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From: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
To: "Suzuki K. Poulose" <suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	Nicolas Pitre <nico-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Bartlomiej Zolnierkiewicz
	<b.zolnierkie-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Abhilash Kesavan
	<a.kesavan-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Liviu Dudau <Liviu.Dudau-5wv7dgnIgG8@public.gmane.org>,
	Lorenzo Pieralisi
	<Lorenzo.Pieralisi-5wv7dgnIgG8@public.gmane.org>,
	Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
	Pawel Moll <Pawel.Moll-5wv7dgnIgG8@public.gmane.org>,
	Punit Agrawal <Punit.Agrawal-5wv7dgnIgG8@public.gmane.org>,
	Sudeep Holla <Sudeep.Holla-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <Will.Deacon-5wv7dgnIgG8@public.gmane.org>,
	Catalin Marinas <Catalin.Marinas-5wv7dgnIgG8@public.gmane.org>
Subject: Re: [UPDATED] [PATCH 3/5] arm-cci: Get rid of secure transactions for PMU driver
Date: Thu, 19 Mar 2015 17:32:52 +0000	[thread overview]
Message-ID: <20150319173252.GC10153@leverpostej> (raw)
In-Reply-To: <1426585901-19137-1-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>

One more thing:

> @@ -883,7 +894,11 @@ static inline const struct cci_pmu_model *get_cci_model(struct platform_device *
>  							pdev->dev.of_node);
>  	if (!match)
>  		return NULL;
> +	if (match->data)
> +		return match->data;
>  
> +	dev_warn(&pdev->dev, "DEPRECATED compatible property,"
> +			 "requires secure access to CCI registers");
>  	return probe_cci_model(pdev);
>  }

Before the probe, could we please have:

	if (!IS_ENABLED(CONFIG_ARM))
		return -EINVAL;

On arm64 we require a model-specific string, and we shouldn't go
touching secure-only registers.

Mark.

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  parent reply	other threads:[~2015-03-19 17:32 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-10 15:18 [PATCHv3 0/5] arm-cci400: PMU monitoring support on ARM64 Suzuki K. Poulose
2015-03-10 15:18 ` [PATCH 1/5] arm-cci: Rearrange code for splitting PMU vs driver code Suzuki K. Poulose
     [not found] ` <1426000735-14375-1-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
2015-03-10 15:18   ` [PATCH 2/5] arm-cci: Abstract the CCI400 PMU speicific definitions Suzuki K. Poulose
     [not found]     ` <1426000735-14375-3-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
2015-03-17 18:49       ` Will Deacon
2015-03-10 16:09   ` [PATCHv3 0/5] arm-cci400: PMU monitoring support on ARM64 Nicolas Pitre
2015-03-10 16:11     ` Suzuki K. Poulose
2015-03-11 11:40   ` Punit Agrawal
2015-03-10 15:18 ` [PATCH 3/5] arm-cci: Get rid of secure transactions for PMU driver Suzuki K. Poulose
2015-03-17  9:51   ` [UPDATED] " Suzuki K. Poulose
2015-03-19 17:25     ` Mark Rutland
     [not found]     ` <1426585901-19137-1-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
2015-03-19 17:32       ` Mark Rutland [this message]
2015-03-19 17:38         ` Sudeep Holla
2015-03-19 17:52           ` Suzuki K. Poulose
     [not found]             ` <550B0CF6.8070205-5wv7dgnIgG8@public.gmane.org>
2015-03-19 17:54               ` Mark Rutland
2015-03-10 15:18 ` [PATCH 4/5] arm-cci: Split the code for PMU vs driver support Suzuki K. Poulose
     [not found]   ` <1426000735-14375-5-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
2015-03-10 16:24     ` Sudeep Holla
2015-03-10 15:18 ` [PATCH 5/5] arm-cci: Fix CCI PMU event validation Suzuki K. Poulose
     [not found]   ` <1426000735-14375-6-git-send-email-suzuki.poulose-5wv7dgnIgG8@public.gmane.org>
2015-03-17 18:52     ` Will Deacon
2015-03-10 16:21 ` [PATCHv3 0/5] arm-cci400: PMU monitoring support on ARM64 Sudeep Holla
2015-03-10 16:24   ` Suzuki K. Poulose
2015-03-17 18:54 ` Will Deacon
2015-03-18 10:09   ` Suzuki K. Poulose

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