ralink: add 3.14 support

[openwrt.git] / target / linux / ramips / patches-3.14 / 0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch

diff --git a/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
new file mode 100644 (file)
index 0000000..fc9a70b
--- /dev/null
+++ b/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch
@@ -0,0 +1,85 @@
+From f8da5caf65926d44581d4e7914b28ceab3d28a7c Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 14 Jul 2013 23:08:11 +0200
+Subject: [PATCH 17/57] MIPS: use set_mode() to enable/disable the cevt-r4k
+ irq
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/kernel/cevt-r4k.c |   37 +++++++++++++++++++++++++++++++------
+ 1 file changed, 31 insertions(+), 6 deletions(-)
+
+diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
+index 50d3f5a..99585e6 100644
+--- a/arch/mips/kernel/cevt-r4k.c
++++ b/arch/mips/kernel/cevt-r4k.c
+@@ -38,12 +38,6 @@ static int mips_next_event(unsigned long delta,
+ 
+ #endif /* CONFIG_MIPS_MT_SMTC */
+ 
+-void mips_set_clock_mode(enum clock_event_mode mode,
+-                              struct clock_event_device *evt)
+-{
+-      /* Nothing to do ...  */
+-}
+-
+ DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device);
+ int cp0_timer_irq_installed;
+ 
+@@ -90,9 +84,38 @@ struct irqaction c0_compare_irqaction = {
+       .name = "timer",
+ };
+ 
++void mips_set_clock_mode(enum clock_event_mode mode,
++                              struct clock_event_device *evt)
++{
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++      switch (mode) {
++      case CLOCK_EVT_MODE_ONESHOT:
++              if (cp0_timer_irq_installed)
++                      break;
++
++              cp0_timer_irq_installed = 1;
++
++              setup_irq(evt->irq, &c0_compare_irqaction);
++              break;
++
++      case CLOCK_EVT_MODE_SHUTDOWN:
++              if (!cp0_timer_irq_installed)
++                      break;
++
++              cp0_timer_irq_installed = 0;
++              free_irq(evt->irq, &c0_compare_irqaction);
++              break;
++
++      default:
++              pr_err("Unhandeled mips clock_mode\n");
++              break;
++      }
++#endif
++}
+ 
+ void mips_event_handler(struct clock_event_device *dev)
+ {
++
+ }
+ 
+ /*
+@@ -215,12 +238,14 @@ int r4k_clockevent_init(void)
+ #endif
+       clockevents_register_device(cd);
+ 
++#ifndef CONFIG_CEVT_SYSTICK_QUIRK
+       if (cp0_timer_irq_installed)
+               return 0;
+ 
+       cp0_timer_irq_installed = 1;
+ 
+       setup_irq(irq, &c0_compare_irqaction);
++#endif
+ 
+       return 0;
+ }
+-- 
+1.7.10.4
+