powerpc/pseries: Use dump_stack instead of show_stack

We can use the simpler dump_stack() instead of
show_stack(current, __get_SP())

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 5 insertions, 6 deletions

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index de1ec54a2a57..e32e00976a94 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++;
@@ -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;