Re: [PATCH] spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode

2010-10-20 Thread Grant Likely
On Tue, Oct 19, 2010 at 06:03:27PM +0800, Jason Wang wrote: > In the TX_ONLY transfer, the SPI controller also receives data > simultaneously and saves them in the rx register. After the TX_ONLY > transfer, the rx register will hold the random data received during > the last tx transaction. > > If

[PATCH] spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode

2010-10-19 Thread Jason Wang
In the TX_ONLY transfer, the SPI controller also receives data simultaneously and saves them in the rx register. After the TX_ONLY transfer, the rx register will hold the random data received during the last tx transaction. If the direct following transfer is RX_ONLY, this random data has the poss