[PATCH v6 06/10] PCI: imx6: Improve comment for workaround ERR010728

Manivannan Sadhasivam manivannan.sadhasivam at linaro.org
Sun Jun 30 09:13:25 PDT 2024


On Mon, Jun 17, 2024 at 04:16:42PM -0400, Frank Li wrote:
> Improve comment about workaround ERR010727 by using official errata
> document content.
> 

It is useful to provide a link to the errata document in the commit message.

> Signed-off-by: Frank Li <Frank.Li at nxp.com>
> ---
>  drivers/pci/controller/dwc/pci-imx6.c | 22 +++++++++++++++++++---
>  1 file changed, 19 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 6f68bee111029..6e3ac3fc33745 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -715,9 +715,25 @@ static int imx7d_pcie_core_reset(struct imx_pcie *imx_pcie, bool assert)
>  		return 0;
>  
>  	/*
> -	 * Workaround for ERR010728, failure of PCI-e PLL VCO to
> -	 * oscillate, especially when cold. This turns off "Duty-cycle
> -	 * Corrector" and other mysterious undocumented things.
> +	 * Workaround for ERR010728 (IMX7DS_2N09P, Rev. 1.1, 4/2023):
> +	 *
> +	 * PCIe: PLL may fail to lock under corner conditions Initial VCO

Missing full stop after 'conditions'?

- Mani

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