xjtuwjp@gmail.com The IO command size is 128 bytes for these new controllers as opposed to 64 for the old 8001 controller. The Adaptec out-of-tree driver did this correctly. After comparing the two this turned out to be the crucial difference. Signed-off-by: Hans Verkuil Acked-by: AnandKumar.Santhanam@pmcs.com Cc: stable@vger.kernel.org # for v3.10 and up --- drivers/scsi/pm8001/pm80xx_hwi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 302514d..e1db5ca 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -275,7 +275,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha) for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) { pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt = - PM8001_MPI_QUEUE | (64 << 16) | (0x00<<30); + PM8001_MPI_QUEUE | (128 << 16) | (0x00<<30); pm8001_ha->inbnd_q_tbl[i].upper_base_addr = pm8001_ha->memoryMap.region[IB + i].phys_addr_hi; pm8001_ha->inbnd_q_tbl[i].lower_base_addr = @@ -301,7 +301,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha) } for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) { pm8001_ha->outbnd_q_tbl[i].element_size_cnt = - PM8001_MPI_QUEUE | (64 << 16) | (0x01<<30); + PM8001_MPI_QUEUE | (128 << 16) | (0x01<<30); pm8001_ha->outbnd_q_tbl[i].upper_base_addr = pm8001_ha->memoryMap.region[OB + i].phys_addr_hi; pm8001_ha->outbnd_q_tbl[i].lower_base_addr = -- 1.8.3.2