diff options
author | Anirban Chakraborty <anirban.chakraborty@qlogic.com> | 2009-12-02 10:36:55 -0800 |
---|---|---|
committer | James Bottomley <James.Bottomley@suse.de> | 2009-12-10 08:54:19 -0600 |
commit | 3155754a6b7985a80c41d84dd06530ff543f52a8 (patch) | |
tree | ba11ce0747dbfad6ecdcb6d42d71ca8675122f63 /drivers/scsi/qla2xxx/qla_mid.c | |
parent | c45dd30551c371cb1e7a742136b8b36f6aba63f8 (diff) | |
download | op-kernel-dev-3155754a6b7985a80c41d84dd06530ff543f52a8.zip op-kernel-dev-3155754a6b7985a80c41d84dd06530ff543f52a8.tar.gz |
[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 <anirban.chakraborty@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mid.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mid.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index a47d343..2a4c7f4 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); |