Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1185743

[PATCH 06/23] cris/time: Migrate to new 'set-state' interface

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject [PATCH 06/23] cris/time: Migrate to new 'set-state' interface
Date 2015-07-16 13:30 +0200
Message-ID <pMPwt-5cU-11@gated-at.bofh.it> (permalink)
References <pMPwt-5cU-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Migrate cris driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Rabin Vincent <rabin@rab.in>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-cris-kernel@axis.com
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 arch/cris/arch-v32/kernel/time.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index 4fce9f1f7cc0..d2a84407654a 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -172,8 +172,7 @@ void handle_watchdog_bite(struct pt_regs *regs)
 extern void cris_profile_sample(struct pt_regs *regs);
 static void __iomem *timer_base;
 
-static void crisv32_clkevt_mode(enum clock_event_mode mode,
-				struct clock_event_device *dev)
+static int crisv32_clkevt_switch_state(struct clock_event_device *dev)
 {
 	reg_timer_rw_tmr0_ctrl ctrl = {
 		.op = regk_timer_hold,
@@ -181,6 +180,7 @@ static void crisv32_clkevt_mode(enum clock_event_mode mode,
 	};
 
 	REG_WR(timer, timer_base, rw_tmr0_ctrl, ctrl);
+	return 0;
 }
 
 static int crisv32_clkevt_next_event(unsigned long evt,
@@ -231,7 +231,9 @@ static struct clock_event_device crisv32_clockevent = {
 	.name = "crisv32-timer",
 	.rating = 300,
 	.features = CLOCK_EVT_FEAT_ONESHOT,
-	.set_mode = crisv32_clkevt_mode,
+	.set_state_oneshot = crisv32_clkevt_switch_state,
+	.set_state_shutdown = crisv32_clkevt_switch_state,
+	.tick_resume = crisv32_clkevt_switch_state,
 	.set_next_event = crisv32_clkevt_next_event,
 };
 
-- 
2.4.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 06/23] cris/time: Migrate to new 'set-state' interface Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-16 13:30 +0200

csiph-web