[PATCH v5] flexcan: add err_irq handler for flexcan

[Marc Kleine-Budde]

On 07/03/2014 04:23 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 <B45475 at freescale.com>
> ---
> 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 triggered
> 	- stop transmitted packets when there is an err_interrupt 
> Changes for v4:
> 	- call flexcan_irq 
> Changes for v5:
> 	- move err_int_handling code from flexcan_irq to flexcan_err_irq
> 	- call flexcan_err_irq from flexcan_irq

Why do you move the RX IRQ handling into the error IRQ function? If I
understand you correctly you only want to do error interrupt handling
the error IRQ function, right?

Marc
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