Hi Vinod,
	
	Thanks for the review...

[Snip]

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Btw how and when does DMA stop, assuming it is circular it never
would, isn't there a valid/stop flag associated with a descriptor
which tells DMA engine what to do next

There are two registers that controls the DMA transfers.
Current descriptor and tail descriptor register.
When current descriptor reaches tail descriptor dma engine will pause.

When reprogramming the tail descriptor the DMA engine will starts fetching

descriptors again.

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But with the existing driver flow if we reprogram the tail descriptor
The tail descriptor next descriptor field is pointing to an invalid
location Causing data corruption...

So the solution is..?

This patch.
I mean if we have a set of descriptors in chain (in circular manner last descriptor points to first descriptor)
It always points to valid descriptors. 

Will update the patch commit description in the next version...

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Btw there is something wrong with your MUA perhaps line are
titlecased for no reason. This is typically behavious of non linux
tool which may not be great tool for this work.

Thanks for pointing it out.
I usually replies from outlook from a windows machine.
Will check with others in my team how they configured their mail client.

Yeah that isnt right tool for the job. See Documentation/process/email-
clients.rst

FWIW, I use mutt, vim as editor with exchange servers, seems to work well for
me now.

Thanks for pointing it out will go through it.
Will install mutt in my Linux machine will start replying from that

Regards,
Kedar.

--
~Vinod