[PATCH v2 2/2] net: flexcan: add transceiver switch gpios support

Hui Wang jason77.wang at gmail.com
Thu Jun 28 03:01:46 EDT 2012


Shawn Guo wrote:
> On Thu, Jun 28, 2012 at 02:14:39PM +0800, Hui Wang wrote:
>   
>>> diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
>>> index 8ff324e..e0dbac7 100644
>>> --- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
>>> +++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
>>> @@ -15,6 +15,8 @@ Required properties:
>>> Optional properties:
>>> - clock-frequency : The oscillator frequency driving the flexcan device
>>> +- phy-enable-gpios : Specify the gpio used to enable phy
>>> +- phy-standby-gpios : Specify the gpio used to put phy into STANDBY mode
>>> Example:
>>>       
>> Do we need to add new added entries in the example section as well.
>>
>> E.g.
>>
>> +        phy-enable-gpios = <&gpio1 4 0>; /* GPIO1_4, active high*/
>> +        phy-standby-gpios = <&gpio1 2 1>; /* GPIO1_2, active low */
>>
>>     
> I chose not to because after all these two are optional properties.
>
>   
OK.
>>> diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
>>> index 38c0690..1ce3f9e 100644
>>> --- a/drivers/net/can/flexcan.c
>>> +++ b/drivers/net/can/flexcan.c
>>> @@ -26,6 +26,7 @@
>>> #include <linux/can/platform/flexcan.h>
>>> #include <linux/clk.h>
>>> #include <linux/delay.h>
>>> +#include <linux/gpio.h>
>>>       
>> It seems <linux/of_gpio.h> already unconditionally includes this header.
>>     
>
> Documentation/SubmitChecklist
>
> 1: If you use a facility then #include the file that defines/declares
>    that facility.  Don't depend on other header files pulling in ones
>    that you use.
>
>   
Got it.

OK to me.

Regards,
Hui.




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