fiq_debugger: disable usb uart by pass during booting time, when uart irqs are too...

diff --git a/drivers/staging/android/fiq_debugger/fiq_debugger.c b/drivers/staging/android/fiq_debugger/fiq_debugger.c
index dc179689ad1f568440a096823e33983279cedaff..a314d23edff5bade7ef4cdafbc9c8d6456130524 100755 (executable)
--- a/drivers/staging/android/fiq_debugger/fiq_debugger.c
+++ b/drivers/staging/android/fiq_debugger/fiq_debugger.c
@@ -144,6 +144,8 @@ static bool initial_console_enable;
 
 static bool fiq_kgdb_enable;
 
+static unsigned long jif = 0, recv_count0 = 0, recv_count1 = 0;
+
 module_param_named(no_sleep, initial_no_sleep, bool, 0644);
 module_param_named(debug_enable, initial_debug_enable, bool, 0644);
 module_param_named(console_enable, initial_console_enable, bool, 0644);
@@ -917,6 +919,7 @@ static bool fiq_debugger_handle_uart_interrupt(struct fiq_debugger_state *state,
        static int last_c;
        int count = 0;
        bool signal_helper = false;
+       unsigned long ms = 0;
 
        if (this_cpu != state->current_cpu) {
                if (state->in_fiq)
@@ -939,7 +942,19 @@ static bool fiq_debugger_handle_uart_interrupt(struct fiq_debugger_state *state,
        state->in_fiq = true;
 
        while ((c = fiq_debugger_getc(state)) != FIQ_DEBUGGER_NO_CHAR) {
-               count++;
+               recv_count0++;
+               if((recv_count0 - recv_count1) > 128) {
+                       ms = jiffies_to_msecs(jiffies - jif);
+                       if(ms < 1000) {
+                               if(cpu_is_rk3288()){
+                                       writel_relaxed((0x00c0 << 16),
+                                       RK_GRF_VIRT + RK3288_GRF_UOC0_CON3);
+                               }
+                       }
+                       jif = jiffies;
+                       recv_count1 = recv_count0;
+               }
+                count++;
                if (!state->debug_enable) {
                        if ((c == 13) || (c == 10)) {
                                state->debug_enable = true;