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Date: Fri, 22 Mar 2024 12:03:07 +0100
From: Niklas Cassel <cassel@kernel.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Subject: Re: [PATCH v10 7/8] PCI: dwc: ep: Call dw_pcie_ep_init_registers()
 API directly from all glue drivers
Message-ID: <Zf1la9ICDCHAyOit@ryzen>
References: <20240314-pci-dbi-rework-v10-0-14a45c5a938e@linaro.org>
 <20240314-pci-dbi-rework-v10-7-14a45c5a938e@linaro.org>
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In-Reply-To: <20240314-pci-dbi-rework-v10-7-14a45c5a938e@linaro.org>

On Thu, Mar 14, 2024 at 01:18:05PM +0530, Manivannan Sadhasivam wrote:
> Currently, dw_pcie_ep_init_registers() API is directly called by the glue
> drivers requiring active refclk from host. But for the other drivers, it is
> getting called implicitly by dw_pcie_ep_init(). This is due to the fact
> that this API initializes DWC EP specific registers and that requires an
> active refclk (either from host or generated locally by endpoint itsef).
> 
> But, this causes a discrepancy among the glue drivers. So to avoid this
> confusion, let's call this API directly from all glue drivers irrespective
> of refclk dependency. Only difference here is that the drivers requiring
> refclk from host will call this API only after the refclk is received and
> other drivers without refclk dependency will call this API right after
> dw_pcie_ep_init().
> 
> With this change, the check for 'core_init_notifier' flag can now be
> dropped from dw_pcie_ep_init() API. This will also allow us to remove the
> 'core_init_notifier' flag completely in the later commits.
> 
> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---

Reviewed-by: Niklas Cassel <cassel@kernel.org>