Re: [PATCH v3 4/4] media: qcom: camss: Report hardware version via media controller
Bryan O'Donoghue <[email protected]>
| Newsgroups | org.kernel.vger.linux-media,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On 30/07/2026 10:24, Loic Poulain wrote:
> +static int camss_read_version(struct camss *camss)
> +{
> + u32 hw_version;
> + int ret;
> +
> + if (!camss->top_base || !camss->res->pm_clks[0])
> + return 0;
> +
> + ret = pm_runtime_resume_and_get(camss->dev);
> + if (ret < 0)
> + return ret;
> +
> + hw_version = readl_relaxed(camss->top_base + CAMSS_HW_VERSION);
I'm virtually sure this fails on !PM_CLK
---
bod