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-rw-r--r--arch/powerpc/platforms/powermac/time.c10
-rw-r--r--arch/powerpc/platforms/pseries/setup.c26
2 files changed, 29 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 5947b21a8588..b1714f9bd920 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -102,7 +102,7 @@ static unsigned long from_rtc_time(struct rtc_time *tm)
static unsigned long cuda_get_time(void)
{
struct adb_request req;
- unsigned long now;
+ unsigned int now;
if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_GET_TIME) < 0)
return 0;
@@ -113,7 +113,7 @@ static unsigned long cuda_get_time(void)
req.reply_len);
now = (req.reply[3] << 24) + (req.reply[4] << 16)
+ (req.reply[5] << 8) + req.reply[6];
- return now - RTC_OFFSET;
+ return ((unsigned long)now) - RTC_OFFSET;
}
#define cuda_get_rtc_time(tm) to_rtc_time(cuda_get_time(), (tm))
@@ -146,7 +146,7 @@ static int cuda_set_rtc_time(struct rtc_time *tm)
static unsigned long pmu_get_time(void)
{
struct adb_request req;
- unsigned long now;
+ unsigned int now;
if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
return 0;
@@ -156,7 +156,7 @@ static unsigned long pmu_get_time(void)
req.reply_len);
now = (req.reply[0] << 24) + (req.reply[1] << 16)
+ (req.reply[2] << 8) + req.reply[3];
- return now - RTC_OFFSET;
+ return ((unsigned long)now) - RTC_OFFSET;
}
#define pmu_get_rtc_time(tm) to_rtc_time(pmu_get_time(), (tm))
@@ -199,7 +199,7 @@ static unsigned long smu_get_time(void)
#define smu_set_rtc_time(tm, spin) 0
#endif
-unsigned long pmac_get_boot_time(void)
+unsigned long __init pmac_get_boot_time(void)
{
/* Get the time from the RTC, used only at boot time */
switch (sys_ctrler) {
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 31990829310c..b9d9732b2e06 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -200,14 +200,12 @@ static void __init pSeries_setup_arch(void)
if (ppc64_interrupt_controller == IC_OPEN_PIC) {
ppc_md.init_IRQ = pSeries_init_mpic;
ppc_md.get_irq = mpic_get_irq;
- ppc_md.cpu_irq_down = mpic_teardown_this_cpu;
/* Allocate the mpic now, so that find_and_init_phbs() can
* fill the ISUs */
pSeries_setup_mpic();
} else {
ppc_md.init_IRQ = xics_init_IRQ;
ppc_md.get_irq = xics_get_irq;
- ppc_md.cpu_irq_down = xics_teardown_cpu;
}
#ifdef CONFIG_SMP
@@ -595,6 +593,27 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
return PCI_PROBE_NORMAL;
}
+#ifdef CONFIG_KEXEC
+static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
+{
+ /* Don't risk a hypervisor call if we're crashing */
+ if (!crash_shutdown) {
+ unsigned long vpa = __pa(&get_paca()->lppaca);
+
+ if (unregister_vpa(hard_smp_processor_id(), vpa)) {
+ printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
+ "failed\n", smp_processor_id(),
+ hard_smp_processor_id());
+ }
+ }
+
+ if (ppc64_interrupt_controller == IC_OPEN_PIC)
+ mpic_teardown_this_cpu(secondary);
+ else
+ xics_teardown_cpu(secondary);
+}
+#endif
+
struct machdep_calls __initdata pSeries_md = {
.probe = pSeries_probe,
.setup_arch = pSeries_setup_arch,
@@ -617,4 +636,7 @@ struct machdep_calls __initdata pSeries_md = {
.check_legacy_ioport = pSeries_check_legacy_ioport,
.system_reset_exception = pSeries_system_reset_exception,
.machine_check_exception = pSeries_machine_check_exception,
+#ifdef CONFIG_KEXEC
+ .kexec_cpu_down = pseries_kexec_cpu_down,
+#endif
};