On Wed, May 15, 2013 at 11:51 AM, Lee Jones <[email protected]> wrote:
> When a DMA client requests and configures a DMA channel, it requests > data_width in Bytes. The DMA40 driver then swiftly converts it over to > the necessary register bit value. Unfortunately, for any subsequent > calculations we have to shift '1' by the bit pattern (1 << data_width) > times to make any sense of it. > > This patch flips the semantics on its head and only converts the value > to its respective register bit pattern when writing to registers. This > way we can use the true data_width (in Bytes) value. > > Cc: Vinod Koul <[email protected]> > Cc: Dan Williams <[email protected]> > Cc: Per Forlin <[email protected]> > Cc: Rabin Vincent <[email protected]> > Signed-off-by: Lee Jones <[email protected]> Patch applied with what I interpret as Vinod's ACK ("okay..." statement on last reply.) Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
