Hi Mark,
On Tuesday 26 November 2013 06:41 PM, Mark Brown wrote:
On Tue, Nov 26, 2013 at 01:05:08PM +0530, Sourav Poddar wrote:
Idea is to enable memory mapped by default at the end of the probe,
if the control reaches the "transfer" api, then the operation is
not a memory mapped one. Hence, we switch to Normal mode and at the
end of the "transfer" function. switch back to memory mapped mode.
This doesn't see safe, what happens if something tries to use the map
while a transfer is in progress?
Transfer gets initiated with the following api "ti_qspi_start_transfer_one".
At the beginning of this api, I am doing a "disable memory mapped", as
becuase of
the code implemntation, if the control has reaches this api, memory
mapped is not
the desired operation. Then, at the end of this api after
"spi_finalize_current_message(master)", which indicated the current
transfer complete, I
issue a end of transfer command. Only after which, I enable memory
mapped mode again.
So, will the condition you mention above will hit.? Please help me
understand if i am
missing something?
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