On Thu, Apr 16, 2015 at 10:54:18AM +0800, Robin Gong wrote:
> Some spi device drivers use the same tx_buf and rx_buf repeatly for better
> performance such as driver/input/touchsreen/ads7846.c, but spi core grab
> tx_buf
> /rx_buf of transfer and set them as dummy_tx/dummy_rx once they are NULL.
On Thu, Apr 16, 2015 at 10:54:18AM +0800, Robin Gong wrote:
Some spi device drivers use the same tx_buf and rx_buf repeatly for better
performance such as driver/input/touchsreen/ads7846.c, but spi core grab
tx_buf
/rx_buf of transfer and set them as dummy_tx/dummy_rx once they are NULL.
Some spi device drivers use the same tx_buf and rx_buf repeatly for better
performance such as driver/input/touchsreen/ads7846.c, but spi core grab tx_buf
/rx_buf of transfer and set them as dummy_tx/dummy_rx once they are NULL. Thus,
in the second time the tx_buf/rx_buf will be replaced by
Some spi device drivers use the same tx_buf and rx_buf repeatly for better
performance such as driver/input/touchsreen/ads7846.c, but spi core grab tx_buf
/rx_buf of transfer and set them as dummy_tx/dummy_rx once they are NULL. Thus,
in the second time the tx_buf/rx_buf will be replaced by
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