On 08/24/2015 10:23 PM, Alexey Brodkin wrote: > Default value of both SERIAL_8250_NR_UARTS & SERIAL_8250_RUNTIME_UARTS is 4, > see: > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/tty/serial/8250/Kconfig > > And some boards rely on that default setting. > What's worse some boards use 3rd or even 4th UART as its primary > serial console. > > For example Synopsys DesignWare SDP board, see "console=ttyS3,115200n8" > here: > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/arc/boot/dts/axs101.dts > > So having expected default value allows usage of kernel configs that are > closer to their upstream versions. > > Cc: Jonas Gorski <j...@openwrt.org> > Cc: Zoltan HERPAI <wigy...@uid0.hu> > Cc: Hauke Mehrtens <ha...@hauke-m.de> > Cc: Dirk Neukirchen <dirkneukirc...@web.de> > Signed-off-by: Alexey Brodkin <abrod...@synopsys.com> > ---
Nack. Most targets are using 2 uarts. If your target needs more just overwrite this in your target/linux/<target name>/config-4.1 file like it is done in target/linux/sunxi/config-4.1 for example. Hauke _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel