[SCSI] qla1280: interupt posting for irq disabling/enabling

[Linux Kernel Mailing List]

tree f42b951cce636d189249c8a915a5d10caaf62a40
parent a6c42741ace2fee235b6902e76f3c86a01d32146
author Christoph Hellwig <[EMAIL PROTECTED]> Mon, 04 Jul 2005 17:48:19 +0200
committer James Bottomley <[EMAIL PROTECTED](none)> Tue, 02 Aug 2005 21:43:44 
-0500

[SCSI] qla1280: interupt posting for irq disabling/enabling

Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Thiemo Seufer <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>

 drivers/scsi/qla1280.c |   57 +++++++++++++++++--------------------------------
 1 files changed, 20 insertions(+), 37 deletions(-)

diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -1265,6 +1265,22 @@ qla1280_biosparam_old(Disk * disk, kdev_
        return qla1280_biosparam(disk->device, NULL, disk->capacity, geom);
 }
 #endif
+ 
+/* disable risc and host interrupts */
+static inline void
+qla1280_disable_intrs(struct scsi_qla_host *ha)
+{
+       WRT_REG_WORD(&ha->iobase->ictrl, 0);
+       RD_REG_WORD(&ha->iobase->ictrl);        /* PCI Posted Write flush */
+}
+
+/* enable risc and host interrupts */
+static inline void
+qla1280_enable_intrs(struct scsi_qla_host *ha)
+{
+       WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC));
+       RD_REG_WORD(&ha->iobase->ictrl);        /* PCI Posted Write flush */
+}
 
 /**************************************************************************
  * qla1280_intr_handler
@@ -1286,7 +1302,7 @@ qla1280_intr_handler(int irq, void *dev_
        ha->isr_count++;
        reg = ha->iobase;
 
-       WRT_REG_WORD(&reg->ictrl, 0);   /* disable our interrupt. */
+       qla1280_disable_intrs(ha);
 
        data = qla1280_debounce_register(&reg->istatus);
        /* Check for pending interrupts. */
@@ -1299,8 +1315,7 @@ qla1280_intr_handler(int irq, void *dev_
 
        spin_unlock(HOST_LOCK);
 
-       /* enable our interrupt. */
-       WRT_REG_WORD(&reg->ictrl, (ISP_EN_INT | ISP_EN_RISC));
+       qla1280_enable_intrs(ha);
 
        LEAVE_INTR("qla1280_intr_handler");
        return IRQ_RETVAL(handled);
@@ -1613,38 +1628,6 @@ qla1280_return_status(struct response * 
 /*                QLogic ISP1280 Hardware Support Functions.                */
 /****************************************************************************/
 
- /*
-  * qla2100_enable_intrs
-  * qla2100_disable_intrs
-  *
-  * Input:
-  *      ha = adapter block pointer.
-  *
-  * Returns:
-  *      None
-  */
-static inline void
-qla1280_enable_intrs(struct scsi_qla_host *ha)
-{
-       struct device_reg __iomem *reg;
-
-       reg = ha->iobase;
-       /* enable risc and host interrupts */
-       WRT_REG_WORD(&reg->ictrl, (ISP_EN_INT | ISP_EN_RISC));
-       RD_REG_WORD(&reg->ictrl);       /* PCI Posted Write flush */
-}
-
-static inline void
-qla1280_disable_intrs(struct scsi_qla_host *ha)
-{
-       struct device_reg __iomem *reg;
-
-       reg = ha->iobase;
-       /* disable risc and host interrupts */
-       WRT_REG_WORD(&reg->ictrl, 0);
-       RD_REG_WORD(&reg->ictrl);       /* PCI Posted Write flush */
-}
-
 /*
  * qla1280_initialize_adapter
  *      Initialize board.
@@ -4751,7 +4734,7 @@ qla1280_probe_one(struct pci_dev *pdev, 
 
 #if LINUX_VERSION_CODE >= 0x020600
  error_disable_adapter:
-       WRT_REG_WORD(&ha->iobase->ictrl, 0);
+       qla1280_disable_intrs(ha);
 #endif
  error_free_irq:
        free_irq(pdev->irq, ha);
@@ -4788,7 +4771,7 @@ qla1280_remove_one(struct pci_dev *pdev)
        scsi_remove_host(host);
 #endif
 
-       WRT_REG_WORD(&ha->iobase->ictrl, 0);
+       qla1280_disable_intrs(ha);
 
        free_irq(pdev->irq, ha);
 
-
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