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From: Eric Anholt <eric@anholt.net>
To: Florian Fainelli <f.fainelli@gmail.com>, linux-kernel@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Matt Mackall <mpm@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	"maintainer\:BROADCOM BCM281XX\/BCM11XXX\/BCM216XX ARM
	ARCHITE..." <bcm-kernel-feedback-list@broadcom.com>,
	Stefan Wahren <stefan.wahren@i2se.com>,
	PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Harald Freudenberger <freude@linux.vnet.ibm.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Martin Kaiser <martin@kaiser.cx>,
	Steffen Trumtrar <s.trumtrar@pengutronix.de>,
	"open list\:HARDWARE RANDOM NUMBER GENERATOR CORE"
Subject: Re: [PATCH v2 02/12] hwrng: bcm2835-rng: Define a driver private context
Date: Wed, 08 Nov 2017 10:22:29 -0800	[thread overview]
Message-ID: <87po8sy6je.fsf@anholt.net> (raw)
In-Reply-To: <20171108004449.32730-3-f.fainelli@gmail.com>

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Florian Fainelli <f.fainelli@gmail.com> writes:

> Instead of making hwrng::priv host the base register address, define a
> driver private context, make it per platform device instance and pass it
> down the different functions.
>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/char/hw_random/bcm2835-rng.c | 55 ++++++++++++++++++++++--------------
>  1 file changed, 34 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
> index a818418a7e4c..0d72147ab45b 100644
> --- a/drivers/char/hw_random/bcm2835-rng.c
> +++ b/drivers/char/hw_random/bcm2835-rng.c

> -static struct hwrng bcm2835_rng_ops = {
> -	.name	= "bcm2835",
> -	.read	= bcm2835_rng_read,
> -};
> -

>  	/* map peripheral */
> -	rng_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(rng_base)) {
> +	priv->base = devm_ioremap_resource(dev, r);
> +	if (IS_ERR(priv->base)) {
>  		dev_err(dev, "failed to remap rng regs");
> -		return PTR_ERR(rng_base);
> +		return PTR_ERR(priv->base);
>  	}
> -	bcm2835_rng_ops.priv = (unsigned long)rng_base;
> +
> +	priv->rng.name = "bcm2835-rng";

Looks like an unintentional change from the previous "bcm2835" here?

Other than that, 1-2 are:

Reviewed-by: Eric Anholt <eric@anholt.net>

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WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric@anholt.net>
To: Florian Fainelli <f.fainelli@gmail.com>, linux-kernel@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Matt Mackall <mpm@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	"maintainer\:BROADCOM BCM281XX\/BCM11XXX\/BCM216XX ARM
	ARCHITE..."  <bcm-kernel-feedback-list@broadcom.com>,
	Stefan Wahren <stefan.wahren@i2se.com>,
	PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Harald Freudenberger <freude@linux.vnet.ibm.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Martin Kaiser <martin@kaiser.cx>,
	Steffen Trumtrar <s.trumtrar@pengutronix.de>,
	"open list\:HARDWARE RANDOM NUMBER GENERATOR CORE" 
	<linux-crypto@vger.kernel.org>,
	"open list\:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"moderated list\:BROADCOM BCM2835 ARM ARCHITECTURE" 
	<linux-rpi-kernel@lists.infradead.org>,
	"moderated list\:BRO ADCOM BCM2835 ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 02/12] hwrng: bcm2835-rng: Define a driver private context
Date: Wed, 08 Nov 2017 10:22:29 -0800	[thread overview]
Message-ID: <87po8sy6je.fsf@anholt.net> (raw)
In-Reply-To: <20171108004449.32730-3-f.fainelli@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1289 bytes --]

Florian Fainelli <f.fainelli@gmail.com> writes:

> Instead of making hwrng::priv host the base register address, define a
> driver private context, make it per platform device instance and pass it
> down the different functions.
>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/char/hw_random/bcm2835-rng.c | 55 ++++++++++++++++++++++--------------
>  1 file changed, 34 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
> index a818418a7e4c..0d72147ab45b 100644
> --- a/drivers/char/hw_random/bcm2835-rng.c
> +++ b/drivers/char/hw_random/bcm2835-rng.c

> -static struct hwrng bcm2835_rng_ops = {
> -	.name	= "bcm2835",
> -	.read	= bcm2835_rng_read,
> -};
> -

>  	/* map peripheral */
> -	rng_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(rng_base)) {
> +	priv->base = devm_ioremap_resource(dev, r);
> +	if (IS_ERR(priv->base)) {
>  		dev_err(dev, "failed to remap rng regs");
> -		return PTR_ERR(rng_base);
> +		return PTR_ERR(priv->base);
>  	}
> -	bcm2835_rng_ops.priv = (unsigned long)rng_base;
> +
> +	priv->rng.name = "bcm2835-rng";

Looks like an unintentional change from the previous "bcm2835" here?

