[PATCH] spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()

In case of xspi work in busy condition, may send bytes failed. once something wrong, spi controller did't work any more My test found this situation appear in both of read/write process. so when TX FIFO is full, add one byte delay before send data; Signed-off-by: sxauwsk --- drivers/spi/spi-cad

[PATCH] spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()

In case of xspi work in busy condition, may send bytes failed then caused communication failure. once something wrong, spi controller did't work any more. My test found this situation appear in both of read/write operation. so when TX FIFO is full, add one byte delay before send data. Signed-off-

Re: [PATCH] spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()

On Mon, Apr 09, 2018 at 07:16:50PM +0800, sxauwsk wrote: > In case of xspi work in busy condition, may send bytes failed. > Add one bytes delay > while ((trans_cnt < CDNS_SPI_FIFO_DEPTH) && > (xspi->tx_bytes > 0)) { > + > + /* When xspi in busy condition, bytes may s

[PATCH] spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()

In case of xspi work in busy condition, may send bytes failed. Add one bytes delay Signed-off-by: sxauwsk Signed-off-by: guojian Signed-off-by: wangshikai --- drivers/spi/spi-cadence.c |6 ++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cade

Re: [PATCH] spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()

On Tue, Apr 10, 2018 at 09:12:32PM +0800, sxau...@163.com wrote: > > > > > sxau...@163.com Please submit patches in the format described in SubmittingPatches, my mail program isn't seeing anything in the mail except what's quoted above. signature.asc Description: PGP signature