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DM6PR12MB4010.namprd12.prod.outlook.com (10.255.175.83) by DM6PR12MB3449.namprd12.prod.outlook.com (20.178.198.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2263.21; Tue, 17 Sep 2019 08:36:51 +0000 Received: from DM6PR12MB4010.namprd12.prod.outlook.com ([fe80::dd4:2e5:e564:8684]) by DM6PR12MB4010.namprd12.prod.outlook.com ([fe80::dd4:2e5:e564:8684%5]) with mapi id 15.20.2263.023; Tue, 17 Sep 2019 08:36:51 +0000 From: Gustavo Pimentel To: Denis Efremov , Bjorn Helgaas CC: "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , Andrew Murray , Kishon Vijay Abraham I , "Lorenzo Pieralisi" , Gustavo Pimentel Subject: RE: [PATCH v3 03/26] PCI: dwc: Use PCI_STD_NUM_BARS Thread-Topic: [PATCH v3 03/26] PCI: dwc: Use PCI_STD_NUM_BARS Thread-Index: AQHVbM+dP1tVJVvtT0GBDBmZ0Xql2KcvjGtw Date: Tue, 17 Sep 2019 08:36:51 +0000 Message-ID: References: <20190916204158.6889-1-efremov@linux.com> <20190916204158.6889-4-efremov@linux.com> 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Hk987qDFqiKID5Kk1xgbgahvpCfcpVTvVErWlVBOPp9htirnGSnxtEK3ew2/ZdQWQZfDFV94NyJb0IH59ZuPmuT/41720SnYX/OLovHsPdguzruuHwzNotdCYj8IigSS6IBmWHUmx7fJvgqrXu4UYEViP3WTJqK+lwdTOV32EpyCkJMQ9wdITguk8SYepl4KpWgTo/1k91uwKZS1Sh1VssYYquwmaNIH5s3onP/T+et9ydVR2HhZcdUqIR17ckhw39ZOWRA4q3lMCJcIlniReWqYdEzBayhPh4seM/N5bIuaVRV9Wh0cm+0Bo3IABiIaeC+AVLZs5d1MtWfTNAwVVGLON2truo73a41TanqK/HPT/bqZ70Kp1xOhwtqFcmVMQSJiKAXUwiqXcG5btnH5w8Eo0nmIS/58FXmKIgomVNs= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 831237ca-feb6-406d-e18b-08d73b4a2fea X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Sep 2019 08:36:51.2246 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: c33c9f88-1eb7-4099-9700-16013fd9e8aa X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fGtHyU18LHP+Ieu6KWjKDnRYL7a4UI6JP/itkJf29ArliZbZORisB0tsYH1G16cZXdSMt0i8Yh4l1rfgldVE9g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB3449 X-OriginatorOrg: synopsys.com Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, Sep 16, 2019 at 21:41:35, Denis Efremov =20 wrote: > To iterate through all possible BARs, loop conditions refactored to the > *number* of BARs "i < PCI_STD_NUM_BARS", instead of the index of the last > valid BAR "i <=3D BAR_5". This is more idiomatic C style and allows to av= oid > the fencepost error. Array definitions changed to PCI_STD_NUM_BARS where > appropriate. >=20 > Cc: Kishon Vijay Abraham I > Cc: Lorenzo Pieralisi > Cc: Gustavo Pimentel > Signed-off-by: Denis Efremov > --- > drivers/pci/controller/dwc/pci-dra7xx.c | 2 +- > drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 +- > drivers/pci/controller/dwc/pcie-artpec6.c | 2 +- > drivers/pci/controller/dwc/pcie-designware-plat.c | 2 +- > drivers/pci/controller/dwc/pcie-designware.h | 2 +- > 5 files changed, 5 insertions(+), 5 deletions(-) >=20 > diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/contro= ller/dwc/pci-dra7xx.c > index 4234ddb4722f..b20651cea09f 100644 > --- a/drivers/pci/controller/dwc/pci-dra7xx.c > +++ b/drivers/pci/controller/dwc/pci-dra7xx.c > @@ -353,7 +353,7 @@ static void dra7xx_pcie_ep_init(struct dw_pcie_ep *ep= ) > struct dra7xx_pcie *dra7xx =3D to_dra7xx_pcie(pci); > enum pci_barno bar; > =20 > - for (bar =3D BAR_0; bar <=3D BAR_5; bar++) > + for (bar =3D 0; bar < PCI_STD_NUM_BARS; bar++) > dw_pcie_ep_reset_bar(pci, bar); > =20 > dra7xx_pcie_enable_wrapper_interrupts(dra7xx); > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci= /controller/dwc/pci-layerscape-ep.c > index be61d96cc95e..c84218d8ffd3 100644 > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c > @@ -57,7 +57,7 @@ static void ls_pcie_ep_init(struct dw_pcie_ep *ep) > struct dw_pcie *pci =3D to_dw_pcie_from_ep(ep); > enum pci_barno bar; > =20 > - for (bar =3D BAR_0; bar <=3D BAR_5; bar++) > + for (bar =3D 0; bar < PCI_STD_NUM_BARS; bar++) > dw_pcie_ep_reset_bar(pci, bar); > } > =20 > diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/cont= roller/dwc/pcie-artpec6.c > index d00252bd8fae..9e2482bd7b6d 100644 > --- a/drivers/pci/controller/dwc/pcie-artpec6.c > +++ b/drivers/pci/controller/dwc/pcie-artpec6.c > @@ -422,7 +422,7 @@ static void artpec6_pcie_ep_init(struct dw_pcie_ep *e= p) > artpec6_pcie_wait_for_phy(artpec6_pcie); > artpec6_pcie_set_nfts(artpec6_pcie); > =20 > - for (bar =3D BAR_0; bar <=3D BAR_5; bar++) > + for (bar =3D 0; bar < PCI_STD_NUM_BARS; bar++) > dw_pcie_ep_reset_bar(pci, bar); > } > =20 > diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/= pci/controller/dwc/pcie-designware-plat.c > index b58fdcbc664b..73646b677aff 100644 > --- a/drivers/pci/controller/dwc/pcie-designware-plat.c > +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c > @@ -70,7 +70,7 @@ static void dw_plat_pcie_ep_init(struct dw_pcie_ep *ep) > struct dw_pcie *pci =3D to_dw_pcie_from_ep(ep); > enum pci_barno bar; > =20 > - for (bar =3D BAR_0; bar <=3D BAR_5; bar++) > + for (bar =3D 0; bar < PCI_STD_NUM_BARS; bar++) > dw_pcie_ep_reset_bar(pci, bar); > } > =20 > diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/c= ontroller/dwc/pcie-designware.h > index ffed084a0b4f..7e0526bd71ad 100644 > --- a/drivers/pci/controller/dwc/pcie-designware.h > +++ b/drivers/pci/controller/dwc/pcie-designware.h > @@ -205,7 +205,7 @@ struct dw_pcie_ep { > phys_addr_t phys_base; > size_t addr_size; > size_t page_size; > - u8 bar_to_atu[6]; > + u8 bar_to_atu[PCI_STD_NUM_BARS]; > phys_addr_t *outbound_addr; > unsigned long *ib_window_map; > unsigned long *ob_window_map; > --=20 > 2.21.0 Acked-by: Gustavo Pimentel