linux-kernel - Re: [RESEND PATCH v5 10/16] ARM: dts: zynq: Add generic compatible string for I2C EEPROM

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Message-ID: <CABxcv=n4pCJLPb_C6eYVJ3CLBVH7T0amiJj7mYbshpv4u8xkXA@mail.gmail.com>
Date:   Wed, 23 Aug 2017 16:28:20 +0200
From:   Javier Martinez Canillas <javier@...hile0.org>
To:     Michal Simek <michal.simek@...inx.com>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Rob Herring <robh@...nel.org>,
        Sören Brinkmann <soren.brinkmann@...inx.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RESEND PATCH v5 10/16] ARM: dts: zynq: Add generic compatible
 string for I2C EEPROM

Hello Michal,

On Wed, Jun 21, 2017 at 1:43 PM, Michal Simek <michal.simek@...inx.com> wrote:
> On 15.6.2017 20:54, Javier Martinez Canillas wrote:
>> The at24 driver allows to register I2C EEPROM chips using different vendor
>> and devices, but the I2C subsystem does not take the vendor into account
>> when matching using the I2C table since it only has device entries.
>>
>> But when matching using an OF table, both the vendor and device has to be
>> taken into account so the driver defines only a set of compatible strings
>> using the "atmel" vendor as a generic fallback for compatible I2C devices.
>>
>> So add this generic fallback to the device node compatible string to make
>> the device to match the driver using the OF device ID table.
>>
>> Signed-off-by: Javier Martinez Canillas <javier@...hile0.org>
>>

[snip]

>> --- a/arch/arm/boot/dts/zynq-zc706.dts
>> +++ b/arch/arm/boot/dts/zynq-zc706.dts
>> @@ -92,7 +92,7 @@
>>                       #size-cells = <0>;
>>                       reg = <2>;
>>                       eeprom@54 {
>> -                             compatible = "at,24c08";
>> +                             compatible = "atmel,24c08";
>>                               reg = <0x54>;
>>                       };
>>               };
>>
>
> Acked-by: Michal Simek <michal.simek@...inx.com>
>

Same question than for the other patch, could you please also apply this?

Sorry for not being clear in the cover letter that the patches could
be applied independently.

Best regards,
Javier