Commit 336722eb authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'tty-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty and serial driver pull request for 4.19-rc1.

  It's not all that big, just a number of small serial driver updates
  and fixes, along with some better vt handling for unicode characters
  for those using braille terminals.

  All of these patches have been in linux-next for a long time with no
  reported issues"

* tag 'tty-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (73 commits)
  tty: serial: 8250: Revert NXP SC16C2552 workaround
  serial: 8250_exar: Read INT0 from slave device, too
  tty: rocket: Fix possible buffer overwrite on register_PCI
  serial: 8250_dw: Add ACPI support for uart on Broadcom SoC
  serial: 8250_dw: always set baud rate in dw8250_set_termios
  dt-bindings: serial: Add binding for uartlite
  tty: serial: uartlite: Add support for suspend and resume
  tty: serial: uartlite: Add clock adaptation
  tty: serial: uartlite: Add structure for private data
  serial: sh-sci: Improve support for separate TEI and DRI interrupts
  serial: sh-sci: Remove SCIx_RZ_SCIFA_REGTYPE
  serial: sh-sci: Allow for compressed SCIF address
  serial: sh-sci: Improve interrupts description
  serial: 8250: Use cached port name directly in messages
  serial: 8250_exar: Drop unused variable in pci_xr17v35x_setup()
  vt: drop unused struct vt_struct
  vt: avoid a VLA in the unicode screen scroll function
  vt: add /dev/vcsu* to devices.txt
  vt: coherence validation code for the unicode screen buffer
  vt: selection: take screen contents from uniscr if available
  ...
parents 5695d5d1 47ac7666
......@@ -160,6 +160,9 @@ extern void serial8250_do_shutdown(struct uart_port *port);
extern void serial8250_do_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate);
extern void serial8250_do_set_mctrl(struct uart_port *port, unsigned int mctrl);
extern void serial8250_do_set_divisor(struct uart_port *port, unsigned int baud,
unsigned int quot,
unsigned int quot_frac);
extern int fsl8250_handle_irq(struct uart_port *port);
int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr);
......
......@@ -127,6 +127,13 @@ struct uart_port {
struct ktermios *);
unsigned int (*get_mctrl)(struct uart_port *);
void (*set_mctrl)(struct uart_port *, unsigned int);
unsigned int (*get_divisor)(struct uart_port *,
unsigned int baud,
unsigned int *frac);
void (*set_divisor)(struct uart_port *,
unsigned int baud,
unsigned int quot,
unsigned int quot_frac);
int (*startup)(struct uart_port *port);
void (*shutdown)(struct uart_port *port);
void (*throttle)(struct uart_port *port);
......
......@@ -119,13 +119,13 @@
#include <linux/fs.h>
#include <linux/wait.h>
#include <linux/atomic.h>
/*
* the semaphore definition
*/
struct ld_semaphore {
long count;
atomic_long_t count;
raw_spinlock_t wait_lock;
unsigned int wait_readers;
struct list_head read_wait;
......
......@@ -357,8 +357,29 @@
#define K_DTILDE K(KT_DEAD,3)
#define K_DDIERE K(KT_DEAD,4)
#define K_DCEDIL K(KT_DEAD,5)
#define K_DMACRON K(KT_DEAD,6)
#define K_DBREVE K(KT_DEAD,7)
#define K_DABDOT K(KT_DEAD,8)
#define K_DABRING K(KT_DEAD,9)
#define K_DDBACUTE K(KT_DEAD,10)
#define K_DCARON K(KT_DEAD,11)
#define K_DOGONEK K(KT_DEAD,12)
#define K_DIOTA K(KT_DEAD,13)
#define K_DVOICED K(KT_DEAD,14)
#define K_DSEMVOICED K(KT_DEAD,15)
#define K_DBEDOT K(KT_DEAD,16)
#define K_DHOOK K(KT_DEAD,17)
#define K_DHORN K(KT_DEAD,18)
#define K_DSTROKE K(KT_DEAD,19)
#define K_DABCOMMA K(KT_DEAD,20)
#define K_DABREVCOMMA K(KT_DEAD,21)
#define K_DDBGRAVE K(KT_DEAD,22)
#define K_DINVBREVE K(KT_DEAD,23)
#define K_DBECOMMA K(KT_DEAD,24)
#define K_DCURRENCY K(KT_DEAD,25)
#define K_DGREEK K(KT_DEAD,26)
#define NR_DEAD 6
#define NR_DEAD 27
#define K_DOWN K(KT_CUR,0)
#define K_LEFT K(KT_CUR,1)
......
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