Remove CONFIG_VT for FH8852V100 to avoid kernel crash && apply pty patch

br-ext-chip-fullhan/board/fh8852v100/kernel/fh8833v100.generic.config

@@ -825,8 +825,8 @@ CONFIG_INPUT=y
 #
 # Character devices
 #
-CONFIG_VT=y
+# CONFIG_VT is not set
-CONFIG_CONSOLE_TRANSLATIONS=y
+# CONFIG_CONSOLE_TRANSLATIONS is not set
 # CONFIG_VT_CONSOLE is not set
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set

br-ext-chip-fullhan/board/fh8852v100/kernel/fh8852v100.generic.config

@@ -826,8 +826,8 @@ CONFIG_INPUT=y
 #
 # Character devices
 #
-CONFIG_VT=y
+# CONFIG_VT is not set
-CONFIG_CONSOLE_TRANSLATIONS=y
+# CONFIG_CONSOLE_TRANSLATIONS is not set
 # CONFIG_VT_CONSOLE is not set
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set

br-ext-chip-fullhan/board/fh8852v100/kernel/fh8856v100.generic.config

@@ -826,8 +826,8 @@ CONFIG_INPUT=y
 #
 # Character devices
 #
-CONFIG_VT=y
+# CONFIG_VT is not set
-CONFIG_CONSOLE_TRANSLATIONS=y
+# CONFIG_CONSOLE_TRANSLATIONS is not set
 # CONFIG_VT_CONSOLE is not set
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set

br-ext-chip-fullhan/board/fh8852v100/kernel/patches/13_fix_openpty.patch

@@ -0,0 +1,144 @@
+--- a/drivers/tty/pty.c
++++ b/drivers/tty/pty.c
+@@ -721,7 +721,18 @@ err_file:
+ 	return retval;
+ }
+ 
+-static struct file_operations ptmx_fops;
++static const struct file_operations ptmx_fops = 
++{
++	.llseek		= no_llseek,
++	.read		= tty_read,
++	.write		= tty_write,
++	.poll		= tty_poll,
++	.unlocked_ioctl	= tty_ioctl,
++	.compat_ioctl	= tty_compat_ioctl,
++	.open		= ptmx_open,
++	.release	= tty_release,
++	.fasync		= tty_fasync,
++};
+ 
+ static void __init unix98_pty_init(void)
+ {
+@@ -775,9 +786,6 @@ static void __init unix98_pty_init(void)
+ 	register_sysctl_table(pty_root_table);
+ 
+ 	/* Now create the /dev/ptmx special device */
+-	tty_default_fops(&ptmx_fops);
+-	ptmx_fops.open = ptmx_open;
+-
+ 	cdev_init(&ptmx_cdev, &ptmx_fops);
+ 	if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) ||
+ 	    register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0)
+
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -137,21 +137,10 @@ EXPORT_SYMBOL(tty_mutex);
+ /* Spinlock to protect the tty->tty_files list */
+ DEFINE_SPINLOCK(tty_files_lock);
+ 
+-static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *);
+-static ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *);
+ ssize_t redirected_tty_write(struct file *, const char __user *,
+ 							size_t, loff_t *);
+-static unsigned int tty_poll(struct file *, poll_table *);
+ static int tty_open(struct inode *, struct file *);
+-long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+-#ifdef CONFIG_COMPAT
+-static long tty_compat_ioctl(struct file *file, unsigned int cmd,
+-				unsigned long arg);
+-#else
+-#define tty_compat_ioctl NULL
+-#endif
+ static int __tty_fasync(int fd, struct file *filp, int on);
+-static int tty_fasync(int fd, struct file *filp, int on);
+ static void release_tty(struct tty_struct *tty, int idx);
+ static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
+ static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
+@@ -962,7 +951,7 @@ static void tty_update_time(struct timespec *time)
+  *	read calls may be outstanding in parallel.
+  */
+ 
+-static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
++ssize_t tty_read(struct file *file, char __user *buf, size_t count,
+ 			loff_t *ppos)
+ {
+ 	int i;
+@@ -1141,7 +1130,7 @@ void tty_write_message(struct tty_struct *tty, char *msg)
+  *	write method will not be invoked in parallel for each device.
+  */
+ 
+-static ssize_t tty_write(struct file *file, const char __user *buf,
++ssize_t tty_write(struct file *file, const char __user *buf,
+ 						size_t count, loff_t *ppos)
+ {
+ 	struct inode *inode = file->f_path.dentry->d_inode;
+@@ -2002,7 +1991,7 @@ got_driver:
+  *	may be re-entered freely by other callers.
+  */
+ 
+-static unsigned int tty_poll(struct file *filp, poll_table *wait)
++unsigned int tty_poll(struct file *filp, poll_table *wait)
+ {
+ 	struct tty_struct *tty = file_tty(filp);
+ 	struct tty_ldisc *ld;
+@@ -2059,7 +2048,7 @@ out:
+ 	return retval;
+ }
+ 
+-static int tty_fasync(int fd, struct file *filp, int on)
++int tty_fasync(int fd, struct file *filp, int on)
+ {
+ 	int retval;
+ 	tty_lock();
+@@ -3246,11 +3235,6 @@ struct tty_struct *get_current_tty(void)
+ }
+ EXPORT_SYMBOL_GPL(get_current_tty);
+ 
+-void tty_default_fops(struct file_operations *fops)
+-{
+-	*fops = tty_fops;
+-}
+-
+ /*
+  * Initialize the console device. This is called *early*, so
+  * we can't necessarily depend on lots of kernel help here.
+
+--- a/include/linux/tty.h
++++ b/include/linux/tty.h
+@@ -13,6 +13,7 @@
+ #include <linux/tty_driver.h>
+ #include <linux/tty_ldisc.h>
+ #include <linux/mutex.h>
++#include <linux/poll.h>
+ 
+ #include <asm/system.h>
+ 
+@@ -470,7 +471,6 @@ extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
+ extern dev_t tty_devnum(struct tty_struct *tty);
+ extern void proc_clear_tty(struct task_struct *p);
+ extern struct tty_struct *get_current_tty(void);
+-extern void tty_default_fops(struct file_operations *fops);
+ extern struct tty_struct *alloc_tty_struct(void);
+ extern int tty_alloc_file(struct file *file);
+ extern void tty_add_file(struct tty_struct *tty, struct file *file);
+@@ -482,6 +482,19 @@ extern void deinitialize_tty_struct(struct tty_struct *tty);
+ extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx,
+ 								int first_ok);
+ extern int tty_release(struct inode *inode, struct file *filp);
++extern ssize_t tty_read(struct file *, char __user *, size_t, loff_t *);
++extern ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *);
++extern unsigned int tty_poll(struct file *, poll_table *);
++
++#ifdef CONFIG_COMPAT
++extern long tty_compat_ioctl(struct file *file, unsigned int cmd,
++				unsigned long arg);
++#else
++#define tty_compat_ioctl NULL
++#endif
++extern int tty_fasync(int fd, struct file *filp, int on);
++
++
+ extern int tty_init_termios(struct tty_struct *tty);
+ 
+ extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty);