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fiq_debugger: Add fiq_debugger.disable option

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This change allows to use same kernel image with
different console options for uart and fiq_debugger.
If fiq_debugger.disable will be set to 1/y/Y,
fiq_debugger will not be initialized.

Change-Id: I71fda54f5f863d13b1437b1f909e52dd375d002d
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt 2016-05-11 11:01:02 -07:00
parent 92c4fc6f09
commit 239dd54388
1 changed files with 6 additions and 0 deletions
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6
drivers/staging/android/fiq_debugger/fiq_debugger.c
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@ -123,11 +123,13 @@ static bool initial_console_enable;
#endif #endif
static bool fiq_kgdb_enable; static bool fiq_kgdb_enable;
static bool fiq_debugger_disable;
module_param_named(no_sleep, initial_no_sleep, bool, 0644); module_param_named(no_sleep, initial_no_sleep, bool, 0644);
module_param_named(debug_enable, initial_debug_enable, bool, 0644); module_param_named(debug_enable, initial_debug_enable, bool, 0644);
module_param_named(console_enable, initial_console_enable, bool, 0644); module_param_named(console_enable, initial_console_enable, bool, 0644);
module_param_named(kgdb_enable, fiq_kgdb_enable, bool, 0644); module_param_named(kgdb_enable, fiq_kgdb_enable, bool, 0644);
module_param_named(disable, fiq_debugger_disable, bool, 0644);
#ifdef CONFIG_FIQ_DEBUGGER_WAKEUP_IRQ_ALWAYS_ON #ifdef CONFIG_FIQ_DEBUGGER_WAKEUP_IRQ_ALWAYS_ON
static inline static inline
@ -1230,6 +1232,10 @@ int fiq_debugger_uart_overlay(void)
static int __init fiq_debugger_init(void) static int __init fiq_debugger_init(void)
{ {
if (fiq_debugger_disable) {
pr_err("serial_debugger: disabled\n");
return -ENODEV;
}
#if defined(CONFIG_FIQ_DEBUGGER_CONSOLE) #if defined(CONFIG_FIQ_DEBUGGER_CONSOLE)
fiq_debugger_tty_init(); fiq_debugger_tty_init();
#endif #endif