直接贴代码：
--- a/kernel-3.18/kernel/printk/printk.c
+++ b/kernel-3.18/kernel/printk/printk.c
@@ -377,7 +377,7 @@ static u32 log_buf_len = __LOG_BUF_LEN;
void mt_disable_uart(void)
{
if (mt_need_uart_console == 0)
- printk_disable_uart = 1;
+ printk_disable_uart = 0;
}
void mt_enable_uart(void)
{
--- a/vendor/mediatek/proprietary/bootable/bootloader/lk/app/mt_boot/mt_boot.c
+++ b/vendor/mediatek/proprietary/bootable/bootloader/lk/app/mt_boot/mt_boot.c
@@ -1028,7 +1028,7 @@ int boot_linux_fdt(void *kernel, unsigned *tags,
if (!has_set_p2u) {
#ifdef USER_BUILD
- sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=1");
+ sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=0");
#else
sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=0 ddebug_query=\"file *mediatek* +p ; file *gpu* =_\"");
#endif
@@ -1271,7 +1271,7 @@ void boot_linux(void *kernel, unsigned *tags,
#endif
if (!has_set_p2u) {
#ifdef USER_BUILD
- sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=1");
+ sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=0");
#else
sprintf(cmdline,"%s%s",cmdline," printk.disable_uart=0 ddebug_query=\"file *mediatek* +p ; file *gpu* =_\"");
#endif