From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: srinivas kandagatla <srinivas.kandagatla@st.com>,
Chen-Yu Tsai <wens@csie.org>
Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
Rob Herring <rob.herring@calxeda.com>,
linux-sunxi@googlegroups.com,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 04/10] net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's
Date: Mon, 09 Dec 2013 17:44:48 +0400 [thread overview]
Message-ID: <52A5C950.7070903@cogentembedded.com> (raw)
In-Reply-To: <52A5A7B2.4000509@st.com>
Hello.
On 09-12-2013 15:21, srinivas kandagatla wrote:
>> +static int sun7i_gmac_init(struct platform_device *pdev)
>> +{
>> + struct resource *res;
>> + struct device *dev = &pdev->dev;
>> + void __iomem *addr = NULL;
>> + struct plat_stmmacenet_data *plat_dat = NULL;
No need to initialize it since you're assigning to it right below.
>> + u32 priv_clk_reg;
>> +
>> + plat_dat = dev_get_platdata(&pdev->dev);
>> + if (!plat_dat)
>> + return -EINVAL;
> dev_get_platdata will return NULL for DT, So this function will fail all
> the time.
Indeed, unless the probe() method assigns it from the 'data' field of
'struct of_device_id'.
> How is it supposed to work?
> Am I missing some thing?
Look at stmmac_pltfr_probe().
> --srini
WBR, Sergei
WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
To: srinivas kandagatla
<srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Giuseppe Cavallaro <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 04/10] net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's
Date: Mon, 09 Dec 2013 17:44:48 +0400 [thread overview]
Message-ID: <52A5C950.7070903@cogentembedded.com> (raw)
In-Reply-To: <52A5A7B2.4000509-qxv4g6HH51o@public.gmane.org>
Hello.
On 09-12-2013 15:21, srinivas kandagatla wrote:
>> +static int sun7i_gmac_init(struct platform_device *pdev)
>> +{
>> + struct resource *res;
>> + struct device *dev = &pdev->dev;
>> + void __iomem *addr = NULL;
>> + struct plat_stmmacenet_data *plat_dat = NULL;
No need to initialize it since you're assigning to it right below.
>> + u32 priv_clk_reg;
>> +
>> + plat_dat = dev_get_platdata(&pdev->dev);
>> + if (!plat_dat)
>> + return -EINVAL;
> dev_get_platdata will return NULL for DT, So this function will fail all
> the time.
Indeed, unless the probe() method assigns it from the 'data' field of
'struct of_device_id'.
> How is it supposed to work?
> Am I missing some thing?
Look at stmmac_pltfr_probe().
> --srini
WBR, Sergei
WARNING: multiple messages have this Message-ID (diff)
From: sergei.shtylyov@cogentembedded.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/10] net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's
Date: Mon, 09 Dec 2013 17:44:48 +0400 [thread overview]
Message-ID: <52A5C950.7070903@cogentembedded.com> (raw)
In-Reply-To: <52A5A7B2.4000509@st.com>
Hello.
On 09-12-2013 15:21, srinivas kandagatla wrote:
>> +static int sun7i_gmac_init(struct platform_device *pdev)
>> +{
>> + struct resource *res;
>> + struct device *dev = &pdev->dev;
>> + void __iomem *addr = NULL;
>> + struct plat_stmmacenet_data *plat_dat = NULL;
No need to initialize it since you're assigning to it right below.
>> + u32 priv_clk_reg;
>> +
>> + plat_dat = dev_get_platdata(&pdev->dev);
>> + if (!plat_dat)
>> + return -EINVAL;
> dev_get_platdata will return NULL for DT, So this function will fail all
> the time.
Indeed, unless the probe() method assigns it from the 'data' field of
'struct of_device_id'.
> How is it supposed to work?
> Am I missing some thing?
Look at stmmac_pltfr_probe().
