clockevents/drivers/nomadik-mtu: Migrate to new 'set-state' interface
Migrate nomadik-mtu 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: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
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@ -119,28 +119,27 @@ static void nmdk_clkevt_reset(void)
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}
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}
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static void nmdk_clkevt_mode(enum clock_event_mode mode,
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struct clock_event_device *dev)
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static int nmdk_clkevt_shutdown(struct clock_event_device *evt)
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{
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switch (mode) {
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case CLOCK_EVT_MODE_PERIODIC:
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clkevt_periodic = true;
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nmdk_clkevt_reset();
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break;
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case CLOCK_EVT_MODE_ONESHOT:
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clkevt_periodic = false;
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break;
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case CLOCK_EVT_MODE_SHUTDOWN:
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case CLOCK_EVT_MODE_UNUSED:
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writel(0, mtu_base + MTU_IMSC);
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/* disable timer */
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writel(0, mtu_base + MTU_CR(1));
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/* load some high default value */
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writel(0xffffffff, mtu_base + MTU_LR(1));
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break;
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case CLOCK_EVT_MODE_RESUME:
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break;
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return 0;
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}
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static int nmdk_clkevt_set_oneshot(struct clock_event_device *evt)
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{
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clkevt_periodic = false;
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return 0;
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}
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static int nmdk_clkevt_set_periodic(struct clock_event_device *evt)
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{
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clkevt_periodic = true;
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nmdk_clkevt_reset();
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return 0;
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}
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static void nmdk_clksrc_reset(void)
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@ -164,10 +163,13 @@ static void nmdk_clkevt_resume(struct clock_event_device *cedev)
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static struct clock_event_device nmdk_clkevt = {
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.name = "mtu_1",
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.features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC |
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.features = CLOCK_EVT_FEAT_ONESHOT |
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CLOCK_EVT_FEAT_PERIODIC |
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CLOCK_EVT_FEAT_DYNIRQ,
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.rating = 200,
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.set_mode = nmdk_clkevt_mode,
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.set_state_shutdown = nmdk_clkevt_shutdown,
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.set_state_periodic = nmdk_clkevt_set_periodic,
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.set_state_oneshot = nmdk_clkevt_set_oneshot,
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.set_next_event = nmdk_clkevt_next,
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.resume = nmdk_clkevt_resume,
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};
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