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author | Linus Torvalds | 2015-11-05 06:35:12 +0100 |
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committer | Linus Torvalds | 2015-11-05 06:35:12 +0100 |
commit | fd0d351de7bbd718bc2b34d5846854831aa2b88c (patch) | |
tree | b4630c372215deb2e17235707189f06603bee3a3 /drivers/tty/serial/fsl_lpuart.c | |
parent | Merge tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/greg... (diff) | |
parent | tty: Use unbound workqueue for all input workers (diff) | |
download | kernel-qcow2-linux-fd0d351de7bbd718bc2b34d5846854831aa2b88c.tar.gz kernel-qcow2-linux-fd0d351de7bbd718bc2b34d5846854831aa2b88c.tar.xz kernel-qcow2-linux-fd0d351de7bbd718bc2b34d5846854831aa2b88c.zip |
Merge tag 'tty-4.4-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 update for 4.4-rc1.
Lots of serial driver updates and a few small tty core changes. Full
details in the shortlog.
All of these have been in linux-next for a while"
* tag 'tty-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (148 commits)
tty: Use unbound workqueue for all input workers
tty: Abstract tty buffer work
tty: Prevent tty teardown during tty_write_message()
tty: core: Use correct spinlock flavor in tiocspgrp()
tty: Combine SIGTTOU/SIGTTIN handling
serial: amba-pl011: fix incorrect integer size in pl011_fifo_to_tty()
ttyFDC: Fix build problems due to use of module_{init,exit}
tty: remove unneeded return statement
serial: 8250_mid: add support for DMA engine handling from UART MMIO
dmaengine: hsu: remove platform data
dmaengine: hsu: introduce stubs for the exported functions
dmaengine: hsu: make the UART driver in control of selecting this driver
serial: fix mctrl helper functions
serial: 8250_pci: Intel MID UART support to its own driver
serial: fsl_lpuart: add earlycon support
tty: disable unbind for old 74xx based serial/mpsc console port
serial: pl011: Spelling s/clocks-names/clock-names/
n_tty: Remove reader wakeups for TTY_BREAK/TTY_PARITY chars
tty: synclink, fix indentation
serial: at91, fix rs485 properties
...
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
-rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 08ce76f4f261..3d790033744e 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1746,6 +1746,45 @@ static struct console lpuart32_console = { .data = &lpuart_reg, }; +static void lpuart_early_write(struct console *con, const char *s, unsigned n) +{ + struct earlycon_device *dev = con->data; + + uart_console_write(&dev->port, s, n, lpuart_console_putchar); +} + +static void lpuart32_early_write(struct console *con, const char *s, unsigned n) +{ + struct earlycon_device *dev = con->data; + + uart_console_write(&dev->port, s, n, lpuart32_console_putchar); +} + +static int __init lpuart_early_console_setup(struct earlycon_device *device, + const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + device->con->write = lpuart_early_write; + return 0; +} + +static int __init lpuart32_early_console_setup(struct earlycon_device *device, + const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + device->con->write = lpuart32_early_write; + return 0; +} + +OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup); +OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup); +EARLYCON_DECLARE(lpuart, lpuart_early_console_setup); +EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup); + #define LPUART_CONSOLE (&lpuart_console) #define LPUART32_CONSOLE (&lpuart32_console) #else |