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由 Jean-Jacques Hiblot 提交于
Before disabling the pm_runtime, we must ensure that there is no transfer in progress nor will a new one be started. Otherwise the message pump will fail and in the end, the process requesting the transfer will be stuck. This behavior has been observed when transferring data from a SPI flash with dd while removing the module on a DRA7x-evm. Signed-off-by: NJean-Jacques Hiblot <jjhiblot@ti.com> Signed-off-by: NMark Brown <broonie@kernel.org>
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