diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 20:57:27 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 20:57:27 -0700 |
commit | e10abc629f38efd9b6936cf3612583cc846104d9 (patch) | |
tree | 58fb8f6dba5d085d4b0352137d18faf7cfa47a69 /drivers/tty/serial/meson_uart.c | |
parent | 0eff4589c36edd03d50b835d0768b2c2ef3f20bd (diff) | |
parent | d20bb59af64667a16f2468b54fc0adb2f824a3b6 (diff) | |
download | linux-e10abc629f38efd9b6936cf3612583cc846104d9.tar.bz2 |
Merge tag 'tty-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial driver updates from Greg KH:
"Here's the large TTY and Serial driver update for 4.7-rc1.
A few new serial drivers are added here, and Peter has fixed a bunch
of long-standing bugs in the tty layer and serial drivers as normal.
Full details in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (88 commits)
MAINTAINERS: 8250: remove website reference
serial: core: Fix port mutex assert if lockdep disabled
serial: 8250_dw: fix wrong logic in dw8250_check_lcr()
tty: vt, finish looping on duplicate
tty: vt, return error when con_startup fails
QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
serial: mctrl_gpio: Drop support for out1-gpios and out2-gpios
serial: 8250dw: Add device HID for future AMD UART controller
Fix OpenSSH pty regression on close
serial: mctrl_gpio: add IRQ locking
serial: 8250: Integrate Fintek into 8250_base
serial: mps2-uart: add support for early console
serial: mps2-uart: add MPS2 UART driver
dt-bindings: document the MPS2 UART bindings
serial: sirf: Use generic uart-has-rtscts DT property
serial: sirf: Introduce helper variable struct device_node *np
serial: mxs-auart: Use generic uart-has-rtscts DT property
serial: imx: Use generic uart-has-rtscts DT property
doc: DT: Add Generic Serial Device Tree Bindings
serial: 8250: of: Make tegra_serial_handle_break() static
...
Diffstat (limited to 'drivers/tty/serial/meson_uart.c')
-rw-r--r-- | drivers/tty/serial/meson_uart.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 024445aa0521..6aea0f4a9165 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -481,18 +481,13 @@ static void meson_console_putchar(struct uart_port *port, int ch) writel(ch, port->membase + AML_UART_WFIFO); } -static void meson_serial_console_write(struct console *co, const char *s, - u_int count) +static void meson_serial_port_write(struct uart_port *port, const char *s, + u_int count) { - struct uart_port *port; unsigned long flags; int locked; u32 val, tmp; - port = meson_ports[co->index]; - if (!port) - return; - local_irq_save(flags); if (port->sysrq) { locked = 0; @@ -516,6 +511,18 @@ static void meson_serial_console_write(struct console *co, const char *s, local_irq_restore(flags); } +static void meson_serial_console_write(struct console *co, const char *s, + u_int count) +{ + struct uart_port *port; + + port = meson_ports[co->index]; + if (!port) + return; + + meson_serial_port_write(port, s, count); +} + static int meson_serial_console_setup(struct console *co, char *options) { struct uart_port *port; @@ -554,6 +561,27 @@ static int __init meson_serial_console_init(void) } console_initcall(meson_serial_console_init); +static void meson_serial_early_console_write(struct console *co, + const char *s, + u_int count) +{ + struct earlycon_device *dev = co->data; + + meson_serial_port_write(&dev->port, s, count); +} + +static int __init +meson_serial_early_console_setup(struct earlycon_device *device, const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + device->con->write = meson_serial_early_console_write; + return 0; +} +OF_EARLYCON_DECLARE(meson, "amlogic,meson-uart", + meson_serial_early_console_setup); + #define MESON_SERIAL_CONSOLE (&meson_serial_console) #else #define MESON_SERIAL_CONSOLE NULL |