Re: [PATCH V2 1/2] serial/8250: Add support for NI-Serial PXI/PXIe+485 devices

From: Greg KH
Date: Wed Jul 03 2019 - 11:59:46 EST


On Wed, Jul 03, 2019 at 05:41:25PM +0200, Enrico Weigelt, metux IT consult wrote:
> On 03.07.19 16:47, Greg KH wrote:
> > On Wed, Jul 03, 2019 at 03:27:11PM +0200, Enrico Weigelt, metux IT consult wrote:
> >>> /* UART Port Control Register */> -#define NI8430_PORTCON 0x0f> -#define NI8430_PORTCON_TXVR_ENABLE (1 << 3)
> >> Can we have that renaming as a separate patch, to ease review ?
> >>
> >> And what about introducing a config sym for the new device specific
> >> stuff ? These devices seem to be pretty rare - never seen them in
> >> embeded world, where we do need to care of kernel size.
> >
> > No, that's not the way this driver works, sorry.
>
> That's sad, because in embedded world we often have to care about
> code size, so making those devices optional would be of great help.

Really? are you sure? Try it and see what you really end up saving.

greg k-h