From: Maxime Coquelin <maxime.coquelin@st.com>
To: Peter Griffin <peter.griffin@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com,
patrice.chotard@st.com, tj@kernel.org,
computersforpeace@gmail.com
Cc: lee.jones@linaro.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH v2] ata: ahci_st: fixup layering violations / drvdata errors
Date: Wed, 29 Apr 2015 16:30:51 +0200 [thread overview]
Message-ID: <5540EB1B.10505@st.com> (raw)
In-Reply-To: <1429537265-22367-2-git-send-email-peter.griffin@linaro.org>
Hi Peter,
On 04/20/2015 03:41 PM, Peter Griffin wrote:
> Brian noticed while working on another SATA driver that uses libahci_platform,
> an error in this driver; it tries to the the driver data for its
> device, while libata also thinks it can set the driver data. See:
>
> ahci_platform_init_host()
> -> ata_host_alloc_pinfo()
> -> ata_host_alloc()
> -> dev_set_drvdata()
>
> So instead of sticking the IP-specific platform data into drvdata, let's
> use the plat_data variable that is reserved for this use.
>
> Addtionally plat_data isn't set until ahci_platform_init_host() has been
> called further down in probe(). So re-work the st_ahci_probe_resets and
> st_ahci_deassert_resets functions to take ahci_host_priv *hpriv as a
> parameter.
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> Suggested-by: Brian Norris <computersforpeace@gmail.com>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
> Cc: Maxime Coquelin <maxime.coquelin@st.com>
> Cc: Patrice Chotard <patrice.chotard@st.com>
> ---
>
You can add my:
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Thanks!
Maxime
WARNING: multiple messages have this Message-ID (diff)
From: maxime.coquelin@st.com (Maxime Coquelin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] ata: ahci_st: fixup layering violations / drvdata errors
Date: Wed, 29 Apr 2015 16:30:51 +0200 [thread overview]
Message-ID: <5540EB1B.10505@st.com> (raw)
In-Reply-To: <1429537265-22367-2-git-send-email-peter.griffin@linaro.org>
Hi Peter,
On 04/20/2015 03:41 PM, Peter Griffin wrote:
> Brian noticed while working on another SATA driver that uses libahci_platform,
> an error in this driver; it tries to the the driver data for its
> device, while libata also thinks it can set the driver data. See:
>
> ahci_platform_init_host()
> -> ata_host_alloc_pinfo()
> -> ata_host_alloc()
> -> dev_set_drvdata()
>
> So instead of sticking the IP-specific platform data into drvdata, let's
> use the plat_data variable that is reserved for this use.
>
> Addtionally plat_data isn't set until ahci_platform_init_host() has been
> called further down in probe(). So re-work the st_ahci_probe_resets and
> st_ahci_deassert_resets functions to take ahci_host_priv *hpriv as a
> parameter.
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> Suggested-by: Brian Norris <computersforpeace@gmail.com>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
> Cc: Maxime Coquelin <maxime.coquelin@st.com>
> Cc: Patrice Chotard <patrice.chotard@st.com>
> ---
>
You can add my:
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Thanks!
Maxime
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Coquelin <maxime.coquelin@st.com>
To: Peter Griffin <peter.griffin@linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <srinivas.kandagatla@gmail.com>,
<patrice.chotard@st.com>, <tj@kernel.org>,
<computersforpeace@gmail.com>
Cc: <lee.jones@linaro.org>, <linux-ide@vger.kernel.org>
Subject: Re: [PATCH v2] ata: ahci_st: fixup layering violations / drvdata errors
Date: Wed, 29 Apr 2015 16:30:51 +0200 [thread overview]
Message-ID: <5540EB1B.10505@st.com> (raw)
In-Reply-To: <1429537265-22367-2-git-send-email-peter.griffin@linaro.org>
Hi Peter,
On 04/20/2015 03:41 PM, Peter Griffin wrote:
> Brian noticed while working on another SATA driver that uses libahci_platform,
> an error in this driver; it tries to the the driver data for its
> device, while libata also thinks it can set the driver data. See:
>
> ahci_platform_init_host()
> -> ata_host_alloc_pinfo()
> -> ata_host_alloc()
> -> dev_set_drvdata()
>
> So instead of sticking the IP-specific platform data into drvdata, let's
> use the plat_data variable that is reserved for this use.
>
> Addtionally plat_data isn't set until ahci_platform_init_host() has been
> called further down in probe(). So re-work the st_ahci_probe_resets and
> st_ahci_deassert_resets functions to take ahci_host_priv *hpriv as a
> parameter.
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> Suggested-by: Brian Norris <computersforpeace@gmail.com>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
> Cc: Maxime Coquelin <maxime.coquelin@st.com>
> Cc: Patrice Chotard <patrice.chotard@st.com>
> ---
>
You can add my:
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Thanks!
Maxime
next prev parent reply other threads:[~2015-04-29 14:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-20 13:41 [PATCH v2] ata: ahci_st: fixup layering violations / drvdata errors Peter Griffin
2015-04-20 13:41 ` Peter Griffin
2015-04-20 13:41 ` Peter Griffin
2015-04-20 13:41 ` Peter Griffin
2015-04-29 14:30 ` Maxime Coquelin [this message]
2015-04-29 14:30 ` Maxime Coquelin
2015-04-29 14:30 ` Maxime Coquelin
2015-04-23 1:18 ` Brian Norris
2015-04-23 1:18 ` Brian Norris
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