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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/8250/8250_core.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/8250/8250_core.c')
-rw-r--r-- | drivers/tty/serial/8250/8250_core.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 271d12137649..39126460c1f5 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -569,6 +569,9 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev) for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; + if (up->port.type == PORT_8250_CIR) + continue; + if (up->port.dev) continue; @@ -1027,13 +1030,24 @@ int serial8250_register_8250_port(struct uart_8250_port *up) if (up->dl_write) uart->dl_write = up->dl_write; - if (serial8250_isa_config != NULL) - serial8250_isa_config(0, &uart->port, - &uart->capabilities); + if (uart->port.type != PORT_8250_CIR) { + if (serial8250_isa_config != NULL) + serial8250_isa_config(0, &uart->port, + &uart->capabilities); + + ret = uart_add_one_port(&serial8250_reg, + &uart->port); + if (ret == 0) + ret = uart->port.line; + } else { + dev_info(uart->port.dev, + "skipping CIR port at 0x%lx / 0x%llx, IRQ %d\n", + uart->port.iobase, + (unsigned long long)uart->port.mapbase, + uart->port.irq); - ret = uart_add_one_port(&serial8250_reg, &uart->port); - if (ret == 0) - ret = uart->port.line; + ret = 0; + } } mutex_unlock(&serial_mutex); |