Re: [PATCH v2 1/6] i2c: designware: use generic table matching

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On 31/07/2018 17:23:04+0300, Andy Shevchenko wrote:
> On Tue, 2018-07-31 at 17:02 +0300, Andy Shevchenko wrote:
> > On Tue, 2018-07-31 at 15:47 +0200, Alexandre Belloni wrote:
> > > Switch to device_get_match_data in probe to match the device
> > > specific
> > > data
> > > instead of using the acpi specific function.
> > > 
> > 
> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> 
> Oops. See below.
> 
> > > -	id = acpi_match_device(pdev->dev.driver->acpi_match_table,
> > > &pdev->dev);
> > > -	if (id && id->driver_data)
> > > -		dev->flags |= (u32)id->driver_data;
> 
> It seems you forgot to remove unused variable.
> 
> > > -
> > >  	if (acpi_bus_get_device(handle, &adev))
> > >  		return -ENODEV;
> > >  
> > > @@ -269,6 +265,8 @@ static int dw_i2c_plat_probe(struct
> > > platform_device *pdev)
> > >  	else
> > >  		i2c_parse_fw_timings(&pdev->dev, t, false);
> > >  
> > > +	dev->flags |= (u32)device_get_match_data(&pdev->dev);
> > > +
> 
> And since it would be changed anyway, can you actually move this line
> closet to  if (has_acpi_companion()) one ?
> 

I need that value to be set before calling of_configure though.

> > >  	acpi_speed = i2c_acpi_find_bus_speed(&pdev->dev);
> > >  	/*
> > >  	 * Some DSTDs use a non standard speed, round down to the
> > > lowest
> > 
> > 
> 
> -- 
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Intel Finland Oy

-- 
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com



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