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authorChristoph Hellwig <hch@lst.de>2005-07-04 17:48:19 +0200
committerJames Bottomley <jejb@mulgrave.(none)>2005-08-02 11:43:44 -0500
commit8af50dcd22aa0a5840f18276ff10a6977abc3853 (patch)
treef42b951cce636d189249c8a915a5d10caaf62a40
parenta6c42741ace2fee235b6902e76f3c86a01d32146 (diff)
downloadop-kernel-dev-8af50dcd22aa0a5840f18276ff10a6977abc3853.zip
op-kernel-dev-8af50dcd22aa0a5840f18276ff10a6977abc3853.tar.gz
[SCSI] qla1280: interupt posting for irq disabling/enabling
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thiemo Seufer <ths@linux-mips.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
-rw-r--r--drivers/scsi/qla1280.c57
1 files changed, 20 insertions, 37 deletions
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index eb5543e..58ecdc6 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -1265,6 +1265,22 @@ qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[])
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_id, struct pt_regs *regs)
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_id, struct pt_regs *regs)
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 * sts, struct scsi_cmnd *cp)
/* 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, const struct pci_device_id *id)
#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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