Re: [PATCH 1/9] serial: Add common rs485 device tree parsing function

[Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

On Wed, Jun 21, 2017 at 12:21:22PM +0200, Uwe Kleine-König wrote:
> From: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> 
> Several drivers have the same device tree parsing code. Create
> a common helper function for it.
> 
> Signed-off-by: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> ---
>  drivers/tty/serial/Kconfig  |  4 ++++
>  drivers/tty/serial/Makefile |  2 ++
>  drivers/tty/serial/of.c     | 45 +++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/serial_core.h | 12 ++++++++++++
>  4 files changed, 63 insertions(+)
>  create mode 100644 drivers/tty/serial/of.c
> 
> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> index 5c8850f7a2a0..8baef5b95bed 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -14,6 +14,10 @@ config SERIAL_EARLYCON
>  	  the console before standard serial driver is probed. The console is
>  	  enabled when early_param is processed.
>  
> +config OF_SERIAL
> +	depends on SERIAL_CORE
> +	def_bool y

This probably also needs a dependency on some device tree option,
CONFIG_OF maybe?

Sascha


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