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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

Browse source 
Pull powerpc updates from Ben Herrenschmidt:
 "This is the powerpc new goodies for 3.17.  The short story:

  The biggest bit is Michael removing all of pre-POWER4 processor
  support from the 64-bit kernel.  POWER3 and rs64.  This gets rid of a
  ton of old cruft that has been bitrotting in a long while.  It was
  broken for quite a few versions already and nobody noticed.  Nobody
  uses those machines anymore.  While at it, he cleaned up a bunch of
  old dusty cabinets, getting rid of a skeletton or two.

  Then, we have some base VFIO support for KVM, which allows assigning
  of PCI devices to KVM guests, support for large 64-bit BARs on
  "powernv" platforms, support for HMI (Hardware Management Interrupts)
  on those same platforms, some sparse-vmemmap improvements (for memory
  hotplug),

  There is the usual batch of Freescale embedded updates (summary in the
  merge commit) and fixes here or there, I think that's it for the
  highlights"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (102 commits)
  powerpc/eeh: Export eeh_iommu_group_to_pe()
  powerpc/eeh: Add missing #ifdef CONFIG_IOMMU_API
  powerpc: Reduce scariness of interrupt frames in stack traces
  powerpc: start loop at section start of start in vmemmap_populated()
  powerpc: implement vmemmap_free()
  powerpc: implement vmemmap_remove_mapping() for BOOK3S
  powerpc: implement vmemmap_list_free()
  powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE
  powerpc/book3s: Fix endianess issue for HMI handling on napping cpus.
  powerpc/book3s: handle HMIs for cpus in nap mode.
  powerpc/powernv: Invoke opal call to handle hmi.
  powerpc/book3s: Add basic infrastructure to handle HMI in Linux.
  powerpc/iommu: Fix comments with it_page_shift
  powerpc/powernv: Handle compound PE in config accessors
  powerpc/powernv: Handle compound PE for EEH
  powerpc/powernv: Handle compound PE
  powerpc/powernv: Split ioda_eeh_get_state()
  powerpc/powernv: Allow to freeze PE
  powerpc/powernv: Enable M64 aperatus for PHB3
  powerpc/eeh: Aux PE data for error log
  ...
This commit is contained in:
Linus Torvalds 2014-08-07 08:50:34 -07:00
commit f536b3cae8
161 changed files with 5477 additions and 3284 deletions
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16
drivers/cpuidle/cpuidle-powernv.c
View file

@ -160,10 +160,10 @@ static int powernv_cpuidle_driver_init(void)
static int powernv_add_idle_states(void)
{
struct device_node *power_mgt;
struct property *prop;
int nr_idle_states = 1; /* Snooze */
int dt_idle_states;
u32 *flags;
const __be32 *idle_state_flags;
u32 len_flags, flags;
int i;
/* Currently we have snooze statically defined */
@ -174,18 +174,18 @@ static int powernv_add_idle_states(void)
return nr_idle_states;
}
prop = of_find_property(power_mgt, "ibm,cpu-idle-state-flags", NULL);
if (!prop) {
idle_state_flags = of_get_property(power_mgt, "ibm,cpu-idle-state-flags", &len_flags);
if (!idle_state_flags) {
pr_warn("DT-PowerMgmt: missing ibm,cpu-idle-state-flags\n");
return nr_idle_states;
}
dt_idle_states = prop->length / sizeof(u32);
flags = (u32 *) prop->value;
dt_idle_states = len_flags / sizeof(u32);
for (i = 0; i < dt_idle_states; i++) {
if (flags[i] & IDLE_USE_INST_NAP) {
flags = be32_to_cpu(idle_state_flags[i]);
if (flags & IDLE_USE_INST_NAP) {
/* Add NAP state */
strcpy(powernv_states[nr_idle_states].name, "Nap");
strcpy(powernv_states[nr_idle_states].desc, "Nap");
@ -196,7 +196,7 @@ static int powernv_add_idle_states(void)
nr_idle_states++;
}
if (flags[i] & IDLE_USE_INST_SLEEP) {
if (flags & IDLE_USE_INST_SLEEP) {
/* Add FASTSLEEP state */
strcpy(powernv_states[nr_idle_states].name, "FastSleep");
strcpy(powernv_states[nr_idle_states].desc, "FastSleep");