Re: [PATCH v23 13/16] PCI: dwc: rcar-gen4: Add R-Car Gen4 PCIe controller support for host mode

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On Tue, Sep 26, 2023 at 09:24:28PM +0900, Yoshihiro Shimoda wrote:
> Add R-Car Gen4 PCIe controller support for host mode.
> 
> This controller is based on Synopsys DesignWare PCIe. However, this
> particular controller has a number of vendor-specific registers, and as
> such, requires initialization code like mode setting and retraining and
> so on.
> 
> [kwilczynski: commit log]
> Link: https://lore.kernel.org/linux-pci/20230825093219.2685912-17-yoshihiro.shimoda.uh@xxxxxxxxxxx
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Signed-off-by: Krzysztof Wilczyński <kwilczynski@xxxxxxxxxx>

You should never include a signed-off-by from the person you're
sending the patch *to*; this "Signed-off-by: Krzysztof Wilczyński
<kwilczynski@xxxxxxxxxx>" should be added by Krzysztof when he applies
it.

Whoever applies this, please s/PCI: dwc:/PCI:/ in this subject and the
"Add endpoint mode support" patch.  No need to include *both* "dwc:"
and "rcar-gen4".

> +config PCIE_RCAR_GEN4_HOST
> +	tristate "Renesas R-Car Gen4 PCIe controller (host mode)"
> +	depends on ARCH_RENESAS || COMPILE_TEST
> +	depends on PCI_MSI
> +	select PCIE_DW_HOST
> +	select PCIE_RCAR_GEN4
> +	help
> +	  Say Y here if you want PCIe controller (host mode) on R-Car Gen4 SoCs.
> +	  To compile this driver as a module, choose M here: the module will be
> +	  called pcie-rcar-gen4.ko. This uses the DesignWare core.

This should be sorted so the menuconfig prompts are in alpha order.

> + * Manually initiate the speed change. Return true if the change succeeded,
> + * false if the change didn't finish within certain periods.

"Return 0 if change succeeded; otherwise -ETIMEDOUT".

No need to repost unless somebody suggests more significant rework;
these can be tweaked when merging.

Thanks a lot for squashing into a single file; that's a major
simplification.

Bjorn



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