[PATCH LINUX v3 02/10] tty: xuartps: Use spinlock to serialize HW access

[Peter Hurley]

On 11/21/2015 09:59 PM, Soren Brinkmann wrote:
> Instead of disabling the IRQ, use the spin lock to serialize accesses to
> the HW. This protects the driver from interference of non-IRQ callbacks
> with each other and makes the driver more consistent in its
> serialization method.

Reviewed-by: Peter Hurley <peter at hurleysoftware.com>