Hi Am 22.09.22 um 09:28 schrieb Maxime Ripard: > On Thu, Sep 22, 2022 at 08:42:23AM +0200, Thomas Zimmermann wrote: >> Hi >> >> Am 21.09.22 um 18:48 schrieb Geert Uytterhoeven: >>> Hi Thomas, >>> >>> On Wed, Sep 21, 2022 at 2:55 PM Thomas Zimmermann wrote: >>>> Am 05.08.22 um 02:19 schrieb Benjamin Herrenschmidt: >>>>> On Wed, 2022-07-20 at 16:27 +0200, Thomas Zimmermann wrote: >>>>>> +#if !defined(CONFIG_PPC) >>>>>> +static inline void out_8(void __iomem *addr, int val) >>>>>> +{ } >>>>>> +static inline void out_le32(void __iomem *addr, int val) >>>>>> +{ } >>>>>> +static inline unsigned int in_le32(const void __iomem *addr) >>>>>> +{ >>>>>> + return 0; >>>>>> +} >>>>>> +#endif >>>>> >>>>> These guys could just be replaced with readb/writel/readl respectively >>>>> (beware of the argument swap). >>>> >>>> I only added them for COMPILE_TEST. There appears to be no portable >>>> interface that implements out_le32() and in_le32()? >>> >>> iowrite32() and ioread32()? >> >> Do they always use little endian, as these *_le32 helpers do? I though they >> use host byte order. > > They use either outl or writel under the hood, which are always little-endian I see. I'll replace the custom helpers. Best regards Thomas > > Maxime -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev