On 4/12/22 09:23, Geert Uytterhoeven wrote: > Hi Javier, > > Thanks for your patch! > > On Mon, Apr 11, 2022 at 11:12 PM Javier Martinez Canillas > <javierm@xxxxxxxxxx> wrote: >> These are declared in the ssd130x-i2c transport driver but the information >> is not I2C specific, and could be used by other SSD130x transport drivers. >> >> Move them to the ssd130x core driver and just set the OF device entries to >> an ID that could be used to lookup the correct device info from an array. >> >> While being there, also move the SSD130X_DATA and SSD130X_COMMAND control >> bytes. Since even though are used by the I2C interface, it could also be > > though they are ... they could > Right, will fix it. >> useful for other transport protocols such as SPI. >> >> Suggested-by: Chen-Yu Tsai <wens@xxxxxxxxxx> >> Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> > >> --- a/drivers/gpu/drm/solomon/ssd130x.c >> +++ b/drivers/gpu/drm/solomon/ssd130x.c > >> @@ -860,7 +890,14 @@ struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap) >> >> ssd130x->dev = dev; >> ssd130x->regmap = regmap; >> - ssd130x->device_info = device_get_match_data(dev); >> + >> + variant = (enum ssd130x_variants)device_get_match_data(dev); > > (uintptr_t), to avoid a cast from pointer to integer of different > size warning. > Indeed. The kernel test robot reported the same. >> + > > Please drop the blank line. > Ok. >> + if (variant >= NR_SSD130X_VARIANTS) >> + return ERR_PTR(dev_err_probe(dev, -EINVAL, >> + "Invalid SSD130x variant\n")); >> + >> + ssd130x->device_info = &ssd130x_variants[variant]; >> >> if (ssd130x->device_info->page_mode_only) >> ssd130x->page_address_mode = 1; > > With the above fixed: > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Thanks! -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat