Re: [PATCH v2 3/3] PCI: imx: Initial imx7d pm support

From: Fabio Estevam
Date: Fri Jul 20 2018 - 09:38:22 EST


Hi Leonard,

On Fri, Jul 20, 2018 at 9:47 AM, Leonard Crestez
<leonard.crestez@xxxxxxx> wrote:

> +static int imx6_pcie_resume_noirq(struct device *dev)
> +{
> + int ret = 0;

There is no need for initializing 'ret' here.

> + struct imx6_pcie *imx6_pcie = dev_get_drvdata(dev);
> + struct pcie_port *pp = &imx6_pcie->pci->pp;
> +
> + if (imx6_pcie->variant != IMX7D)
> + return 0;
> +
> + imx6_pcie_assert_core_reset(imx6_pcie);
> + imx6_pcie_init_phy(imx6_pcie);
> + imx6_pcie_deassert_core_reset(imx6_pcie);
> + dw_pcie_setup_rc(pp);
> +
> + ret = imx6_pcie_establish_link(imx6_pcie);
> + if (ret < 0)
> + pr_err("pcie link is down after resume.\n");

Shouldn't the error be propagated?

Also, dev_err() is preferred instead of pr_err().