diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> | 2026-03-17 13:36:51 +0100 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-04-06 09:37:51 -0500 |
| commit | 90dacbf4bf13410c727ffaca8fe3ce3276ae58c2 (patch) | |
| tree | 2f9d45bdfb66047a7d80121eefef0026326cad38 | |
| parent | 4251dab9d176212afdf4ced263b59bc0d5292c7f (diff) | |
remoteproc: mtk_scp: Constify buffer passed to scp_send_ipi()
scp_send_ipi() should only send the passed buffer, without modifying its
contents, so mark pointer 'buf' as pointer to const.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260317-rpmsg-send-const-v3-2-4d7fd27f037f@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | drivers/remoteproc/mtk_scp.c | 2 | ||||
| -rw-r--r-- | include/linux/rpmsg/mtk_rpmsg.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 4651311aeb07..b5c052c72a1b 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -1078,7 +1078,7 @@ static void scp_unregister_ipi(struct platform_device *pdev, u32 id) scp_ipi_unregister(scp, id); } -static int scp_send_ipi(struct platform_device *pdev, u32 id, void *buf, +static int scp_send_ipi(struct platform_device *pdev, u32 id, const void *buf, unsigned int len, unsigned int wait) { struct mtk_scp *scp = platform_get_drvdata(pdev); diff --git a/include/linux/rpmsg/mtk_rpmsg.h b/include/linux/rpmsg/mtk_rpmsg.h index 363b60178040..badcbc89917f 100644 --- a/include/linux/rpmsg/mtk_rpmsg.h +++ b/include/linux/rpmsg/mtk_rpmsg.h @@ -25,7 +25,7 @@ struct mtk_rpmsg_info { ipi_handler_t handler, void *priv); void (*unregister_ipi)(struct platform_device *pdev, u32 id); int (*send_ipi)(struct platform_device *pdev, u32 id, - void *buf, unsigned int len, unsigned int wait); + const void *buf, unsigned int len, unsigned int wait); int ns_ipi_id; }; |
