[PATCH] powerpc: eeh: stop using do_gettimeofday()

[Arnd Bergmann]

This interface is inefficient and deprecated because of the y2038
overflow.

ktime_get_seconds() is an appropriate replacement here, since it
has sufficient granularity but is more efficient and uses monotonic
time.

Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 arch/powerpc/include/asm/eeh.h   | 2 +-
 arch/powerpc/kernel/eeh_driver.c | 2 +-
 arch/powerpc/kernel/eeh_pe.c     | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index cd1df96335e5..5161c37dd039 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -93,7 +93,7 @@ struct eeh_pe {
        struct pci_bus *bus;            /* Top PCI bus for bus PE       */
        int check_count;                /* Times of ignored error       */
        int freeze_count;               /* Times of froze up            */
-       struct timeval tstamp;          /* Time on first-time freeze    */
+       time64_t tstamp;                /* Time on first-time freeze    */
        int false_positives;            /* Times of reported #ff's      */
        atomic_t pass_dev_cnt;          /* Count of passed through devs */
        struct eeh_pe *parent;          /* Parent PE                    */
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 4e1b433f6cb5..4f71e4c9beb7 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -623,7 +623,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct 
pci_bus *bus,
                                struct eeh_rmv_data *rmv_data)
 {
        struct pci_bus *frozen_bus = eeh_pe_bus_get(pe);
-       struct timeval tstamp;
+       time64_t tstamp;
        int cnt, rc;
        struct eeh_dev *edev;
 
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index 2e8d1b2b5af4..2d4956e97aa9 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -526,16 +526,16 @@ int eeh_rmv_from_parent_pe(struct eeh_dev *edev)
  */
 void eeh_pe_update_time_stamp(struct eeh_pe *pe)
 {
-       struct timeval tstamp;
+       time64_t tstamp;
 
        if (!pe) return;
 
        if (pe->freeze_count <= 0) {
                pe->freeze_count = 0;
-               do_gettimeofday(&pe->tstamp);
+               pe->tstamp = ktime_get_seconds();
        } else {
-               do_gettimeofday(&tstamp);
-               if (tstamp.tv_sec - pe->tstamp.tv_sec > 3600) {
+               tstamp = ktime_get_seconds();
+               if (tstamp - pe->tstamp > 3600) {
                        pe->tstamp = tstamp;
                        pe->freeze_count = 0;
                }
-- 
2.9.0