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author | Sarang Radke <sarang.radke@qlogic.com> | 2011-03-23 08:07:33 -0700 |
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committer | James Bottomley <James.Bottomley@suse.de> | 2011-03-23 12:53:09 -0500 |
commit | 5fa8b573134108a333a317378998a9f1299c4dd6 (patch) | |
tree | 70925c9a578c65753e1cfdcee2aa058b2f5f97ca /drivers/scsi/qla4xxx | |
parent | 3dea642afd9187728d119fce5c82a7ed9faa9b6a (diff) | |
download | kernel_samsung_aries-5fa8b573134108a333a317378998a9f1299c4dd6.zip kernel_samsung_aries-5fa8b573134108a333a317378998a9f1299c4dd6.tar.gz kernel_samsung_aries-5fa8b573134108a333a317378998a9f1299c4dd6.tar.bz2 |
[SCSI] qla4xxx: Use polling mode for disable interrupt mailbox completion
Disable Interrupt MBX completion will disable the interrupt on
successful completion. Fixed the bug where driver was waiting for
Interrupt to come in for its completion. Now driver will poll for
disable interrupt MBX completion.
Signed-off-by: Sarang Radke <sarang.radke@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla4xxx')
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_nx.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 3d5ef2d..35381cb 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -2304,14 +2304,13 @@ qla4_8xxx_enable_intrs(struct scsi_qla_host *ha) void qla4_8xxx_disable_intrs(struct scsi_qla_host *ha) { - if (test_bit(AF_INTERRUPTS_ON, &ha->flags)) + if (test_and_clear_bit(AF_INTERRUPTS_ON, &ha->flags)) qla4_8xxx_mbx_intr_disable(ha); spin_lock_irq(&ha->hardware_lock); /* BIT 10 - set */ qla4_8xxx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); spin_unlock_irq(&ha->hardware_lock); - clear_bit(AF_INTERRUPTS_ON, &ha->flags); } struct ql4_init_msix_entry { |