optimize fb shutdown for clk

diff --git a/drivers/video/rk29_fb.c b/drivers/video/rk29_fb.c
index d2ebb1f8fbfeb3e2bebda46e1475db130ff38555..ab312261cb0ec06a396fa9124e5cfba97c5a2dbd 100644 (file)
--- a/drivers/video/rk29_fb.c
+++ b/drivers/video/rk29_fb.c
@@ -2414,6 +2414,8 @@ static int rk29fb_remove(struct platform_device *pdev)
    // cpufreq_unregister_notifier(&inf->freq_transition, CPUFREQ_TRANSITION_NOTIFIER);
   #endif
 
+    msleep(100);
+
        if (inf->clk)
     {
                clk_disable(inf->clk);
@@ -2439,14 +2441,19 @@ static void rk29fb_shutdown(struct platform_device *pdev)
     mdelay(300);
        //printk("----------------------------rk29fb_shutdown----------------------------\n");
        set_lcd_pin(pdev, 0);
-    if (inf->dclk)
+       if (inf->clk)
     {
-        clk_disable(inf->dclk);
-    }
-    if (inf->clk)
+               clk_disable(inf->clk);
+               clk_put(inf->clk);
+               inf->clk = NULL;
+       }
+    if (inf->dclk)
     {
-        clk_disable(inf->clk);
-    }
+               clk_disable(inf->dclk);
+               clk_put(inf->dclk);
+               inf->dclk = NULL;
+       }
+
 }
 
 static struct platform_driver rk29fb_driver = {