RE: [RESEND v2 4/5] PCI: imx6: Fix the clock reference handling unbalance when link never came up

From: Richard Zhu
Date: Fri Oct 22 2021 - 04:02:30 EST


<snipped ...>
> >
> > > > -static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie) -{
> > > > - clk_disable_unprepare(imx6_pcie->pcie);
> > > > - clk_disable_unprepare(imx6_pcie->pcie_phy);
> > > > - clk_disable_unprepare(imx6_pcie->pcie_bus);
> > > > -
> > > > - switch (imx6_pcie->drvdata->variant) {
> > > > - case IMX6SX:
> > > > - clk_disable_unprepare(imx6_pcie->pcie_inbound_axi);
> > > > - break;
> > > > - case IMX7D:
> > > > - regmap_update_bits(imx6_pcie->iomuxc_gpr,
> IOMUXC_GPR12,
> > > > - IMX7D_GPR12_PCIE_PHY_REFCLK_SEL,
> > > > - IMX7D_GPR12_PCIE_PHY_REFCLK_SEL);
> > > > - break;
> > > > - case IMX8MQ:
> > > > - clk_disable_unprepare(imx6_pcie->pcie_aux);
> > > > - break;
> > > > - default:
> > > > - break;
> >
> > While you're at it, this "default: break;" thing is pointless.
> > Normally it's better to just *move* something without changing it at
> > all, but this is such a simple thing I think you could drop this at
> > the same time as the move.
> >
> [Richard Zhu] Okay, got that. Would remove the "default:break" later. Thanks.
[Richard Zhu] I figure out that the default:break is required by IMX6Q/IMX6QP.
So I just don't drop them in v3 patch-set.

>
> Best Regards
> Richard Zhu
>
> > > > - }
> > > > -}