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

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

drivers/cpufreq/cpufreq-cpu0.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/cpufreq/intel_pstate.c

+4 −1
Original line number Diff line number Diff line
@@ -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);



}

drivers/cpufreq/spear-cpufreq.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

kernel/power/snapshot.c

+4 −1
Original line number Diff line number Diff line
@@ -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);

kernel/power/user.c

+8 −0
Original line number Diff line number Diff line
@@ -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;