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Re: [PATCH v2 3/3] rtc: stm32: add stm32mp1 rtc support




On 09/05/2018 17:46:10+0200, Amelie Delaunay wrote:
>  struct stm32_rtc_registers {
> @@ -86,6 +98,9 @@ struct stm32_rtc_registers {
>  	u8 prer;
>  	u8 alrmar;
>  	u8 wpr;
> +	u8 sr;
> +	u8 scr;
> +	u16 verr;

All those offsets should probably be u16 or u32...

> +	if (regs.verr != UNDEF_REG) {

...else, this is not working, as reported by kbuild

> +		u32 ver = readl_relaxed(rtc->base + regs.verr);
> +
> +		dev_info(&pdev->dev, "registered rev:%d.%d\n",
> +			 (ver >> STM32_RTC_VERR_MAJREV_SHIFT) & 0xF,
> +			 (ver >> STM32_RTC_VERR_MINREV_SHIFT) & 0xF);
> +	}
> +

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