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firmware: arm_scmi: Add missing Rx size re-initialisation
[ Upstream commit 9724722 ] Few commands provide the list of description partially and require to be called consecutively until all the descriptors are fetched completely. In such cases, we don't release the buffers and reuse them for consecutive transmits. However, currently we don't reset the Rx size which will be set as per the response for the last transmit. This may result in incorrect response size being interpretted as the firmware may repond with size greater than the one set but we read only upto the size set by previous response. Let us reset the receive buffer size to max possible in such cases as we don't know the exact size of the response. Link: https://lore.kernel.org/r/20201012141746.32575-1-sudeep.holla@arm.com Fixes: b6f20ff ("firmware: arm_scmi: add common infrastructure and support for base protocol") Reported-by: Etienne Carriere <etienne.carriere@linaro.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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