Re: [PATCH 02/11] PCI: tegra194: Check core reset deassertion

[Andy Shevchenko]

On Wed, Sep 23, 2026 at 12:52:28PM +0530, Manikanta Maddireddy wrote:
> Several paths access DBI registers after deasserting the controller core
> reset. If reset_control_deassert() fails, those DBI accesses can trigger a
> CBB timeout, or setup can return success with the core still in reset.
> 
> Check core reset deassertion in Root Port setup, the DLF retry path and the
> Endpoint PERST# deassert path. Unwind before DBI access when deassertion
> fails.

...

> +		ret = reset_control_deassert(pcie->core_rst);
> +		if (ret) {
> +			dev_err(pci->dev, "Failed to deassert core reset: %d\n",
> +				ret);

We have pci_err().

> +			return ret;
> +		}

-- 
With Best Regards,
Andy Shevchenko