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.

Krzysztof Kozlowski committed 8 months ago

Commit 90dacbf1 parent 4251dab2 files · +2 −2Browse files

Unified · Split

2 files

@@ -1078,7 +1078,7 @@ static void scp_unregister_ipi(struct platform_device *pdev, u32 id) · 1077 unmodified lines
1078	scp_ipi_unregister(scp, id);	1078	scp_ipi_unregister(scp, id);
1079	}	1079	}
1080		1080
1081	static int scp_send_ipi(struct platform_device pdev, u32 id, void buf,	1081	static int scp_send_ipi(struct platform_device pdev, u32 id, const void buf,
1082	unsigned int len, unsigned int wait)	1082	unsigned int len, unsigned int wait)
1083	{	1083	{
1084	struct mtk_scp *scp = platform_get_drvdata(pdev);	1084	struct mtk_scp *scp = platform_get_drvdata(pdev);

@@ -25,7 +25,7 @@ struct mtk_rpmsg_info { · 24 unmodified lines
25	ipi_handler_t handler, void *priv);	25	ipi_handler_t handler, void *priv);
26	void (unregister_ipi)(struct platform_device pdev, u32 id);	26	void (unregister_ipi)(struct platform_device pdev, u32 id);
27	int (send_ipi)(struct platform_device pdev, u32 id,	27	int (send_ipi)(struct platform_device pdev, u32 id,
28	void *buf, unsigned int len, unsigned int wait);	28	const void *buf, unsigned int len, unsigned int wait);
29	int ns_ipi_id;	29	int ns_ipi_id;
30	};	30	};
31		31

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