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net: w5100: enable to support sleepable register access interface
SPI transfer routines are callable only from contexts that can sleep. This adds ability to tell the core driver that the interface mode cannot access w5100 register on atomic contexts. In this case, workqueue and threaded irq are required. This also corrects timeout period waiting for command register to be automatically cleared because the latency of the register access with SPI transfer can be interfered by other contexts. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Mike Sinkovsky <msink@permonline.ru> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Akinobu Mita
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David S. Miller
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Apr 16, 2016
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