Re: [PATCH v1 1/1] serial: 8250_dma: Convert to use uart_xmit_advance()

From: Greg Kroah-Hartman
Date: Thu Sep 22 2022 - 10:34:19 EST


On Thu, Sep 22, 2022 at 05:24:55PM +0300, Ilpo Järvinen wrote:
> On Thu, 22 Sep 2022, Greg Kroah-Hartman wrote:
>
> > On Fri, Sep 09, 2022 at 12:11:02PM +0300, Andy Shevchenko wrote:
> > > uart_xmit_advance() provides a common way on how to advance
> > > the Tx queue. Use it for the sake of unification and robustness.
> > >
> > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > > ---
> > > drivers/tty/serial/8250/8250_dma.c | 4 +---
> > > 1 file changed, 1 insertion(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
> > > index d99020fd3427..b85c82616e8c 100644
> > > --- a/drivers/tty/serial/8250/8250_dma.c
> > > +++ b/drivers/tty/serial/8250/8250_dma.c
> > > @@ -26,9 +26,7 @@ static void __dma_tx_complete(void *param)
> > >
> > > dma->tx_running = 0;
> > >
> > > - xmit->tail += dma->tx_size;
> > > - xmit->tail &= UART_XMIT_SIZE - 1;
> > > - p->port.icount.tx += dma->tx_size;
> > > + uart_xmit_advance(&p->port, dma->tx_size);
> > >
> > > if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
> > > uart_write_wakeup(&p->port);
> > > --
> > > 2.35.1
> > >
> >
> > Breaks the build :(
>
> I'd guess it's because uart_xmit_advance() is current only in tty-linus,
> not in tty-next.

Probably, can someone resend this when 6.1-rc1 is out?

thanks,

greg k-h