remove reboot_config_done flag, do not close ddrfreq thread after reboot notify,...

Signed-off-by: 陈亮 <cl@rock-chips.com>

diff --git a/arch/arm/mach-rockchip/ddr_freq.c b/arch/arm/mach-rockchip/ddr_freq.c
index 2cf82297e646a38b4351a3baf28ae54ab8d0b641..1eac9dfc80c5c6b7cd37655034073912e2327766 100644 (file)
--- a/arch/arm/mach-rockchip/ddr_freq.c
+++ b/arch/arm/mach-rockchip/ddr_freq.c
@@ -46,7 +46,6 @@ static DECLARE_COMPLETION(vop_req_completion);
 #endif
 
 static struct dvfs_node *clk_cpu_dvfs_node = NULL;
-static int reboot_config_done = 0;
 static int ddr_boost = 0;
 static int print=0;
 static int watch=0;
@@ -406,7 +405,6 @@ static noinline long ddrfreq_work(unsigned long sys_status)
        if (ddr.reboot_rate && (s & SYS_STATUS_REBOOT)) {
                ddrfreq_mode(false, ddr.reboot_rate, "shutdown/reboot");
                rockchip_cpufreq_reboot_limit_freq();
-               reboot_config_done = 1;
 
                return timeout;
        }
@@ -548,7 +546,7 @@ static int ddrfreq_task(void *data)
                }
                wait_event_freezable_timeout(ddr.wait, vop_bandwidth_update_flag || (status != ddr.sys_status) || kthread_should_stop(), timeout);
                old_status = status;
-       } while (!kthread_should_stop() && !reboot_config_done);
+       } while (!kthread_should_stop());
 
        return 0;
 }
@@ -883,14 +881,8 @@ CLK_NOTIFIER(pd_vop1, LCDC1)
 
 static int ddrfreq_reboot_notifier_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
-       u32 timeout = 1000; // 10s
        rockchip_set_system_status(SYS_STATUS_REBOOT);
-       while (!reboot_config_done && --timeout) {
-               msleep(10);
-       }
-       if (!timeout) {
-               pr_err("failed to set ddr clk from %luMHz to %luMHz when shutdown/reboot\n", dvfs_clk_get_rate(ddr.clk_dvfs_node) / MHZ, ddr.reboot_rate / MHZ);
-       }
+
        return NOTIFY_OK;
 }