]> git.baikalelectronics.ru Git - kernel.git/commit
serial: 8250_pci: report DCD and DSR signals as active for Bay Trail
authorWan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Wed, 6 Apr 2016 04:06:52 +0000 (12:06 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 30 Apr 2016 16:26:55 +0000 (09:26 -0700)
commit243873a73441bf0404c5071bc00188be72725b11
tree995dc2978b1f4dc11e283ba9884a3d22e6589f1a
parentf05e56d6ed6caccec7a092ab37a7263fe22886f1
serial: 8250_pci: report DCD and DSR signals as active for Bay Trail

Bay Trail UART port does not support DCD and DSR lines. The driver
shall report that these signals are permanently active. This patch
is for HSUART enumerated via PCI.

For ACPI, see commit 8a78caafd16e ("serial: 8250_dw: Fix get_mctrl
behaviour"). The commit also describes the possible issue if these
signals are enabled on a port without these pins.

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_pci.c