On 1/14/25 20:03, Krzysztof Kozlowski wrote:
> On 09/01/2025 10:03, Ivaylo Ivanov wrote:
>> +static void exynos_usi_unconfigure(void *data)
>> +{
>> + struct exynos_usi *usi = data;
>> + u32 val;
>> +
>> + /* Make sure that we've stopped providing the clock to USI IP */
>> + val = readl(usi->regs + USI_OPTION);
>> + val &= ~USI_OPTION_CLKREQ_ON;
>> + val |= ~USI_OPTION_CLKSTOP_ON;
>> + writel(val, usi->regs + USI_OPTION);
>> +
>> + /* Set USI block state to reset */
>> + val = readl(usi->regs + USI_CON);
>> + val |= USI_CON_RESET;
>> + writel(val, usi->regs + USI_CON);
> Also shouldn't you enable clocks for accessing these? They are being
> disabled at the end of exynos_usi_enable().
Hm, perhaps. But I find that weird, since I haven't seen it in the downstream
driver implementation.
Best regards,
Ivaylo
>
> Best regards,
> Krzysztof
