On Sun, Aug 19, 2012 at 11:46 PM, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 18 Aug 2012 23:44:29 -0700
> Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> On Sun, Aug 19, 2012 at 02:27:12PM -0400, Huang Shijie wrote:
>> > --- a/include/linux/tty.h
>> > +++ b/include/linux/tty.h
>> > @@ -43,6 +43,7 @@
>> > #include <linux/tty_driver.h>
>> > #include <linux/tty_ldisc.h>
>> > #include <linux/mutex.h>
>> > +#include <linux/serial.h>
>> >
>> >
>> >
>> > @@ -513,6 +514,12 @@ static inline struct tty_port *tty_port_get(struct tty_port *port)
>> > return port;
>> > }
>> >
>> > +/* If the cts flow control is enabled, return true. */
>> > +static inline bool tty_port_cts_enabled(struct tty_port *port)
>> > +{
>> > + return port->flags & ASYNC_CTS_FLOW;
>> > +}
>> > +
>>
>> The fact that you have to add serial.h to this file kind of implies that
>> this function shouldn't be here, right?
>>
>> How about serial.h instead? Not all tty drivers are serial drivers :)
>
> tty_port is tty generic so possibly if there is a generic helper the
> flags and helper should likewise be this way.
>
> As it stands at the moment ASYNC_CTS_FLOW is a convention a few drivers
> use. So calling it tty_port_xxx is going to misleading.
this patch makes the header files in a mess.
Please just ignore this patch if it is not good enough.
thanks
Huang Shijie
>
> Alan
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