linux-kernel - Re: [PATCH] PCI: qcom-ep: Constify static dw_pcie_ep

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Date:   Sat, 4 Dec 2021 23:28:36 +0100
From:   Krzysztof Wilczyński <kw@...ux.com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>
Cc:     Manivannan Sadhasivam <mani@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: qcom-ep: Constify static dw_pcie_ep_ops

Hi Rikard,

> The only usage of pci_ep_ops is to assign its address to the ops field
> in the dw_pcie_ep struct which is a pointer to const struct dw_pcie_ep_ops.
> Make it const to allow the compiler to put it in read-only memory.

[...]
> @@ -619,7 +619,7 @@ static void qcom_pcie_ep_init(struct dw_pcie_ep *ep)
>  		dw_pcie_ep_reset_bar(pci, bar);
>  }
>  
> -static struct dw_pcie_ep_ops pci_ep_ops = {
> +static const struct dw_pcie_ep_ops pci_ep_ops = {
>  	.ep_init = qcom_pcie_ep_init,
>  	.raise_irq = qcom_pcie_ep_raise_irq,
>  	.get_features = qcom_pcie_epc_get_features,

Looks good, thank you!

Reviewed-by: Krzysztof Wilczyński <kw@...ux.com>

	Krzysztof