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-rw-r--r--drivers/sn/Kconfig4
-rw-r--r--drivers/sn/ioc3.c41
2 files changed, 20 insertions, 25 deletions
diff --git a/drivers/sn/Kconfig b/drivers/sn/Kconfig
index d95265b187a..a3473162587 100644
--- a/drivers/sn/Kconfig
+++ b/drivers/sn/Kconfig
@@ -3,10 +3,11 @@
#
menu "SN Devices"
+ depends on SGI_SN
config SGI_IOC4
tristate "SGI IOC4 Base IO support"
- depends on (IA64_GENERIC || IA64_SGI_SN2) && MMTIMER
+ depends on MMTIMER
default m
---help---
This option enables basic support for the SGI IOC4-based Base IO
@@ -19,7 +20,6 @@ config SGI_IOC4
config SGI_IOC3
tristate "SGI IOC3 Base IO support"
- depends on (IA64_GENERIC || IA64_SGI_SN2)
default m
---help---
This option enables basic support for the SGI IOC3-based Base IO
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index aaa009f4a7b..93449a1a006 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -38,10 +38,10 @@ static inline unsigned mcr_pack(unsigned pulse, unsigned sample)
static int nic_wait(struct ioc3_driver_data *idd)
{
- volatile unsigned mcr;
+ unsigned mcr;
do {
- mcr = (volatile unsigned)idd->vma->mcr;
+ mcr = readl(&idd->vma->mcr);
} while (!(mcr & 2));
return mcr & 1;
@@ -53,7 +53,7 @@ static int nic_reset(struct ioc3_driver_data *idd)
unsigned long flags;
local_irq_save(flags);
- idd->vma->mcr = mcr_pack(500, 65);
+ writel(mcr_pack(500, 65), &idd->vma->mcr);
presence = nic_wait(idd);
local_irq_restore(flags);
@@ -62,13 +62,13 @@ static int nic_reset(struct ioc3_driver_data *idd)
return presence;
}
-static inline int nic_read_bit(struct ioc3_driver_data *idd)
+static int nic_read_bit(struct ioc3_driver_data *idd)
{
int result;
unsigned long flags;
local_irq_save(flags);
- idd->vma->mcr = mcr_pack(6, 13);
+ writel(mcr_pack(6, 13), &idd->vma->mcr);
result = nic_wait(idd);
local_irq_restore(flags);
@@ -77,12 +77,12 @@ static inline int nic_read_bit(struct ioc3_driver_data *idd)
return result;
}
-static inline void nic_write_bit(struct ioc3_driver_data *idd, int bit)
+static void nic_write_bit(struct ioc3_driver_data *idd, int bit)
{
if (bit)
- idd->vma->mcr = mcr_pack(6, 110);
+ writel(mcr_pack(6, 110), &idd->vma->mcr);
else
- idd->vma->mcr = mcr_pack(80, 30);
+ writel(mcr_pack(80, 30), &idd->vma->mcr);
nic_wait(idd);
}
@@ -337,7 +337,7 @@ static void probe_nic(struct ioc3_driver_data *idd)
int save = 0, loops = 3;
unsigned long first, addr;
- idd->vma->gpcr_s = GPCR_MLAN_EN;
+ writel(GPCR_MLAN_EN, &idd->vma->gpcr_s);
while(loops>0) {
idd->nic_part[0] = 0;
@@ -371,8 +371,7 @@ static void probe_nic(struct ioc3_driver_data *idd)
/* Interrupts */
-static inline void
-write_ireg(struct ioc3_driver_data *idd, uint32_t val, int which)
+static void write_ireg(struct ioc3_driver_data *idd, uint32_t val, int which)
{
unsigned long flags;
@@ -408,7 +407,7 @@ static irqreturn_t ioc3_intr_io(int irq, void *arg, struct pt_regs *regs)
read_lock_irqsave(&ioc3_submodules_lock, flags);
- if(idd->dual_irq && idd->vma->eisr) {
+ if(idd->dual_irq && readb(&idd->vma->eisr)) {
/* send Ethernet IRQ to the driver */
if(ioc3_ethernet && idd->active[ioc3_ethernet->id] &&
ioc3_ethernet->intr) {
@@ -682,7 +681,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
idd->id = ioc3_counter++;
up_write(&ioc3_devices_rwsem);
- idd->gpdr_shadow = idd->vma->gpdr;
+ idd->gpdr_shadow = readl(&idd->vma->gpdr);
/* Read IOC3 NIC contents */
probe_nic(idd);
@@ -735,14 +734,12 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
}
/* Add this IOC3 to all submodules */
- read_lock(&ioc3_submodules_lock);
for(id=0;id<IOC3_MAX_SUBMODULES;id++)
if(ioc3_submodules[id] && ioc3_submodules[id]->probe) {
idd->active[id] = 1;
idd->active[id] = !ioc3_submodules[id]->probe
(ioc3_submodules[id], idd);
}
- read_unlock(&ioc3_submodules_lock);
printk(KERN_INFO "IOC3 Master Driver loaded for %s\n", pci_name(pdev));
@@ -767,7 +764,6 @@ static void ioc3_remove(struct pci_dev *pdev)
idd = pci_get_drvdata(pdev);
/* Remove this IOC3 from all submodules */
- read_lock(&ioc3_submodules_lock);
for(id=0;id<IOC3_MAX_SUBMODULES;id++)
if(idd->active[id]) {
if(ioc3_submodules[id] && ioc3_submodules[id]->remove)
@@ -781,7 +777,6 @@ static void ioc3_remove(struct pci_dev *pdev)
pci_name(pdev));
idd->active[id] = 0;
}
- read_unlock(&ioc3_submodules_lock);
/* Clear and disable all IRQs */
write_ireg(idd, ~0, IOC3_W_IEC);
@@ -843,9 +838,9 @@ MODULE_AUTHOR("Stanislaw Skowronek <skylark@linux-mips.org>");
MODULE_DESCRIPTION("PCI driver for SGI IOC3");
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(ioc3_register_submodule);
-EXPORT_SYMBOL(ioc3_unregister_submodule);
-EXPORT_SYMBOL(ioc3_ack);
-EXPORT_SYMBOL(ioc3_gpcr_set);
-EXPORT_SYMBOL(ioc3_disable);
-EXPORT_SYMBOL(ioc3_enable);
+EXPORT_SYMBOL_GPL(ioc3_register_submodule);
+EXPORT_SYMBOL_GPL(ioc3_unregister_submodule);
+EXPORT_SYMBOL_GPL(ioc3_ack);
+EXPORT_SYMBOL_GPL(ioc3_gpcr_set);
+EXPORT_SYMBOL_GPL(ioc3_disable);
+EXPORT_SYMBOL_GPL(ioc3_enable);