Re: [PATCH] remoteproc: imx_dsp_rproc: Fix kernel test robot sparse warning

From: Mathieu Poirier
Date: Tue Apr 11 2023 - 13:23:03 EST


On Tue, Apr 11, 2023 at 02:28:34AM +0300, Iuliana Prodan wrote:
> On 4/7/2023 7:14 PM, Mathieu Poirier wrote:
> > This patch fixes the kernel test robot warning reported here:
> >
> > https://lore.kernel.org/bpf/642f916b.pPIKZ%2Fl%2F%2Fbw8tvIH%25lkp@xxxxxxxxx/T/
> >
> > Fixes: 408ec1ff0caa ("remoteproc: imx_dsp_rproc: Add custom memory copy implementation for i.MX DSP Cores")
> > Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
>
> Tested-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
> Reviewed-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
>

Applied

> Thanks,
> Iulia
>
>
> > ---
> >
> > Iuliana - please thest this on your side
> >
> > ---
> > drivers/remoteproc/imx_dsp_rproc.c | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
> > index 21759d9e5b7b..c805cb83cacc 100644
> > --- a/drivers/remoteproc/imx_dsp_rproc.c
> > +++ b/drivers/remoteproc/imx_dsp_rproc.c
> > @@ -750,12 +750,12 @@ static void imx_dsp_rproc_kick(struct rproc *rproc, int vqid)
> > * The IRAM is part of the HiFi DSP.
> > * According to hw specs only 32-bits writes are allowed.
> > */
> > -static int imx_dsp_rproc_memcpy(void *dest, const void *src, size_t size)
> > +static int imx_dsp_rproc_memcpy(void *dst, const void *src, size_t size)
> > {
> > + void __iomem *dest = (void __iomem *)dst;
> > const u8 *src_byte = src;
> > const u32 *source = src;
> > u32 affected_mask;
> > - u32 *dst = dest;
> > int i, q, r;
> > u32 tmp;
> > @@ -768,7 +768,7 @@ static int imx_dsp_rproc_memcpy(void *dest, const void *src, size_t size)
> > /* copy data in units of 32 bits at a time */
> > for (i = 0; i < q; i++)
> > - writel(source[i], &dst[i]);
> > + writel(source[i], dest + i * 4);
> > if (r) {
> > affected_mask = GENMASK(8 * r, 0);
> > @@ -799,8 +799,8 @@ static int imx_dsp_rproc_memcpy(void *dest, const void *src, size_t size)
> > */
> > static int imx_dsp_rproc_memset(void *addr, u8 value, size_t size)
> > {
> > + void __iomem *tmp_dst = (void __iomem *)addr;
> > u32 tmp_val = value;
> > - u32 *tmp_dst = addr;
> > u32 affected_mask;
> > int q, r;
> > u32 tmp;