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SubjectRe: [PATCH] remoteproc: imx_dsp_rproc: Fix kernel test robot sparse warning
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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@intel.com/T/
>
> Fixes: 408ec1ff0caa ("remoteproc: imx_dsp_rproc: Add custom memory copy implementation for i.MX DSP Cores")
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Tested-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>

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;

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