linux-kernel - Re: [PATCH v4 2/2] phy: add a driver for the Rockchip SoC internal PCIe PHY

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Date:   Fri, 19 Aug 2016 19:05:43 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Shawn Lin <shawn.lin@...k-chips.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-rockchip@...ts.infradead.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Doug Anderson <dianders@...omium.org>,
        Brian Norris <briannorris@...omium.org>,
        Wenrui Li <wenrui.li@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 2/2] phy: add a driver for the Rockchip SoC internal
 PCIe PHY

Hi,

On Friday 29 July 2016 06:52 AM, Shawn Lin wrote:
> This patch to add a generic PHY driver for rockchip PCIe PHY.
> Access the PHY via registers provided by GRF (general register
> files) module.
> 
> Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
> 
> ---
> 
> Changes in v4:
> - remove laneoff symbol as we still fail to get a workable solution
>   except for exporting symbol. But I will be back with some other possible
>   routine once finished.
> 
> Changes in v3: None
> Changes in v2: None
> 
>  drivers/phy/Kconfig             |   7 +
>  drivers/phy/Makefile            |   1 +
>  drivers/phy/phy-rockchip-pcie.c | 357 ++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 365 insertions(+)
>  create mode 100644 drivers/phy/phy-rockchip-pcie.c
> 
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 02afc624..824b568 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -371,6 +371,13 @@ config PHY_ROCKCHIP_DP
>  	help
>  	  Enable this to support the Rockchip Display Port PHY.
>  
> +config PHY_ROCKCHIP_PCIE
> +	tristate "Rockchip PCIe PHY Driver"
> +	depends on ARCH_ROCKCHIP && OF

add COMPILE_TEST here. I'm planning to fix this for other drivers as well in
drivers/phy.
> +	select GENERIC_PHY

select MFD_SYSCON as well.

Thanks
Kishon