Re: [PATCH] amba-pl011: clear previous interrupts beforerequest_irq

[Alan Cox]

>  	/*
> +	 * Clear previous interrupts before installing interrupt handler
> +	 */
> +	spin_lock_irq(&uap->port.lock);
> +	uap->im = 0;
> +	writew(uap->im, uap->port.membase + UART011_IMSC);
> +	writew(0xffff, uap->port.membase + UART011_ICR);
> +	spin_unlock_irq(&uap->port.lock);

I'm confused why you use spin_lock_irq before you've enabled the IRQ in
the first place but looks fine.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/