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Re: [Xen-devel] xen/arm: uart interrupts handling

Hi Vijay,

On 05/12/2014 00:46, Vijay Kilari wrote:
 > Yes, this is the behaviour that Iam seeing. In Linux, uart driver
masks TXI interrupt
in IMSC if buffer is empty. However in xen, this scenario is not
handled. This is the reason why cpu does not come out of uart irq
routine if TX interrupt is raised but buffer is empty.

I have added below changes to fix this on top of your suggested change

Can you send a formal patch (commit message + signed-off-by)?

Also, you will have to make sure you don't break the other serial drivers.


Julien Grall

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