On 06/23/2014 10:15 AM, qiang.z...@freescale.com wrote:
[...]
> + reg_esr = flexcan_read(®s->esr);
> + reg_ctrl = flexcan_read(®s->ctrl);
> + if (reg_esr & FLEXCAN_ESR_TX_WRN) {
When does the hardware trigger the interrupt?
>>>
>>> When there is no wire link between tx and rx,
od Scott-B07421
> Subject: Re: [PATCH v3 1/2] flexcan: add err_irq handler for flexcan
>
> On 06/23/2014 09:26 AM, qiang.z...@freescale.com wrote:
> >
> > On 06/23/2014 03:18 PM, Marc Kleine-Budde wrote:
> >
> >>
> >> On 06/23/2014 09:11 AM, Zhao Qiang
On 06/23/2014 09:26 AM, qiang.z...@freescale.com wrote:
>
> On 06/23/2014 03:18 PM, Marc Kleine-Budde wrote:
>
>>
>> On 06/23/2014 09:11 AM, Zhao Qiang wrote:
>>> when flexcan is not physically linked, command 'cantest' will trigger
>>> an err_irq, add err_irq handler for it.
>>>
>>> Signed-off-b
On 06/23/2014 03:18 PM, Marc Kleine-Budde wrote:
>
> On 06/23/2014 09:11 AM, Zhao Qiang wrote:
> > when flexcan is not physically linked, command 'cantest' will trigger
> > an err_irq, add err_irq handler for it.
> >
> > Signed-off-by: Zhao Qiang
> > ---
> > Changes for v2:
> > - use a spac
On 06/23/2014 09:11 AM, Zhao Qiang wrote:
> when flexcan is not physically linked, command 'cantest' will
> trigger an err_irq, add err_irq handler for it.
>
> Signed-off-by: Zhao Qiang
> ---
> Changes for v2:
> - use a space instead of tab
> - use flexcan_poll_state instead of print
when flexcan is not physically linked, command 'cantest' will
trigger an err_irq, add err_irq handler for it.
Signed-off-by: Zhao Qiang
---
Changes for v2:
- use a space instead of tab
- use flexcan_poll_state instead of print
Changes for v3:
- return IRQ_HANDLED if err is
