Hi,
This proof-of-concept patch converts the aic79xx driver to use the
pci_request_irq() function.
Please note that I'm not submitting the driver changes, they're there
only for illustration purposes. I'll CC the appropriate maintainers
when/if an API is agreed upon.
Regards,
Frederik
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h
index 448c39c..67897d4 100644
drivers/scsi/aic7xxx/aic79xx_osm.h | 1 -
drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 13 -------------
drivers/scsi/aic7xxx/aic79xx_pci.c | 12 ++++++++++--
3 files changed, 10 insertions(+), 16 deletions(-)
Index: 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_osm.h
===================================================================
--- 2.6.18-mm3.orig/drivers/scsi/aic7xxx/aic79xx_osm.h
+++ 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_osm.h
@@ -594,7 +594,6 @@ void ahd_power_state_change(struct ahd_s
int ahd_linux_pci_init(void);
void ahd_linux_pci_exit(void);
int ahd_pci_map_registers(struct ahd_softc *ahd);
-int ahd_pci_map_int(struct ahd_softc *ahd);
static __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t pci,
int reg, int width);
Index: 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
===================================================================
--- 2.6.18-mm3.orig/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -336,19 +336,6 @@ ahd_pci_map_registers(struct ahd_softc *
return (error);
}
-int
-ahd_pci_map_int(struct ahd_softc *ahd)
-{
- int error;
-
- error = request_irq(ahd->dev_softc->irq, ahd_linux_isr,
- IRQF_SHARED, "aic79xx", ahd);
- if (!error)
- ahd->platform_data->irq = ahd->dev_softc->irq;
-
- return (-error);
-}
-
void
ahd_power_state_change(struct ahd_softc *ahd, ahd_power_state new_state)
{
Index: 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_pci.c
===================================================================
--- 2.6.18-mm3.orig/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ 2.6.18-mm3/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -376,10 +376,18 @@ ahd_pci_config(struct ahd_softc *ahd, st
/*
* Allow interrupts now that we are completely setup.
+ *
+ * Note: pci_request_irq return value is negated due to aic79xx
+ * error handling style
*/
- error = ahd_pci_map_int(ahd);
- if (!error)
+
+ error = -pci_request_irq(ahd->dev_softc, ahd_linux_isr,
+ 0, "aic79xx");
+ if (!error) {
+ ahd->platform_data->irq = ahd->dev_softc->irq;
ahd->init_level++;
+ }
+
return error;
}
-
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