Re: [PATCH] remoteproc: imx_dsp_rproc: fix argument 2 of rproc_mem_entry_init

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Hi,

On 8/15/2022 6:13 PM, Shengjiu Wang wrote:
There are sparse warning:
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void *va @@     got void [noderef] __iomem *[assigned] cpu_addr @@
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse:     expected void *va
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse:     got void [noderef] __iomem *[assigned] cpu_addr
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void *va @@     got void [noderef] __iomem *[assigned] cpu_addr @@
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse:     expected void *va
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse:     got void [noderef] __iomem *[assigned] cpu_addr

Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
  drivers/remoteproc/imx_dsp_rproc.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index ca0817f8e41e..899aa8dd12f0 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -599,7 +599,7 @@ static int imx_dsp_rproc_add_carveout(struct imx_dsp_rproc *priv)
  		}
/* Register memory region */
-		mem = rproc_mem_entry_init(dev, cpu_addr, (dma_addr_t)att->sa,
+		mem = rproc_mem_entry_init(dev, (void __force *)cpu_addr, (dma_addr_t)att->sa,
  					   att->size, da, NULL, NULL, "dsp_mem");
if (mem)
@@ -635,7 +635,7 @@ static int imx_dsp_rproc_add_carveout(struct imx_dsp_rproc *priv)
  		}
/* Register memory region */
-		mem = rproc_mem_entry_init(dev, cpu_addr, (dma_addr_t)rmem->base,
+		mem = rproc_mem_entry_init(dev, (void __force *)cpu_addr, (dma_addr_t)rmem->base,
  					   rmem->size, da, NULL, NULL, it.node->name);
if (mem)

Acked-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>

-Mukesh



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