Re: [PATCH] serial: uart: add hw flow control support configuration

[Greg Kroah-Hartman]

On Wed, Apr 23, 2014 at 03:27:17PM +0100, One Thousand Gnomes wrote:
> > >-	if (up->capabilities & UART_CAP_AFE && port->fifosize >= 32) {
> > >+	if ((up->capabilities & UART_CAP_AFE && (port->fifosize >= 32)) ||
> > >+	    port->flags & UPF_HARD_FLOW) {
> > 
> > [Alan] Surely you want brackets on the port->flags & UPF_HARD_FLOW ??
> > 
> > The C precedence table shows following order:=
> > -> & ||
> > 
> > So flags will be accessed first and then AND-ed with  UPF_HARD_FLOW and
> > result will be OR-ed with left side expression value. So no need for bracket IMO.
> 
> Yep... agreed.

Perhaps, but please put them there so we all _know_ what it is doing is
correct.

greg k-h
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