These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / mips / jz4740 / reset.c

diff --git a/kernel/arch/mips/jz4740/reset.c b/kernel/arch/mips/jz4740/reset.c
index b6c6343..954e669 100644 (file)
--- a/kernel/arch/mips/jz4740/reset.c
+++ b/kernel/arch/mips/jz4740/reset.c
@@ -12,6 +12,7 @@
  *
  */
 
+#include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/pm.h>
@@ -79,12 +80,20 @@ static void jz4740_power_off(void)
        void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x38);
        unsigned long wakeup_filter_ticks;
        unsigned long reset_counter_ticks;
+       struct clk *rtc_clk;
+       unsigned long rtc_rate;
+
+       rtc_clk = clk_get(NULL, "rtc");
+       if (IS_ERR(rtc_clk))
+               panic("unable to get RTC clock");
+       rtc_rate = clk_get_rate(rtc_clk);
+       clk_put(rtc_clk);
 
        /*
         * Set minimum wakeup pin assertion time: 100 ms.
         * Range is 0 to 2 sec if RTC is clocked at 32 kHz.
         */
-       wakeup_filter_ticks = (100 * jz4740_clock_bdata.rtc_rate) / 1000;
+       wakeup_filter_ticks = (100 * rtc_rate) / 1000;
        if (wakeup_filter_ticks < JZ_RTC_WAKEUP_FILTER_MASK)
                wakeup_filter_ticks &= JZ_RTC_WAKEUP_FILTER_MASK;
        else
@@ -96,7 +105,7 @@ static void jz4740_power_off(void)
         * Set reset pin low-level assertion time after wakeup: 60 ms.
         * Range is 0 to 125 ms if RTC is clocked at 32 kHz.
         */
-       reset_counter_ticks = (60 * jz4740_clock_bdata.rtc_rate) / 1000;
+       reset_counter_ticks = (60 * rtc_rate) / 1000;
        if (reset_counter_ticks < JZ_RTC_RESET_COUNTER_MASK)
                reset_counter_ticks &= JZ_RTC_RESET_COUNTER_MASK;
        else