linux-kernel - Re: [PATCH] soc: qcom: provide mechanism for drivers to access L2 registers

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Message-ID: <573F7F5C.1050100@codeaurora.org>
Date:	Fri, 20 May 2016 14:19:24 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Neil Leeder <nleeder@...eaurora.org>,
	David Brown <david.brown@...aro.org>,
	Andy Gross <andy.gross@...aro.org>
Cc:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Mark Langsdorf <mlangsdo@...hat.com>,
	Mark Salter <msalter@...hat.com>, Jon Masters <jcm@...hat.com>,
	Timur Tabi <timur@...eaurora.org>, cov@...eaurora.org,
	ashwin.chaugule@...aro.org
Subject: Re: [PATCH] soc: qcom: provide mechanism for drivers to access L2
 registers

On 05/20/2016 12:13 PM, Neil Leeder wrote:
> diff --git a/drivers/soc/qcom/l2-accessors.c b/drivers/soc/qcom/l2-accessors.c
> new file mode 100644
> index 0000000..fbb69bd
> --- /dev/null
> +++ b/drivers/soc/qcom/l2-accessors.c
> @@ -0,0 +1,66 @@
> +/*
> + * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 and
> + * only version 2 as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <linux/spinlock.h>
> +#include <linux/module.h>

export.h instead?

> +#include <linux/soc/qcom/l2-accessors.h>
> +#include <asm/cputype.h>
> +#include <asm/sysreg.h>

Is there a patch to add sysreg.h to arch/arm? It would be nice to use
one l2 accessor API on arm64 and arm.

-- 
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