linux-kernel - RE: [PATCH v5 1/4] PCI: layerscape: Add function pointer for exit_from

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Message-ID: <AM0PR04MB595614CA6B295B42D4FDE7BE8B81A@AM0PR04MB5956.eurprd04.prod.outlook.com>
Date:   Fri, 1 Dec 2023 16:55:46 +0000
From:   Roy Zang <roy.zang@....com>
To:     Frank Li <frank.li@....com>,
        "manivannan.sadhasivam@...aro.org" <manivannan.sadhasivam@...aro.org>
CC:     "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "imx@...ts.linux.dev" <imx@...ts.linux.dev>,
        "kw@...ux.com" <kw@...ux.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "lpieralisi@...nel.org" <lpieralisi@...nel.org>,
        "M.H. Lian" <minghuan.lian@....com>,
        Mingkai Hu <mingkai.hu@....com>,
        "robh@...nel.org" <robh@...nel.org>
Subject: RE: [PATCH v5 1/4] PCI: layerscape: Add function pointer for
 exit_from_l2()

> From: Frank Li <frank.li@....com>
> Subject: [PATCH v5 1/4] PCI: layerscape: Add function pointer for exit_from_l2()
> 
> Since difference SoCs require different sequence for exiting L2, let's add a
> separate "exit_from_l2()" callback. This callback can be used to execute SoC
> specific sequence.
> 
> Change ls_pcie_exit_from_l2() return value from void to int. Return error if
> exit_from_l2() failure at exit resume flow.
> 
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: Frank Li <Frank.Li@....com>
Acked-by:  Roy Zang <Roy.Zang@....com>
Roy