Merge branch 'core/printk' into tracing/ftrace

[sfrench/cifs-2.6.git] / drivers / scsi / qla2xxx / qla_isr.c

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e28ad81baf1e09d84edcbfef99e1ce945c2264b3..f250e5b7897cf7387f14579d50dd9462c2b0dc28 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -266,6 +266,40 @@ qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
        }
 }
 
+static void
+qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
+{
+       static char *event[] =
+               { "Complete", "Request Notification", "Time Extension" };
+       int rval;
+       struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
+       uint16_t __iomem *wptr;
+       uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
+
+       /* Seed data -- mailbox1 -> mailbox7. */
+       wptr = (uint16_t __iomem *)&reg24->mailbox1;
+       for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
+               mb[cnt] = RD_REG_WORD(wptr);
+
+       DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
+           "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no,
+           event[aen & 0xff],
+           mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]));
+
+       /* Acknowledgement needed? [Notify && non-zero timeout]. */
+       timeout = (descr >> 8) & 0xf;
+       if (aen != MBA_IDC_NOTIFY || !timeout)
+               return;
+
+       DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
+           "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout));
+
+       rval = qla2x00_post_idc_ack_work(vha, mb);
+       if (rval != QLA_SUCCESS)
+               qla_printk(KERN_WARNING, vha->hw,
+                   "IDC failed to post ACK.\n");
+}
+
 /**
  * qla2x00_async_event() - Process aynchronous events.
  * @ha: SCSI driver HA context
@@ -714,21 +748,9 @@ skip_rio:
                    "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3]));
                break;
        case MBA_IDC_COMPLETE:
-               DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
-                   "Complete -- %04x %04x %04x\n", vha->host_no, mb[1], mb[2],
-                   mb[3]));
-               break;
        case MBA_IDC_NOTIFY:
-               DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
-                   "Request Notification -- %04x %04x %04x\n", vha->host_no,
-                   mb[1], mb[2], mb[3]));
-               /**** Mailbox registers 4 - 7 valid!!! */
-               break;
        case MBA_IDC_TIME_EXT:
-               DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
-                   "Time Extension -- %04x %04x %04x\n", vha->host_no, mb[1],
-                   mb[2], mb[3]));
-               /**** Mailbox registers 4 - 7 valid!!! */
+               qla81xx_idc_event(vha, mb[0], mb[1]);
                break;
        }
 
@@ -1707,7 +1729,6 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
        struct qla_hw_data *ha;
        struct rsp_que *rsp;
        struct device_reg_24xx __iomem *reg;
-       uint16_t msix_disabled_hccr = 0;
 
        rsp = (struct rsp_que *) dev_id;
        if (!rsp) {
@@ -1720,17 +1741,8 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
 
        spin_lock_irq(&ha->hardware_lock);
 
-       msix_disabled_hccr = rsp->options;
-       if (!rsp->id)
-               msix_disabled_hccr &= __constant_cpu_to_le32(BIT_22);
-       else
-               msix_disabled_hccr &= __constant_cpu_to_le32(BIT_6);
-
        qla24xx_process_response_queue(rsp);
 
-       if (!msix_disabled_hccr)
-               WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
-
        spin_unlock_irq(&ha->hardware_lock);
 
        return IRQ_HANDLED;