Hi Oliver.
> diff --git a/drivers/net/can/sja1000/sja1000.h
> b/drivers/net/can/sja1000/sja1000.h
> index 97a622b..de8e778 100644
> --- a/drivers/net/can/sja1000/sja1000.h
> +++ b/drivers/net/can/sja1000/sja1000.h
> @@ -167,6 +167,7 @@ struct sja1000_priv {
>
> void __iomem *reg_base; /* ioremap'ed address to registers */
> unsigned long irq_flags; /* for request_irq() */
> + spinlock_t cmdreg_lock; /* lock for concurrent cmd register writes */
>
> u16 flags; /* custom mode flags */
> u8 ocr; /* output control register */
You define your spinlock inside a struct so you cannot use
DEFINE_SPINLOCK().
But then you need to use spin_lock_init() - which I fail to see
you are doing in your patch.
Sam
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