Other than that, 1-2 are:

Reviewed-by: Eric Anholt <eric@anholt.net>

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WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric@anholt.net>
To: linux-kernel@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Matt Mackall <mpm@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	"maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..."
	<bcm-kernel-feedback-list@broadcom.com>,
	Stefan Wahren <stefan.wahren@i2se.com>,
	PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Harald Freudenberger <freude@linux.vnet.ibm.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Martin Kaiser <martin@kaiser.cx>,
	Steffen Trumtrar <s.trumtrar@pengutronix.de>,
	open list:HARDWARE RANDOM NUMBER GENERATOR CORE
Subject: Re: [PATCH v2 02/12] hwrng: bcm2835-rng: Define a driver private context
Date: Wed, 08 Nov 2017 10:22:29 -0800	[thread overview]
Message-ID: <87po8sy6je.fsf@anholt.net> (raw)
In-Reply-To: <20171108004449.32730-3-f.fainelli@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1289 bytes --]

Florian Fainelli <f.fainelli@gmail.com> writes:

> Instead of making hwrng::priv host the base register address, define a
> driver private context, make it per platform device instance and pass it
> down the different functions.
>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/char/hw_random/bcm2835-rng.c | 55 ++++++++++++++++++++++--------------
>  1 file changed, 34 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
> index a818418a7e4c..0d72147ab45b 100644
> --- a/drivers/char/hw_random/bcm2835-rng.c
> +++ b/drivers/char/hw_random/bcm2835-rng.c

> -static struct hwrng bcm2835_rng_ops = {
> -	.name	= "bcm2835",
> -	.read	= bcm2835_rng_read,
> -};
> -

>  	/* map peripheral */
> -	rng_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(rng_base)) {
> +	priv->base = devm_ioremap_resource(dev, r);
> +	if (IS_ERR(priv->base)) {
>  		dev_err(dev, "failed to remap rng regs");
> -		return PTR_ERR(rng_base);
> +		return PTR_ERR(priv->base);
>  	}
> -	bcm2835_rng_ops.priv = (unsigned long)rng_base;
> +
> +	priv->rng.name = "bcm2835-rng";

Looks like an unintentional change from the previous "bcm2835" here?

Other than that, 1-2 are:

Reviewed-by: Eric Anholt <eric@anholt.net>

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WARNING: multiple messages have this Message-ID (diff)
From: eric@anholt.net (Eric Anholt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 02/12] hwrng: bcm2835-rng: Define a driver private context
Date: Wed, 08 Nov 2017 10:22:29 -0800	[thread overview]
Message-ID: <87po8sy6je.fsf@anholt.net> (raw)
In-Reply-To: <20171108004449.32730-3-f.fainelli@gmail.com>

Florian Fainelli <f.fainelli@gmail.com> writes:

> Instead of making hwrng::priv host the base register address, define a
> driver private context, make it per platform device instance and pass it
> down the different functions.
>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/char/hw_random/bcm2835-rng.c | 55 ++++++++++++++++++++++--------------
>  1 file changed, 34 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
> index a818418a7e4c..0d72147ab45b 100644
> --- a/drivers/char/hw_random/bcm2835-rng.c
> +++ b/drivers/char/hw_random/bcm2835-rng.c

> -static struct hwrng bcm2835_rng_ops = {
> -	.name	= "bcm2835",
> -	.read	= bcm2835_rng_read,
> -};
> -

>  	/* map peripheral */
> -	rng_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(rng_base)) {
> +	priv->base = devm_ioremap_resource(dev, r);
> +	if (IS_ERR(priv->base)) {
>  		dev_err(dev, "failed to remap rng regs");
> -		return PTR_ERR(rng_base);
> +		return PTR_ERR(priv->base);
>  	}
> -	bcm2835_rng_ops.priv = (unsigned long)rng_base;
> +
> +	priv->rng.name = "bcm2835-rng";

Looks like an unintentional change from the previous "bcm2835" here?

