pm.c: add dump gpio pull state before suspend, maybe it will help us to cost the...

diff --git a/arch/arm/mach-rk29/pm.c b/arch/arm/mach-rk29/pm.c
index 39d947eeeddfce3ed2e1386c4d6a8b2224184ca1..1d8958fae63ce7de966873e10f45bef536f78c5a 100755 (executable)
--- a/arch/arm/mach-rk29/pm.c
+++ b/arch/arm/mach-rk29/pm.c
@@ -27,6 +27,11 @@
 #include <mach/ddr.h>
 #include <mach/memtester.h>
 
+#include <mach/iomux.h>
+
+
+#define grf_readl(offset) readl(RK29_GRF_BASE + offset)
+#define grf_writel(v, offset) do { writel(v, RK29_GRF_BASE + offset); readl(RK29_GRF_BASE + offset); } while (0)
 
 static unsigned long save_sp;
 
@@ -347,11 +352,31 @@ static void dump_inten(void)
        DUMP_GPIO_INTEN(6);
 }
 
+
+
+#define DUMP_GPIO_PULL(ID) \
+do { \
+       u32 state = readl(RK29_GRF_BASE + GRF_GPIO0_PULL + (ID<<2)); \
+       printascii("GPIO" #ID "_PULL: "); \
+       printhex(state); \
+       printch('\n'); \
+} while (0)
+
+static void dump_io_pull(void)
+{
+       DUMP_GPIO_PULL(0);
+       DUMP_GPIO_PULL(1);
+       DUMP_GPIO_PULL(2);
+       DUMP_GPIO_PULL(3);
+       DUMP_GPIO_PULL(4);
+       DUMP_GPIO_PULL(5);
+       DUMP_GPIO_PULL(6);
+}
+
 static int rk29_pm_enter(suspend_state_t state)
 {
        u32 apll, cpll, gpll, mode, clksel0;
        u32 clkgate[4];
-       u32 gpio0_pull,gpio1_pull,gpio2_pull,gpio3_pull,gpio4_pull,gpio5_pull,gpio6_pull;
 
        // memory teseter
        if (ddr_debug == 3)
@@ -359,7 +384,9 @@ static int rk29_pm_enter(suspend_state_t state)
 
        // dump GPIO INTEN for debug
        dump_inten();
-
+       // dump GPIO PULL state for debug
+       dump_io_pull();
+       
        printch('0');
 
 #ifdef CONFIG_RK29_PWM_REGULATOR