> --srini
WBR, Sergei
next prev parent reply other threads:[~2013-12-09 13:44 UTC|newest]
Thread overview: 189+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-06 17:29 [PATCH 00/10] net: stmmac: Add sun7i GMAC glue layer Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 01/10] net: stmmac: Enable stmmac main clock when probing hardware Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-07 10:33 ` Maxime Ripard
2013-12-07 10:33 ` Maxime Ripard
2013-12-07 10:33 ` Maxime Ripard
2013-12-09 2:43 ` Chen-Yu Tsai
2013-12-09 2:43 ` Chen-Yu Tsai
2013-12-09 2:43 ` Chen-Yu Tsai
2013-12-09 10:09 ` [linux-sunxi] " Hans de Goede
2013-12-09 10:09 ` Hans de Goede
2013-12-09 10:09 ` Hans de Goede
2013-12-10 20:05 ` Maxime Ripard
2013-12-10 20:05 ` Maxime Ripard
2013-12-10 20:05 ` Maxime Ripard
2013-12-12 4:31 ` Chen-Yu Tsai
2013-12-12 4:31 ` Chen-Yu Tsai
2013-12-12 4:31 ` Chen-Yu Tsai
2013-12-09 7:14 ` Giuseppe CAVALLARO
2013-12-09 7:14 ` Giuseppe CAVALLARO
2013-12-09 7:14 ` Giuseppe CAVALLARO
2013-12-09 7:26 ` Chen-Yu Tsai
2013-12-09 7:26 ` Chen-Yu Tsai
2013-12-09 7:26 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 02/10] net: stmmac: Honor DT parameter to force DMA store and forward mode Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 21:26 ` David Miller
2013-12-06 21:26 ` David Miller
[not found] ` <20131206.162606.2277176361893801778.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2013-12-07 1:19 ` Chen-Yu Tsai
2013-12-07 1:23 ` Chen-Yu Tsai
2013-12-07 1:23 ` Chen-Yu Tsai
2013-12-07 1:23 ` Chen-Yu Tsai
2013-12-07 10:07 ` maxime.ripard
2013-12-07 10:07 ` maxime.ripard
2013-12-07 10:07 ` maxime.ripard
2013-12-07 11:06 ` Tomasz Figa
2013-12-07 11:06 ` Tomasz Figa
2013-12-07 11:06 ` Tomasz Figa
2013-12-09 2:59 ` [linux-sunxi] " Chen-Yu Tsai
2013-12-09 2:59 ` Chen-Yu Tsai
2013-12-09 2:59 ` Chen-Yu Tsai
2013-12-10 20:10 ` [linux-sunxi] " maxime.ripard
2013-12-10 20:10 ` maxime.ripard
2013-12-10 20:10 ` maxime.ripard
2013-12-06 17:29 ` [PATCH 03/10] net: stmmac: Use platform data tied with compatible strings Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 21:26 ` David Miller
2013-12-06 21:26 ` David Miller
2013-12-07 2:13 ` Chen-Yu Tsai
2013-12-07 2:13 ` Chen-Yu Tsai
2013-12-07 2:13 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 04/10] net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-07 10:27 ` Maxime Ripard
2013-12-07 10:27 ` Maxime Ripard
2013-12-07 10:27 ` Maxime Ripard
2013-12-07 11:12 ` Tomasz Figa
2013-12-07 11:12 ` Tomasz Figa
2013-12-07 11:12 ` Tomasz Figa
2013-12-07 11:46 ` Maxime Ripard
2013-12-07 11:46 ` Maxime Ripard
2013-12-07 11:46 ` Maxime Ripard
2013-12-07 12:50 ` Tomasz Figa
2013-12-07 12:50 ` Tomasz Figa
2013-12-07 12:50 ` Tomasz Figa
2013-12-07 13:34 ` [linux-sunxi] " Emilio López
2013-12-07 13:34 ` Emilio López
2013-12-07 13:34 ` Emilio López
2013-12-09 11:10 ` srinivas kandagatla
2013-12-09 11:10 ` srinivas kandagatla
2013-12-09 11:10 ` srinivas kandagatla
2013-12-09 16:16 ` [linux-sunxi] " Hans de Goede
2013-12-09 16:16 ` Hans de Goede
2013-12-09 16:16 ` Hans de Goede
2013-12-09 17:56 ` [linux-sunxi] " Chen-Yu Tsai
2013-12-09 17:56 ` Chen-Yu Tsai
2013-12-09 17:56 ` Chen-Yu Tsai
2013-12-09 19:04 ` [linux-sunxi] " Hans de Goede
2013-12-09 19:04 ` Hans de Goede
2013-12-09 19:04 ` Hans de Goede
2013-12-10 20:14 ` [linux-sunxi] " Maxime Ripard
2013-12-10 20:14 ` Maxime Ripard
2013-12-10 20:14 ` Maxime Ripard
2013-12-09 17:34 ` Chen-Yu Tsai
2013-12-09 17:34 ` Chen-Yu Tsai
2013-12-09 17:34 ` Chen-Yu Tsai
2013-12-10 14:59 ` srinivas kandagatla
2013-12-10 14:59 ` srinivas kandagatla
