A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timer core updates from Thomas Gleixner:
 "The time(r) departement provides:

   - more infrastructure work on the year 2038 issue

   - a few fixes in the Armada SoC timers

   - the usual pile of fixlets and improvements"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource: armada-370-xp: Use the reference clock on A375 SoC
  watchdog: orion: Use the reference clock on Armada 375 SoC
  clocksource: armada-370-xp: Add missing clock enable
  time: Fix sign bug in NTP mult overflow warning
  time: Remove timekeeping_inject_sleeptime()
  rtc: Update suspend/resume timing to use 64bit time
  rtc/lib: Provide y2038 safe rtc_tm_to_time()/rtc_time_to_tm() replacement
  time: Fixup comments to reflect usage of timespec64
  time: Expose get_monotonic_coarse64() for in-kernel uses
  time: Expose getrawmonotonic64 for in-kernel uses
  time: Provide y2038 safe mktime() replacement
  time: Provide y2038 safe timekeeping_inject_sleeptime() replacement
  time: Provide y2038 safe do_settimeofday() replacement
  time: Complete NTP adjustment threshold judging conditions
  time: Avoid possible NTP adjustment mult overflow.
  time: Rename udelay_test.c to test_udelay.c
  clocksource: sirf: Remove hard-coded clock rate
This commit is contained in:
Linus Torvalds 2014-12-10 08:18:32 -08:00
commit a157508c97
14 changed files with 253 additions and 100 deletions
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42
drivers/watchdog/orion_wdt.c
View file

@ -114,6 +114,46 @@ static int armada370_wdt_clock_init(struct platform_device *pdev,
return 0;
}
static int armada375_wdt_clock_init(struct platform_device *pdev,
struct orion_watchdog *dev)
{
int ret;
dev->clk = of_clk_get_by_name(pdev->dev.of_node, "fixed");
if (!IS_ERR(dev->clk)) {
ret = clk_prepare_enable(dev->clk);
if (ret) {
clk_put(dev->clk);
return ret;
}
atomic_io_modify(dev->reg + TIMER_CTRL,
WDT_AXP_FIXED_ENABLE_BIT,
WDT_AXP_FIXED_ENABLE_BIT);
dev->clk_rate = clk_get_rate(dev->clk);
return 0;
}
/* Mandatory fallback for proper devicetree backward compatibility */
dev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(dev->clk))
return PTR_ERR(dev->clk);
ret = clk_prepare_enable(dev->clk);
if (ret) {
clk_put(dev->clk);
return ret;
}
atomic_io_modify(dev->reg + TIMER_CTRL,
WDT_A370_RATIO_MASK(WDT_A370_RATIO_SHIFT),
WDT_A370_RATIO_MASK(WDT_A370_RATIO_SHIFT));
dev->clk_rate = clk_get_rate(dev->clk) / WDT_A370_RATIO;
return 0;
}
static int armadaxp_wdt_clock_init(struct platform_device *pdev,
struct orion_watchdog *dev)
{
@ -394,7 +434,7 @@ static const struct orion_watchdog_data armada375_data = {
.rstout_mask_bit = BIT(10),
.wdt_enable_bit = BIT(8),
.wdt_counter_offset = 0x34,
.clock_init = armada370_wdt_clock_init,
.clock_init = armada375_wdt_clock_init,
.enabled = armada375_enabled,
.start = armada375_start,
.stop = armada375_stop,