Re: [ patch 3/5] drivers/serial/jsm: new serial device driver

From: Arjan van de Ven
Date: Fri Mar 11 2005 - 11:07:40 EST


On Fri, 2005-03-11 at 10:38 -0500, Wen Xiong wrote:

> +static void neo_set_cts_flow_control(struct jsm_channel *ch)
> +{
> + u8 ier = readb(&ch->ch_neo_uart->ier);
> + u8 efr = readb(&ch->ch_neo_uart->efr);
> +
...
> +
> + writeb(ier, &ch->ch_neo_uart->ier);
> +}


Hi,

have you ever audited this driver for PCI posting errors? On very first
sight it looks like the driver doesn't do this correctly but it might
just be very subtle...

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