From 3155754a6b7985a80c41d84dd06530ff543f52a8 Mon Sep 17 00:00:00 2001 From: Anirban Chakraborty Date: Wed, 2 Dec 2009 10:36:55 -0800 Subject: [SCSI] qla2xxx: fix for multiqueue in MISX disabled case Fix to accommodate a hardware bug in multiqueue mode that does not work properly when acknowledgement of MSIX Interrupts is disabled. Signed-off-by: Anirban Chakraborty Signed-off-by: Giridhar Malavali Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_mid.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/scsi/qla2xxx/qla_mid.c') diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index a47d34308a3a..2a4c7f4e7b69 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -696,6 +696,10 @@ qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, /* Use alternate PCI devfn */ if (LSB(rsp->rid)) options |= BIT_5; + /* Enable MSIX handshake mode on for uncapable adapters */ + if (!IS_MSIX_NACK_CAPABLE(ha)) + options |= BIT_6; + rsp->options = options; rsp->id = que_id; reg = ISP_QUE_REG(ha, que_id); -- cgit v1.2.3