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remoteproc: mtk_scp: Constify buffer passed to scp_send_ipi()

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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>
This commit is contained in:
Krzysztof Kozlowski
2026-03-17 13:36:51 +01:00
committed by Bjorn Andersson
parent 4251dab9d1
commit 90dacbf4bf
2 changed files with 2 additions and 2 deletions
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2
drivers/remoteproc/mtk_scp.c
View File

@@ -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);

2
include/linux/rpmsg/mtk_rpmsg.h
View File

@@ -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;
};