Other than that, 1-2 are:

Reviewed-by: Eric Anholt <eric@anholt.net>
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  reply	other threads:[~2017-11-08 18:22 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-08  0:44 [PATCH v2 00/12] bcm63xx-rng conversion to bcm2835-rng Florian Fainelli
2017-11-08  0:44 ` Florian Fainelli
2017-11-08  0:44 ` Florian Fainelli
2017-11-08  0:44 ` Florian Fainelli
     [not found] ` <20171108004449.32730-1-f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-11-08  0:44   ` [PATCH v2 01/12] hwrng: bcm2835-rng: Obtain base register via resource Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-29  6:30     ` [v2,01/12] hwrng: bcm2835 - " Herbert Xu
2017-11-29  6:30       ` Herbert Xu
2017-11-29  6:30       ` Herbert Xu
2017-11-29  6:30       ` Herbert Xu
2017-11-29 17:38       ` Florian Fainelli
2017-11-29 17:38         ` Florian Fainelli
2017-11-29 17:38         ` Florian Fainelli
2017-11-29 17:38         ` Florian Fainelli
2017-11-30  7:14         ` Herbert Xu
2017-11-30  7:14           ` Herbert Xu
2017-11-30  7:14           ` Herbert Xu
2017-11-30  7:14           ` Herbert Xu
2017-11-08  0:44   ` [PATCH v2 06/12] hwrng: bcm2835-rng: Rework interrupt masking Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08 18:26     ` Eric Anholt
2017-11-08 18:26       ` Eric Anholt
2017-11-08 18:26       ` Eric Anholt
2017-11-08 18:26       ` Eric Anholt
2017-11-08 18:46     ` Stefan Wahren
2017-11-08 18:46       ` Stefan Wahren
2017-11-08 18:46       ` Stefan Wahren
     [not found]       ` <1086045224.63286.1510166797078-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2017-11-08 20:41         ` Eric Anholt
2017-11-08 20:41           ` Eric Anholt
2017-11-08 20:41           ` Eric Anholt
2017-11-08  0:44   ` [PATCH v2 08/12] hwrng: bcm2835-rng: Abstract I/O accessors Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
     [not found]     ` <20171108004449.32730-9-f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-11-08 18:33       ` Eric Anholt
2017-11-08 18:33         ` Eric Anholt
2017-11-08 18:33         ` Eric Anholt
2017-11-08 18:33         ` Eric Anholt
2017-11-13  4:54     ` [v2,08/12] " Philippe Mathieu-Daudé
2017-11-08  0:44   ` [PATCH v2 09/12] hwrng: bcm2835-rng: Add Broadcom MIPS " Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44   ` [PATCH v2 12/12] hwrng: bcm63xx-rng: Remove since bcm2835-rng takes over Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08  0:44     ` Florian Fainelli
2017-11-08 18:36     ` Eric Anholt
2017-11-08 18:36       ` Eric Anholt
2017-11-08 18:36       ` Eric Anholt
2017-11-08 18:36       ` Eric Anholt
2017-11-08  0:44 ` [PATCH v2 02/12] hwrng: bcm2835-rng: Define a driver private context Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08 18:22   ` Eric Anholt [this message]
2017-11-08 18:22     ` Eric Anholt
2017-11-08 18:22     ` Eric Anholt
2017-11-08 18:22     ` Eric Anholt
2017-11-08  0:44 ` [PATCH v2 03/12] hwrng: bcm2835-rng: Move enabling to hwrng::init Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44 ` [PATCH v2 04/12] hwrng: bcm2835-rng: Implementation cleanup callback Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44 ` [PATCH v2 05/12] hwrng: bcm2835-rng: Use device managed helpers Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08 18:24   ` Eric Anholt
2017-11-08 18:24     ` Eric Anholt
2017-11-08 18:24     ` Eric Anholt
2017-11-08 18:24     ` Eric Anholt
2017-11-08  0:44 ` [PATCH v2 07/12] hwrng: bcm2835-rng: Manage an optional clock Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08 18:31   ` Eric Anholt
2017-11-08 18:31     ` Eric Anholt
2017-11-08 18:31     ` Eric Anholt
2017-11-08 18:31     ` Eric Anholt
2017-11-08 19:19   ` Stefan Wahren
2017-11-08 19:19     ` Stefan Wahren
2017-11-08 19:19     ` Stefan Wahren
2017-11-08 19:23     ` Russell King - ARM Linux
2017-11-08 19:23       ` Russell King - ARM Linux
2017-11-08  0:44 ` [PATCH v2 10/12] dt-bindings: rng: Incorporate brcm,bcm6368.txt binding Florian Fainelli
2017-11-08  0:44   ` [PATCH v2 10/12] dt-bindings: rng: Incorporate brcm, bcm6368.txt binding Florian Fainelli
2017-11-08  0:44   ` [PATCH v2 10/12] dt-bindings: rng: Incorporate brcm,bcm6368.txt binding Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44 ` [PATCH v2 11/12] hwrng: bcm2835-rng: Enable BCM2835 RNG to work on BCM63xx platforms Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli
2017-11-08  0:44   ` Florian Fainelli

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