From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EDDBAC3064D for ; Thu, 27 Jun 2024 06:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CDeQAHjPnSZDFxM1A+XKpZEzpro177UTYpTI4ucX8qE=; b=PUP9AVuVPME2ubuwF7mhRgcpN7 rkR6uCLCpuerPgQ7BhUdNWjDKW2wfQAar3zPLBHNGz9s6XfNVXrAC+oM3Mp9MSeyNJvbyFckxcduI u+oMGQkMh9z8WX7ojA2ptbqKCml82oBidAuKwbv8bsFHWItIk+zdvgm76v934JRKBruNllI6PZpkh vor7UlJDAUCyUAvg9wMmErqqJ0A4esN2n+GCx4tcwghzo0V+Iv1ElCnRTHr51F2epl0a4fdsxs7n1 ahQnbDVB4/+lmAK9XsOFrdxHvfvXiF3fdYLuQ/YAFHAHogcyG0B5I8Uu7HMZRqlUxSxhRT3f5e1PI mLiSXX8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sMixq-00000009Qzr-3fet; Thu, 27 Jun 2024 06:50:38 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sMixj-00000009Qy7-0f9Z; Thu, 27 Jun 2024 06:50:32 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 0DFD66009F; Thu, 27 Jun 2024 06:50:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41918C2BBFC; Thu, 27 Jun 2024 06:50:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719471028; bh=Ibr63yKjW5xKaI/BECgFSLEZizZa+Q7V/5SONc3pJTU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cNvqXL4v7P7AHvvv0si7ebvFbzb3MGRBFPPfAjXS7B1wr2J+vbO1WZS8a6e/a+uoU ytrK4yk0LL/M7llObVa+dxKrkSDhcEQMxtn42rVbwqMTTBO1q0jm7sJvrb8wvhiouQ 2aiTWv4pMBxnN9zzK9iqiHJroAdWdVaB7GqI+l9SSAPAHZz6VjOgzvzoZRFXdnORvK XB7vRLQcD2Jw9xcZyztcPT5RJHfAZz5v1el/RHaxmOQISqPAzHrxiN7tQOohp6NtRc ku+v010EnJybwRPiHDU/BnlSLJIZ5upDiKpskMEsf0npUd5LnaPpCUkRdPeK9a4mpQ WDdH3JsIl0Yog== Date: Thu, 27 Jun 2024 08:50:25 +0200 From: Lorenzo Bianconi To: AngeloGioacchino Del Regno Cc: linux-pci@vger.kernel.org, ryder.lee@mediatek.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, linux-mediatek@lists.infradead.org, lorenzo.bianconi83@gmail.com, linux-arm-kernel@lists.infradead.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org, nbd@nbd.name, dd@embedd.com, upstream@airoha.com Subject: Re: [PATCH 2/4] PCI: mediatek-gen3: Add mtk_pcie_soc data structure Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="D0ojh7sfDISA5znA" Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240626_235031_452776_5EFA9CF2 X-CRM114-Status: GOOD ( 21.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --D0ojh7sfDISA5znA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > Il 21/06/24 16:48, Lorenzo Bianconi ha scritto: > > Introduce mtk_pcie_soc data structure in order to define multiple > > callbacks for each supported SoC. This is a preliminary patch to > > introduce EN7581 pcie support. > >=20 > > Tested-by: Zhengping Zhang > > Signed-off-by: Lorenzo Bianconi > > --- > > drivers/pci/controller/pcie-mediatek-gen3.c | 24 ++++++++++++++++++--- > > 1 file changed, 21 insertions(+), 3 deletions(-) > >=20 > > diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/= controller/pcie-mediatek-gen3.c > > index 975b3024fb08..4859bd875bc4 100644 > > --- a/drivers/pci/controller/pcie-mediatek-gen3.c > > +++ b/drivers/pci/controller/pcie-mediatek-gen3.c > > @@ -100,6 +100,16 @@ > > #define PCIE_ATR_TLP_TYPE_MEM PCIE_ATR_TLP_TYPE(0) > > #define PCIE_ATR_TLP_TYPE_IO PCIE_ATR_TLP_TYPE(2) > > +struct mtk_gen3_pcie; > > + > > +/** > > + * struct mtk_pcie_soc - differentiate between host generations >=20 > mtk_gen3_pcie_pdata ? ack, I will fix it in v2. >=20 > > + * @power_up: pcie power_up callback > > + */ > > +struct mtk_pcie_soc { > > + int (*power_up)(struct mtk_gen3_pcie *pcie); > > +}; > > + > > /** > > * struct mtk_msi_set - MSI information for each set > > * @base: IO mapped register base > > @@ -131,6 +141,7 @@ struct mtk_msi_set { > > * @msi_sets: MSI sets information > > * @lock: lock protecting IRQ bit map > > * @msi_irq_in_use: bit map for assigned MSI IRQ > > + * @soc: pointer to SoC-dependent operations > > */ > > struct mtk_gen3_pcie { > > struct device *dev; > > @@ -151,6 +162,8 @@ struct mtk_gen3_pcie { > > struct mtk_msi_set msi_sets[PCIE_MSI_SET_NUM]; > > struct mutex lock; > > DECLARE_BITMAP(msi_irq_in_use, PCIE_MSI_IRQS_NUM); > > + > > + const struct mtk_pcie_soc *soc; > > }; > > /* LTSSM state in PCIE_LTSSM_STATUS_REG bit[28:24] */ > > @@ -904,7 +917,7 @@ static int mtk_pcie_setup(struct mtk_gen3_pcie *pci= e) > > usleep_range(10, 20); > > /* Don't touch the hardware registers before power up */ > > - err =3D mtk_pcie_power_up(pcie); > > + err =3D pcie->soc->power_up(pcie); > > if (err) > > return err; > > @@ -939,6 +952,7 @@ static int mtk_pcie_probe(struct platform_device *p= dev) > > pcie =3D pci_host_bridge_priv(host); > > pcie->dev =3D dev; > > + pcie->soc =3D of_device_get_match_data(dev); >=20 > device_get_match_data() can also be used here :-) ack, I will fix it in v2. Regards, Lorenzo >=20 > Cheers, > Angelo >=20 --D0ojh7sfDISA5znA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCZn0LsAAKCRA6cBh0uS2t rDqZAP9E+w0Rw2ZY2kG1NLWByHxMpjaweBhTMxAc2wIOcJkdYgD+LK8bI4DKDAeb rCKBejLnONweNsqr8pSXAl3mCPZVygk= =pZN7 -----END PGP SIGNATURE----- --D0ojh7sfDISA5znA--