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100 lines
2.0 KiB
Diff
100 lines
2.0 KiB
Diff
From f8da5caf65926d44581d4e7914b28ceab3d28a7c Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Sun, 14 Jul 2013 23:08:11 +0200
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Subject: [PATCH 17/57] MIPS: use set_mode() to enable/disable the cevt-r4k
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irq
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/kernel/cevt-r4k.c | 37 +++++++++++++++++++++++++++++++------
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1 file changed, 31 insertions(+), 6 deletions(-)
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--- a/arch/mips/kernel/cevt-r4k.c
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+++ b/arch/mips/kernel/cevt-r4k.c
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@@ -29,12 +29,6 @@ static int mips_next_event(unsigned long
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return res;
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}
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-void mips_set_clock_mode(enum clock_event_mode mode,
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- struct clock_event_device *evt)
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-{
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- /* Nothing to do ... */
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-}
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-
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DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device);
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int cp0_timer_irq_installed;
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@@ -75,9 +69,38 @@ struct irqaction c0_compare_irqaction =
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.name = "timer",
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};
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+void mips_set_clock_mode(enum clock_event_mode mode,
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+ struct clock_event_device *evt)
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+{
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+#ifdef CONFIG_CEVT_SYSTICK_QUIRK
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+ switch (mode) {
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+ case CLOCK_EVT_MODE_ONESHOT:
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+ if (cp0_timer_irq_installed)
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+ break;
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+
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+ cp0_timer_irq_installed = 1;
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+
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+ setup_irq(evt->irq, &c0_compare_irqaction);
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+ break;
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+
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+ case CLOCK_EVT_MODE_SHUTDOWN:
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+ if (!cp0_timer_irq_installed)
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+ break;
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+
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+ cp0_timer_irq_installed = 0;
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+ remove_irq(evt->irq, &c0_compare_irqaction);
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+ break;
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+
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+ default:
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+ pr_err("Unhandeled mips clock_mode\n");
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+ break;
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+ }
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+#endif
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+}
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void mips_event_handler(struct clock_event_device *dev)
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{
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+
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}
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/*
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@@ -198,12 +221,14 @@ int r4k_clockevent_init(void)
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clockevents_register_device(cd);
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+#ifndef CONFIG_CEVT_SYSTICK_QUIRK
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if (cp0_timer_irq_installed)
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return 0;
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cp0_timer_irq_installed = 1;
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setup_irq(irq, &c0_compare_irqaction);
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+#endif
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return 0;
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}
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--- a/arch/mips/ralink/Kconfig
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+++ b/arch/mips/ralink/Kconfig
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@@ -1,11 +1,16 @@
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if RALINK
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+config CEVT_SYSTICK_QUIRK
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+ bool
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+ default n
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+
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config CLKEVT_RT3352
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bool
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depends on SOC_RT305X || SOC_MT7620
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default y
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select CLKSRC_OF
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select CLKSRC_MMIO
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+ select CEVT_SYSTICK_QUIRK
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config RALINK_ILL_ACC
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bool
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