On Wed, May 20, 2015 at 02:17:40PM -0700, Bin Gao wrote: > On some Intel Atom SoCs, the legacy IO port UART(0x3F8) is not available. > Instead, a 8250 compatible PCI uart can be used as early console. > This patch adds pci support to the 8250 early console driver uart8250. > For example, to enable pci uart(00:21.3) as early console on these > platforms, append the following line to the kernel command line > (assume baud rate is 115200): > earlyprintk=uart8250,pci32,0:24.2,115200n8 > > Signed-off-by: Bin Gao <bin....@intel.com> > --- > arch/x86/Kconfig | 1 + > drivers/pci/Kconfig | 11 +++ > drivers/tty/serial/earlycon.c | 9 +++ > drivers/tty/serial/serial_core.c | 145 > ++++++++++++++++++++++++++++++++++++++- > 4 files changed, 164 insertions(+), 2 deletions(-)
What changed in this version? You can't just put "v4" without giving us some hint as to the differences here, sorry. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
