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[SCSI] megaraid_sas: function pointer for disable interrupt

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This patch adds function pointer to invoke disable interrupt for
xscale and ppc IOP based controllers. Removes old implementation that checks
for controller type in megasas_disable_intr.

Signed-off-by: Sumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Sumant Patro 2006-10-03 12:52:12 -07:00 committed by James Bottomley
parent b1df99d943
commit b274cab779
2 changed files with 33 additions and 23 deletions
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55
drivers/scsi/megaraid/megaraid_sas.c
View file

@ -134,6 +134,19 @@ megasas_enable_intr_xscale(struct megasas_register_set __iomem * regs)
readl(&regs->outbound_intr_mask);
}
/**
* megasas_disable_intr_xscale -Disables interrupt
* @regs: MFI register set
*/
static inline void
megasas_disable_intr_xscale(struct megasas_register_set __iomem * regs)
{
u32 mask = 0x1f;
writel(mask, &regs->outbound_intr_mask);
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
}
/**
* megasas_read_fw_status_reg_xscale - returns the current FW status value
* @regs: MFI register set
@ -185,6 +198,7 @@ static struct megasas_instance_template megasas_instance_template_xscale = {
.fire_cmd = megasas_fire_cmd_xscale,
.enable_intr = megasas_enable_intr_xscale,
.disable_intr = megasas_disable_intr_xscale,
.clear_intr = megasas_clear_intr_xscale,
.read_fw_status_reg = megasas_read_fw_status_reg_xscale,
};
@ -214,6 +228,19 @@ megasas_enable_intr_ppc(struct megasas_register_set __iomem * regs)
readl(&regs->outbound_intr_mask);
}
/**
* megasas_disable_intr_ppc - Disable interrupt
* @regs: MFI register set
*/
static inline void
megasas_disable_intr_ppc(struct megasas_register_set __iomem * regs)
{
u32 mask = 0xFFFFFFFF;
writel(mask, &regs->outbound_intr_mask);
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
}
/**
* megasas_read_fw_status_reg_ppc - returns the current FW status value
* @regs: MFI register set
@ -265,6 +292,7 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
.fire_cmd = megasas_fire_cmd_ppc,
.enable_intr = megasas_enable_intr_ppc,
.disable_intr = megasas_disable_intr_ppc,
.clear_intr = megasas_clear_intr_ppc,
.read_fw_status_reg = megasas_read_fw_status_reg_ppc,
};
@ -274,25 +302,6 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
* specific to ppc (deviceid : 0x60) controllers
*/
/**
* megasas_disable_intr - Disables interrupts
* @regs: MFI register set
*/
static inline void
megasas_disable_intr(struct megasas_instance *instance)
{
u32 mask = 0x1f;
struct megasas_register_set __iomem *regs = instance->reg_set;
if(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078R)
mask = 0xffffffff;
writel(mask, &regs->outbound_intr_mask);
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
}
/**
* megasas_issue_polled - Issues a polling command
* @instance: Adapter soft state
@ -1293,7 +1302,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
/*
* Bring it to READY state; assuming max wait 10 secs
*/
megasas_disable_intr(instance);
instance->instancet->disable_intr(instance->reg_set);
writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
max_wait = 10;
@ -1799,7 +1808,7 @@ static int megasas_init_mfi(struct megasas_instance *instance)
/*
* disable the intr before firing the init frame to FW
*/
megasas_disable_intr(instance);
instance->instancet->disable_intr(instance->reg_set);
/*
* Issue the init frame in polled mode
@ -2279,7 +2288,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
megasas_mgmt_info.max_index--;
pci_set_drvdata(pdev, NULL);
megasas_disable_intr(instance);
instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);
megasas_release_mfi(instance);
@ -2409,7 +2418,7 @@ static void megasas_detach_one(struct pci_dev *pdev)
pci_set_drvdata(instance->pdev, NULL);
megasas_disable_intr(instance);
instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);

1
drivers/scsi/megaraid/megaraid_sas.h
View file

@ -1049,6 +1049,7 @@ struct megasas_evt_detail {
void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
void (*enable_intr)(struct megasas_register_set __iomem *) ;
void (*disable_intr)(struct megasas_register_set __iomem *);
int (*clear_intr)(struct megasas_register_set __iomem *);