Messages in this thread |  | | | Date | Tue, 04 Oct 2011 18:15:26 +0900 | | From | Tomoya MORINAGA <> | | Subject | Re: [PATCH 1/5] spi-topcliff-pch: add tx-memory clear after complete transmitting |
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Hi Grant,
1 month has passed. You look very busy, right ? We've been long waiting for your accept. Could you review these patch series ?
Thanks in advance.
(2011/09/06 16:58), Tomoya MORINAGA wrote: > Currently, in case of reading date from SPI flash, > command is sent twice. > The cause is that tx-memory clear processing is missing . > This patch adds the tx-momory clear processing. > > Signed-off-by: Tomoya MORINAGA<tomoya-linux@dsn.okisemi.com> > --- > drivers/spi/spi-topcliff-pch.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c > index 540c290..1b98b7e 100644 > --- a/drivers/spi/spi-topcliff-pch.c > +++ b/drivers/spi/spi-topcliff-pch.c > @@ -839,6 +839,11 @@ static void pch_spi_start_transfer(struct pch_spi_data *data) > > dma_sync_sg_for_cpu(&data->master->dev, dma->sg_rx_p, dma->nent, > DMA_FROM_DEVICE); > + > + dma_sync_sg_for_cpu(&data->master->dev, dma->sg_tx_p, dma->nent, > + DMA_FROM_DEVICE); > + memset(data->dma.tx_buf_virt, 0, PAGE_SIZE); > + > async_tx_ack(dma->desc_rx); > async_tx_ack(dma->desc_tx); > kfree(dma->sg_tx_p);
-- tomoya ROHM Co., Ltd.
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