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authorLinus Torvalds2019-04-20 10:10:49 -0700
committerLinus Torvalds2019-04-20 10:10:49 -0700
commite899cc3b3d9813f795c039c0f3c689861d6836da (patch)
tree20970763d41cf257cd1c6f0ca92ad516ba928286 /drivers
parentb25c69b9d5e41159b54ad7cb33f7d9ead8523d33 (diff)
parent3f2552f7e9c5abef2775c53f7af66532f8bf65bc (diff)
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar: "Misc clocksource driver fixes, and a sched-clock wrapping fix" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze() clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load_start clocksource/drivers/oxnas: Fix OX820 compatible clocksource/drivers/arm_arch_timer: Remove unneeded pr_fmt macro clocksource/drivers/npcm: select TIMER_OF
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clocksource/Kconfig1
-rw-r--r--drivers/clocksource/arm_arch_timer.c5
-rw-r--r--drivers/clocksource/timer-oxnas-rps.c2
-rw-r--r--drivers/clocksource/timer-ti-dm.c28
4 files changed, 3 insertions, 33 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 171502a356aa..4b3d143f0f8a 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -145,6 +145,7 @@ config VT8500_TIMER
config NPCM7XX_TIMER
bool "NPCM7xx timer driver" if COMPILE_TEST
depends on HAS_IOMEM
+ select TIMER_OF
select CLKSRC_MMIO
help
Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index aa4ec53281ce..ea373cfbcecb 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -9,7 +9,7 @@
* published by the Free Software Foundation.
*/
-#define pr_fmt(fmt) "arm_arch_timer: " fmt
+#define pr_fmt(fmt) "arch_timer: " fmt
#include <linux/init.h>
#include <linux/kernel.h>
@@ -33,9 +33,6 @@
#include <clocksource/arm_arch_timer.h>
-#undef pr_fmt
-#define pr_fmt(fmt) "arch_timer: " fmt
-
#define CNTTIDR 0x08
#define CNTTIDR_VIRT(n) (BIT(1) << ((n) * 4))
diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c
index eed6feff8b5f..30c6f4ce672b 100644
--- a/drivers/clocksource/timer-oxnas-rps.c
+++ b/drivers/clocksource/timer-oxnas-rps.c
@@ -296,4 +296,4 @@ err_alloc:
TIMER_OF_DECLARE(ox810se_rps,
"oxsemi,ox810se-rps-timer", oxnas_rps_timer_init);
TIMER_OF_DECLARE(ox820_rps,
- "oxsemi,ox820se-rps-timer", oxnas_rps_timer_init);
+ "oxsemi,ox820-rps-timer", oxnas_rps_timer_init);
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index 3352da6ed61f..ee8ec5a8cb16 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -585,34 +585,6 @@ static int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload,
return 0;
}
-/* Optimized set_load which removes costly spin wait in timer_start */
-static int omap_dm_timer_set_load_start(struct omap_dm_timer *timer,
- int autoreload, unsigned int load)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
-
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (autoreload) {
- l |= OMAP_TIMER_CTRL_AR;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
- } else {
- l &= ~OMAP_TIMER_CTRL_AR;
- }
- l |= OMAP_TIMER_CTRL_ST;
-
- __omap_dm_timer_load_start(timer, l, load, timer->posted);
-
- /* Save the context */
- timer->context.tclr = l;
- timer->context.tldr = load;
- timer->context.tcrr = load;
- return 0;
-}
static int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable,
unsigned int match)
{