diff options
| author | Saurav Kashyap <saurav.kashyap@qlogic.com> | 2014-02-26 10:15:11 +0100 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 18:18:51 +0100 |
| commit | fbe9c54b1da7c1f5795bc516676544b2ced58535 (patch) | |
| tree | 1803f74fb6b9707dda1f9c98ef1496b25090c591 /drivers/scsi/qla2xxx/qla_mr.c | |
| parent | [SCSI] qla2xxx: Avoid poisoning in the response queue for ISPFX00. (diff) | |
| download | linux-fbe9c54b1da7c1f5795bc516676544b2ced58535.tar.xz linux-fbe9c54b1da7c1f5795bc516676544b2ced58535.zip | |
[SCSI] qla2xxx: Simplify the ISPFX00 interrupt handler code for ISPFX00.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mr.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 290322f0a8d7..046a1699cb79 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -3014,6 +3014,7 @@ qlafx00_intr_handler(int irq, void *dev_id) struct rsp_que *rsp; unsigned long flags; uint32_t clr_intr = 0; + uint32_t intr_stat = 0; rsp = (struct rsp_que *) dev_id; if (!rsp) { @@ -3035,34 +3036,26 @@ qlafx00_intr_handler(int irq, void *dev_id) stat = QLAFX00_RD_INTR_REG(ha); if (qla2x00_check_reg_for_disconnect(vha, stat)) break; - if ((stat & QLAFX00_HST_INT_STS_BITS) == 0) + intr_stat = stat & QLAFX00_HST_INT_STS_BITS; + if (!intr_stat) break; - switch (stat & QLAFX00_HST_INT_STS_BITS) { - case QLAFX00_INTR_MB_CMPLT: - case QLAFX00_INTR_MB_RSP_CMPLT: - case QLAFX00_INTR_MB_ASYNC_CMPLT: - case QLAFX00_INTR_ALL_CMPLT: + if (stat & QLAFX00_INTR_MB_CMPLT) { mb[0] = RD_REG_WORD(®->mailbox16); qlafx00_mbx_completion(vha, mb[0]); status |= MBX_INTERRUPT; clr_intr |= QLAFX00_INTR_MB_CMPLT; - break; - case QLAFX00_INTR_ASYNC_CMPLT: - case QLAFX00_INTR_RSP_ASYNC_CMPLT: + } + if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) { ha->aenmb[0] = RD_REG_WORD(®->aenmailbox0); qlafx00_async_event(vha); clr_intr |= QLAFX00_INTR_ASYNC_CMPLT; - break; - case QLAFX00_INTR_RSP_CMPLT: + } + if (intr_stat & QLAFX00_INTR_RSP_CMPLT) { qlafx00_process_response_queue(vha, rsp); clr_intr |= QLAFX00_INTR_RSP_CMPLT; - break; - default: - ql_dbg(ql_dbg_async, vha, 0x507a, - "Unrecognized interrupt type (%d).\n", stat); - break; } + QLAFX00_CLR_INTR_REG(ha, clr_intr); QLAFX00_RD_INTR_REG(ha); } |