2013-12-10 14:59 ` srinivas kandagatla
2013-12-10 20:23 ` Maxime Ripard
2013-12-10 20:23 ` Maxime Ripard
2013-12-10 20:23 ` Maxime Ripard
2013-12-11 12:17 ` Chen-Yu Tsai
2013-12-11 12:17 ` Chen-Yu Tsai
2013-12-11 12:17 ` Chen-Yu Tsai
2013-12-11 14:45 ` srinivas kandagatla
2013-12-11 14:45 ` srinivas kandagatla
2013-12-11 14:45 ` srinivas kandagatla
2013-12-12 7:27 ` Chen-Yu Tsai
2013-12-12 7:27 ` Chen-Yu Tsai
2013-12-12 7:27 ` Chen-Yu Tsai
2013-12-12 9:04 ` Maxime Ripard
2013-12-12 9:04 ` Maxime Ripard
2013-12-12 9:04 ` Maxime Ripard
2013-12-12 10:31 ` Chen-Yu Tsai
2013-12-12 10:31 ` Chen-Yu Tsai
2013-12-12 10:31 ` Chen-Yu Tsai
2013-12-13 10:38 ` Maxime Ripard
2013-12-13 10:38 ` Maxime Ripard
2013-12-13 10:38 ` Maxime Ripard
2013-12-24 3:27 ` [linux-sunxi] " Chen-Yu Tsai
2013-12-24 3:27 ` Chen-Yu Tsai
2013-12-24 3:27 ` Chen-Yu Tsai
2014-01-02 13:11 ` [linux-sunxi] " srinivas kandagatla
2014-01-02 13:11 ` srinivas kandagatla
2014-01-02 13:11 ` srinivas kandagatla
2014-01-07 10:24 ` [linux-sunxi] " Chen-Yu Tsai
2014-01-07 10:24 ` Chen-Yu Tsai
2014-01-07 10:24 ` Chen-Yu Tsai
2013-12-09 11:21 ` srinivas kandagatla
2013-12-09 11:21 ` srinivas kandagatla
2013-12-09 11:21 ` srinivas kandagatla
2013-12-09 13:44 ` Sergei Shtylyov [this message]
2013-12-09 13:44 ` Sergei Shtylyov
2013-12-09 13:44 ` Sergei Shtylyov
2013-12-09 15:45 ` [linux-sunxi] " Chen-Yu Tsai
2013-12-09 15:45 ` Chen-Yu Tsai
2013-12-09 15:45 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 05/10] ARM: dts: sun7i: Add GMAC controller node to sun7i DTSI Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 06/10] ARM: dts: sun7i: Add pin muxing options for the GMAC Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 07/10] ARM: dts: sun7i: cubietruck: Enable " Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 21:09 ` Florian Fainelli
2013-12-06 21:09 ` Florian Fainelli
2013-12-06 21:09 ` Florian Fainelli
2013-12-07 1:35 ` Chen-Yu Tsai
2013-12-07 1:35 ` Chen-Yu Tsai
2013-12-07 1:35 ` Chen-Yu Tsai
2013-12-07 1:57 ` Florian Fainelli
2013-12-07 1:57 ` Florian Fainelli
2013-12-07 1:57 ` Florian Fainelli
2013-12-09 2:55 ` Chen-Yu Tsai
2013-12-09 2:55 ` Chen-Yu Tsai
2013-12-09 2:55 ` Chen-Yu Tsai
2013-12-09 17:48 ` Florian Fainelli
2013-12-09 17:48 ` Florian Fainelli
2013-12-09 17:48 ` Florian Fainelli
2013-12-10 4:11 ` Chen-Yu Tsai
2013-12-10 4:11 ` Chen-Yu Tsai
2013-12-10 4:11 ` Chen-Yu Tsai
2013-12-10 17:23 ` Florian Fainelli
2013-12-10 17:23 ` Florian Fainelli
2013-12-10 17:23 ` Florian Fainelli
2013-12-13 10:21 ` Giuseppe CAVALLARO
2013-12-13 10:21 ` Giuseppe CAVALLARO
2013-12-13 10:21 ` Giuseppe CAVALLARO
2013-12-13 10:21 ` Giuseppe CAVALLARO
2013-12-06 17:29 ` [PATCH 08/10] ARM: dts: sun7i: cubieboard2: Enable GMAC instead of EMAC Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 21:10 ` Florian Fainelli
2013-12-06 21:10 ` Florian Fainelli
2013-12-06 21:10 ` Florian Fainelli
2013-12-06 17:29 ` [PATCH 09/10] ARM: dts: sun7i: olinuxino-micro: " Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` [PATCH 10/10] ARM: dts: sun7i: Add ethernet alias for GMAC Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-06 17:29 ` Chen-Yu Tsai
2013-12-07 10:15 ` Maxime Ripard
2013-12-07 10:15 ` Maxime Ripard
2013-12-07 10:15 ` Maxime Ripard
2013-12-07 16:20 ` Chen-Yu Tsai
2013-12-07 16:20 ` Chen-Yu Tsai
2013-12-07 16:20 ` Chen-Yu Tsai
2013-12-06 20:52 ` [linux-sunxi] [PATCH 00/10] net: stmmac: Add sun7i GMAC glue layer Michal Suchanek
2013-12-06 20:52 ` Michal Suchanek
2013-12-06 20:52 ` Michal Suchanek
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