Hi,

>-----Original Message-----
>From: Sergei Shtylyov [mailto:[email protected]]
>Sent: Wednesday, February 16, 2011 5:07 PM
>To: Hema Kalliguddi
>Cc: Sergei Shtylyov; [email protected];
>[email protected]; Felipe Balbi; Tony Lindgren
>Subject: Re: [4/7 v2] usb: otg: OMAP4430: Add phy_suspend
>function pointer to
>
>Hello.
>
>On 16-02-2011 8:14, Hema Kalliguddi wrote:
>
>>>> From: Kalliguddi, Hema<[email protected]>
>
>>>> Introduce the .phy_suspend function pointer to
>>> twl4030_usb_data structure.
>>>> assign the function to it for both sdp board and panda boards.
>>>> This will be used by the twl6030-usb transceiver driver.
>
>>>> Signed-off-by: Hema HK<[email protected]>
>>>> Cc: Felipe Balbi<[email protected]>
>>>> Cc: Tony Lindgren<[email protected]>
>
>>> [...]
>
>>>> Index: linux-2.6/arch/arm/mach-omap2/board-4430sdp.c
>>>> ===================================================================
>>>> --- linux-2.6.orig/arch/arm/mach-omap2/board-4430sdp.c
>>>> +++ linux-2.6/arch/arm/mach-omap2/board-4430sdp.c
>>>> @@ -272,6 +272,7 @@ static struct twl4030_usb_data omap4_usb
>>>>            .phy_exit       = omap4430_phy_exit,
>>>>            .phy_power      = omap4430_phy_power,
>>>>            .phy_set_clock  = omap4430_phy_set_clk,
>>>> +  .phy_suspend    = omap4430_phy_suspend,
>>>>    };
>>>>
>>>>    static struct omap2_hsmmc_info mmc[] = {
>>>> Index: linux-2.6/arch/arm/mach-omap2/board-omap4panda.c
>>>> ===================================================================
>>>> --- linux-2.6.orig/arch/arm/mach-omap2/board-omap4panda.c
>>>> +++ linux-2.6/arch/arm/mach-omap2/board-omap4panda.c
>>>> @@ -153,6 +153,7 @@ static struct twl4030_usb_data omap4_usb
>>>>            .phy_exit       = omap4430_phy_exit,
>>>>            .phy_power      = omap4430_phy_power,
>>>>            .phy_set_clock  = omap4430_phy_set_clk,
>>>> +  .phy_suspend    = omap4430_phy_suspend,
>>>>    };
>>>>
>>>>    static struct omap2_hsmmc_info mmc[] = {
>>>> Index: linux-2.6/arch/arm/plat-omap/include/plat/usb.h
>>>> ===================================================================
>>>> --- linux-2.6.orig/arch/arm/plat-omap/include/plat/usb.h
>>>> +++ linux-2.6/arch/arm/plat-omap/include/plat/usb.h
>>>> @@ -88,6 +88,7 @@ extern int omap4430_phy_power(struct dev
>>>>    extern int omap4430_phy_set_clk(struct device *dev, int on);
>>>>    extern int omap4430_phy_init(struct device *dev);
>>>>    extern int omap4430_phy_exit(struct device *dev);
>>>> +extern int omap4430_phy_suspend(struct device *dev, int suspend);
>
>>>     I think this *extern* declaration should be a part of the
>>> previous patch.
>
>> What is the problem if extern when using?
>
>    I think 'extern' declaration should be in the same place
>where this
>function is defined, else you're just defining an unused
>function. Same goes
>for the 'phy_suspend' initializers...
>
>>>>    #endif
>>>>
>>>> Index: linux-2.6/include/linux/i2c/twl.h
>>>> ===================================================================
>>>> --- linux-2.6.orig/include/linux/i2c/twl.h
>>>> +++ linux-2.6/include/linux/i2c/twl.h
>>>> @@ -600,6 +600,8 @@ struct twl4030_usb_data {
>>>>            int             (*phy_power)(struct device
>*dev, int iD, int on);
>>>>            /* enable/disable  phy clocks */
>>>>            int             (*phy_set_clock)(struct device
>*dev, int on);
>>>> +  /* suspend/resume of phy */
>>>> +  int             (*phy_suspend)(struct device *dev, int suspend);
>>>>    };
>
>>>     I'd make the above the only change in this patch, and add
>>> all the other
>>> changes into the previous patch (which then I'd change places
>>> with that one).
>
>> No. if I do that git bisect fails.
>
>    How in the world it will fail?
>
>> Initializer does not make any sense without function
>poointer declaration.
>
>    I said "which then I'd changed places with that one", i.e.
>put this patch
>first and the previous patch second. Otherwise, you're just
>doing things
>beckwards: first you define the method implementation, and
>then you declare
>the method itself... it should be vice versa.
>

I understand that. I will change it and send the patches.

Regards,
Hema

>> Regards,
>> Hema
>
>WBR, Sergei
>
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