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Merge tag 'tty-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

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Pull tty/serial fixes from Greg KH:
 "Here are some tty and serial driver fixes for reported issues for
  4.17-rc3.

  Nothing major, but a number of small things:

   - device tree fixes/updates for serial ports

   - earlycon fixes

   - n_gsm fixes

   - tty core change reverted to help resolve syszkaller reports

   - other serial driver small fixes

  All of these have been in linux-next with no reported issues"

* tag 'tty-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Use __GFP_NOFAIL for tty_ldisc_get()
  tty: serial: xuartps: Setup early console when uartclk is also passed
  tty: Don't call panic() at tty_ldisc_init()
  tty: Avoid possible error pointer dereference at tty_ldisc_restore().
  dt-bindings: mvebu-uart: DT fix s/interrupts-names/interrupt-names/
  tty: serial: qcom_geni_serial: Use signed variable to get IRQ
  earlycon: Use a pointer table to fix __earlycon_table stride
  serial: sh-sci: Document r8a77470 bindings
  dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
  serial: imx: fix cached UCR2 read on software reset
  serial: imx: warn user when using unsupported configuration
  serial: mvebu-uart: Fix local flags handling on termios update
  tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not set
  tty: n_gsm: Fix long delays with control frame timeouts in ADM mode
This commit is contained in:
Linus Torvalds
2018-04-27 10:03:38 -07:00
parent 79a17dd9d2 bcdd0ca8cb
commit b52c85a7b7
15 changed files with 93 additions and 40 deletions
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21
include/linux/serial_core.h
View File

@@ -351,10 +351,10 @@ struct earlycon_id {
char name[16];
char compatible[128];
int (*setup)(struct earlycon_device *, const char *options);
} __aligned(32);
};
extern const struct earlycon_id __earlycon_table[];
extern const struct earlycon_id __earlycon_table_end[];
extern const struct earlycon_id *__earlycon_table[];
extern const struct earlycon_id *__earlycon_table_end[];
#if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE)
#define EARLYCON_USED_OR_UNUSED __used
@@ -362,12 +362,19 @@ extern const struct earlycon_id __earlycon_table_end[];
#define EARLYCON_USED_OR_UNUSED __maybe_unused
#endif
#define OF_EARLYCON_DECLARE(_name, compat, fn) \
static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \
EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \
#define _OF_EARLYCON_DECLARE(_name, compat, fn, unique_id) \
static const struct earlycon_id unique_id \
EARLYCON_USED_OR_UNUSED __initconst \
= { .name = __stringify(_name), \
.compatible = compat, \
.setup = fn }
.setup = fn }; \
static const struct earlycon_id EARLYCON_USED_OR_UNUSED \
__section(__earlycon_table) \
* const __PASTE(__p, unique_id) = &unique_id
#define OF_EARLYCON_DECLARE(_name, compat, fn) \
_OF_EARLYCON_DECLARE(_name, compat, fn, \
__UNIQUE_ID(__earlycon_##_name))
#define EARLYCON_DECLARE(_name, fn) OF_EARLYCON_DECLARE(_name, "", fn)

2
include/linux/tty.h
View File

@@ -701,7 +701,7 @@ extern int tty_unregister_ldisc(int disc);
extern int tty_set_ldisc(struct tty_struct *tty, int disc);
extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
extern void tty_ldisc_release(struct tty_struct *tty);
extern void tty_ldisc_init(struct tty_struct *tty);
extern int __must_check tty_ldisc_init(struct tty_struct *tty);
extern void tty_ldisc_deinit(struct tty_struct *tty);
extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
char *f, int count);