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Diffstat (limited to 'arch/powerpc/platforms/pseries/iommu.c')
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index de1ec54a2a57..1d3d52dc3ff3 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -30,7 +30,6 @@
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/spinlock.h>
-#include <linux/sched.h> /* for show_stack */
#include <linux/string.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
@@ -168,7 +167,7 @@ static int tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
printk("\ttcenum = 0x%llx\n", (u64)tcenum);
printk("\ttce val = 0x%llx\n", tce );
- show_stack(current, (unsigned long *)__get_SP());
+ dump_stack();
}
tcenum++;
@@ -200,7 +199,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
local_irq_save(flags); /* to protect tcep and the page behind it */
- tcep = __get_cpu_var(tce_page);
+ tcep = __this_cpu_read(tce_page);
/* This is safe to do since interrupts are off when we're called
* from iommu_alloc{,_sg}()
@@ -213,7 +212,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
direction, attrs);
}
- __get_cpu_var(tce_page) = tcep;
+ __this_cpu_write(tce_page, tcep);
}
rpn = __pa(uaddr) >> TCE_SHIFT;
@@ -257,7 +256,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
printk("\tnpages = 0x%llx\n", (u64)npages);
printk("\ttce[0] val = 0x%llx\n", tcep[0]);
- show_stack(current, (unsigned long *)__get_SP());
+ dump_stack();
}
return ret;
}
@@ -273,7 +272,7 @@ static void tce_free_pSeriesLP(struct iommu_table *tbl, long tcenum, long npages
printk("tce_free_pSeriesLP: plpar_tce_put failed. rc=%lld\n", rc);
printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
printk("\ttcenum = 0x%llx\n", (u64)tcenum);
- show_stack(current, (unsigned long *)__get_SP());
+ dump_stack();
}
tcenum++;
@@ -292,7 +291,7 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n
printk("\trc = %lld\n", rc);
printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
printk("\tnpages = 0x%llx\n", (u64)npages);
- show_stack(current, (unsigned long *)__get_SP());
+ dump_stack();
}
}
@@ -307,7 +306,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum)
printk("tce_get_pSeriesLP: plpar_tce_get failed. rc=%lld\n", rc);
printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
printk("\ttcenum = 0x%llx\n", (u64)tcenum);
- show_stack(current, (unsigned long *)__get_SP());
+ dump_stack();
}
return tce_ret;
@@ -399,7 +398,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
long l, limit;
local_irq_disable(); /* to protect tcep and the page behind it */
- tcep = __get_cpu_var(tce_page);
+ tcep = __this_cpu_read(tce_page);
if (!tcep) {
tcep = (__be64 *)__get_free_page(GFP_ATOMIC);
@@ -407,7 +406,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
local_irq_enable();
return -ENOMEM;
}
- __get_cpu_var(tce_page) = tcep;
+ __this_cpu_write(tce_page, tcep);
}
proto_tce = TCE_PCI_READ | TCE_PCI_WRITE;
@@ -575,8 +574,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
while (isa_dn && isa_dn != dn)
isa_dn = isa_dn->parent;
- if (isa_dn_orig)
- of_node_put(isa_dn_orig);
+ of_node_put(isa_dn_orig);
/* Count number of direct PCI children of the PHB. */
for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling)
@@ -1252,10 +1250,11 @@ static struct notifier_block iommu_mem_nb = {
.notifier_call = iommu_mem_notifier,
};
-static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
+static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *data)
{
int err = NOTIFY_OK;
- struct device_node *np = node;
+ struct of_reconfig_data *rd = data;
+ struct device_node *np = rd->dn;
struct pci_dn *pci = PCI_DN(np);
struct direct_window *window;
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