Hi Michal, > -----Original Message----- > From: Simek, Michal <michal.si...@amd.com> > Sent: Thursday, September 14, 2023 7:34 PM > To: Abbarapu, Venkatesh <venkatesh.abbar...@amd.com>; u- > b...@lists.denx.de > Cc: ja...@amarulasolutions.com; g...@xilinx.com; Ashok Reddy Soma > <ashok.reddy.s...@amd.com> > Subject: Re: [PATCH] spi: zynqmp_qspi: Workaround for small data cache > issue > > > > On 9/14/23 12:48, Venkatesh Yadav Abbarapu wrote: > > Cache related issues are seen with small sized data reads. > > Due to this, proper data is not read. Also some times sf probe fails > > randomly. To workaround this issue, invalidate dcache after read DMA > > is triggered. > > > > Signed-off-by: Ashok Reddy Soma <ashok.reddy.s...@amd.com> > > Signed-off-by: Venkatesh Yadav Abbarapu > <venkatesh.abbar...@amd.com> > > --- > > drivers/spi/zynqmp_gqspi.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/spi/zynqmp_gqspi.c b/drivers/spi/zynqmp_gqspi.c > > index a506d15227..ec59ef5804 100644 > > --- a/drivers/spi/zynqmp_gqspi.c > > +++ b/drivers/spi/zynqmp_gqspi.c > > @@ -707,6 +707,8 @@ static int zynqmp_qspi_start_dma(struct > zynqmp_qspi_priv *priv, > > return -ETIMEDOUT; > > } > > > > + invalidate_dcache_range(addr, addr + size); > > + > > writel(GQSPI_DMA_DST_I_STS_DONE, &dma_regs->dmaisr); > > > > debug("buf:0x%lx, rxbuf:0x%lx, *buf:0x%x len: 0x%x\n", > > I got two patches. Which one is correct? > Can you please send v2?
There are two patches. Will send v2 as series. Thanks Venkatesh > > M