Commit 726dcbe5 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki

Merge branch 'pm-fixes'

* pm-fixes:
  intel_pstate: fix no_turbo
  cpufreq: cpufreq-cpu0: NULL is a valid regulator, part 2
  cpufreq: SPEAr: Fix incorrect variable type
  PM / hibernate: Fix user space driven resume regression
parents 8a21c0e7 19ea1a44
......@@ -229,7 +229,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
if (of_property_read_u32(np, "clock-latency", &transition_latency))
transition_latency = CPUFREQ_ETERNAL;
if (cpu_reg) {
if (!IS_ERR(cpu_reg)) {
struct opp *opp;
unsigned long min_uV, max_uV;
int i;
......
......@@ -394,6 +394,9 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
trace_cpu_frequency(pstate * 100000, cpu->cpu);
cpu->pstate.current_pstate = pstate;
if (limits.no_turbo)
wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8));
else
wrmsrl(MSR_IA32_PERF_CTL, pstate << 8);
}
......
......@@ -113,7 +113,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
unsigned int target_freq, unsigned int relation)
{
struct cpufreq_freqs freqs;
unsigned long newfreq;
long newfreq;
struct clk *srcclk;
int index, ret, mult = 1;
......
......@@ -743,6 +743,9 @@ int create_basic_memory_bitmaps(void)
struct memory_bitmap *bm1, *bm2;
int error = 0;
if (forbidden_pages_map && free_pages_map)
return 0;
else
BUG_ON(forbidden_pages_map || free_pages_map);
bm1 = kzalloc(sizeof(struct memory_bitmap), GFP_KERNEL);
......
......@@ -39,6 +39,7 @@ static struct snapshot_data {
char frozen;
char ready;
char platform_support;
bool free_bitmaps;
} snapshot_state;
atomic_t snapshot_device_available = ATOMIC_INIT(1);
......@@ -82,6 +83,10 @@ static int snapshot_open(struct inode *inode, struct file *filp)
data->swap = -1;
data->mode = O_WRONLY;
error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
if (!error) {
error = create_basic_memory_bitmaps();
data->free_bitmaps = !error;
}
if (error)
pm_notifier_call_chain(PM_POST_RESTORE);
}
......@@ -111,6 +116,8 @@ static int snapshot_release(struct inode *inode, struct file *filp)
pm_restore_gfp_mask();
free_basic_memory_bitmaps();
thaw_processes();
} else if (data->free_bitmaps) {
free_basic_memory_bitmaps();
}
pm_notifier_call_chain(data->mode == O_RDONLY ?
PM_POST_HIBERNATION : PM_POST_RESTORE);
......@@ -231,6 +238,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
break;
pm_restore_gfp_mask();
free_basic_memory_bitmaps();
data->free_bitmaps = false;
thaw_processes();
data->frozen = 0;
break;
......
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