linux-kernel - Re: [PATCH 1/1] serial: 8250_dma: Rearm DMA Rx if more data is pending

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Date:   Tue, 8 Nov 2022 14:57:34 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gilles BULOZ <gilles.buloz@...tron.com>
Subject: Re: [PATCH 1/1] serial: 8250_dma: Rearm DMA Rx if more data is
 pending

On Mon, Nov 07, 2022 at 01:31:52PM +0200, Andy Shevchenko wrote:
> On Mon, Nov 07, 2022 at 12:21:26PM +0200, Ilpo Järvinen wrote:

...

> Yep, I used to have something like draft of the below change locally.
> Thanks for putting it in shape and upstreamimg!
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

...

> > -static void __dma_rx_complete(void *param)
> > +static void __dma_rx_complete(struct uart_8250_port *p)
> >  {
> > -	struct uart_8250_port	*p = param;
> >  	struct uart_8250_dma	*dma = p->dma;

Btw, looking into my patch in archives I noticed that dma can also be passed as
a parameter...

...

> > +static void dma_rx_complete(void *param)
> > +{
> > +	struct uart_8250_port *p = param;

> > +	struct uart_8250_dma *dma = p->dma;

...since you have it already here.

> > +	unsigned long flags;
> > +
> > +	__dma_rx_complete(p);

-- 
With Best Regards,
Andy Shevchenko