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powerpc fixes for 4.2 #2

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- TCE table memory calculation fix from Alexey
 - Build fix for ans-lcd from Luis
 - Unbalanced IRQ warning fix from Alistair
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Merge tag 'powerpc-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 - TCE table memory calculation fix from Alexey
 - Build fix for ans-lcd from Luis
 - Unbalanced IRQ warning fix from Alistair

* tag 'powerpc-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/eeh-powernv: Fix unbalanced IRQ warning
  macintosh/ans-lcd: fix build failure after module_init/exit relocation
  powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table
This commit is contained in:
Linus Torvalds 2015-08-02 18:07:36 -07:00
commit d08c31812e
3 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/platforms/powernv/eeh-powernv.c
View File

@ -1478,7 +1478,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe)
}
/* Unmask the event */
if (eeh_enabled())
if (ret == EEH_NEXT_ERR_NONE && eeh_enabled())
enable_irq(eeh_event_irq);
return ret;

11
arch/powerpc/platforms/powernv/pci-ioda.c
View File

@ -2220,7 +2220,7 @@ static void pnv_pci_ioda_setup_opal_tce_kill(struct pnv_phb *phb)
static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
unsigned levels, unsigned long limit,
unsigned long *current_offset)
unsigned long *current_offset, unsigned long *total_allocated)
{
struct page *tce_mem = NULL;
__be64 *addr, *tmp;
@ -2236,6 +2236,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
}
addr = page_address(tce_mem);
memset(addr, 0, allocated);
*total_allocated += allocated;
--levels;
if (!levels) {
@ -2245,7 +2246,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
for (i = 0; i < entries; ++i) {
tmp = pnv_pci_ioda2_table_do_alloc_pages(nid, shift,
levels, limit, current_offset);
levels, limit, current_offset, total_allocated);
if (!tmp)
break;
@ -2267,7 +2268,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
struct iommu_table *tbl)
{
void *addr;
unsigned long offset = 0, level_shift;
unsigned long offset = 0, level_shift, total_allocated = 0;
const unsigned window_shift = ilog2(window_size);
unsigned entries_shift = window_shift - page_shift;
unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT);
@ -2286,7 +2287,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
/* Allocate TCE table */
addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
levels, tce_table_size, &offset);
levels, tce_table_size, &offset, &total_allocated);
/* addr==NULL means that the first level allocation failed */
if (!addr)
@ -2308,7 +2309,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
page_shift);
tbl->it_level_size = 1ULL << (level_shift - 3);
tbl->it_indirect_levels = levels - 1;
tbl->it_allocated_size = offset;
tbl->it_allocated_size = total_allocated;
pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n",
window_size, tce_table_size, bus_offset);

2
drivers/macintosh/ans-lcd.c
View File

@ -7,7 +7,7 @@
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/fs.h>