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Diffstat (limited to 'arch/powerpc/platforms/pasemi')
-rw-r--r--arch/powerpc/platforms/pasemi/iommu.c4
-rw-r--r--arch/powerpc/platforms/pasemi/pci.c7
-rw-r--r--arch/powerpc/platforms/pasemi/setup.c24
3 files changed, 18 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 9014d55c717..6c42787fb38 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -187,7 +187,7 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev)
static void pci_dma_bus_setup_null(struct pci_bus *b) { }
static void pci_dma_dev_setup_null(struct pci_dev *d) { }
-int iob_init(struct device_node *dn)
+int __init iob_init(struct device_node *dn)
{
unsigned long tmp;
u32 regword;
@@ -233,7 +233,7 @@ int iob_init(struct device_node *dn)
/* These are called very early. */
-void iommu_init_early_pasemi(void)
+void __init iommu_init_early_pasemi(void)
{
int iommu_off;
diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c
index ab1f5f62bcd..03d1d07aa2a 100644
--- a/arch/powerpc/platforms/pasemi/pci.c
+++ b/arch/powerpc/platforms/pasemi/pci.c
@@ -107,23 +107,20 @@ static int pa_pxp_write_config(struct pci_bus *bus, unsigned int devfn,
switch (len) {
case 1:
out_8(addr, val);
- (void) in_8(addr);
break;
case 2:
out_le16(addr, val);
- (void) in_le16(addr);
break;
default:
out_le32(addr, val);
- (void) in_le32(addr);
break;
}
return PCIBIOS_SUCCESSFUL;
}
static struct pci_ops pa_pxp_ops = {
- pa_pxp_read_config,
- pa_pxp_write_config,
+ .read = pa_pxp_read_config,
+ .write = pa_pxp_write_config,
};
static void __init setup_pa_pxp(struct pci_controller *hose)
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index ffe6528048b..05def6282f8 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -50,26 +50,30 @@ static void pas_restart(char *cmd)
#ifdef CONFIG_SMP
static DEFINE_SPINLOCK(timebase_lock);
+static unsigned long timebase;
static void __devinit pas_give_timebase(void)
{
- unsigned long tb;
-
spin_lock(&timebase_lock);
mtspr(SPRN_TBCTL, TBCTL_FREEZE);
- tb = mftb();
- mtspr(SPRN_TBCTL, TBCTL_UPDATE_LOWER | (tb & 0xffffffff));
- mtspr(SPRN_TBCTL, TBCTL_UPDATE_UPPER | (tb >> 32));
- mtspr(SPRN_TBCTL, TBCTL_RESTART);
+ isync();
+ timebase = get_tb();
spin_unlock(&timebase_lock);
- pr_debug("pas_give_timebase: cpu %d gave tb %lx\n",
- smp_processor_id(), tb);
+
+ while (timebase)
+ barrier();
+ mtspr(SPRN_TBCTL, TBCTL_RESTART);
}
static void __devinit pas_take_timebase(void)
{
- pr_debug("pas_take_timebase: cpu %d has tb %lx\n",
- smp_processor_id(), mftb());
+ while (!timebase)
+ smp_rmb();
+
+ spin_lock(&timebase_lock);
+ set_tb(timebase >> 32, timebase & 0xffffffff);
+ timebase = 0;
+ spin_unlock(&timebase_lock);
}
struct smp_ops_t pas_smp_ops = {