Re: [PATCH v3] spi: mediatek: Don't modify spi_transfer when transfer.

On Wed, Sep 19, 2018 at 02:29:27PM +0800, Peter Shih wrote: > Mediatek SPI driver modifies some fields (tx_buf, rx_buf, len, tx_dma, > rx_dma) of the spi_transfer* passed in when doing transfer_one and in > interrupt handler. This is somewhat unexpected, and there are some Please do not submit new

[PATCH v3] spi: mediatek: Don't modify spi_transfer when transfer.

Mediatek SPI driver modifies some fields (tx_buf, rx_buf, len, tx_dma, rx_dma) of the spi_transfer* passed in when doing transfer_one and in interrupt handler. This is somewhat unexpected, and there are some caller (e.g. Cr50 spi driver) that reuse the spi_transfer for multiple messages. Add a fiel