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Fri, 30 Apr 2021 08:04:12 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av25.portsmouth.uk.ibm.com (Postfix) with SMTP; Fri, 30 Apr 2021 08:04:12 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.40.192]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 3EC16220193; Fri, 30 Apr 2021 10:04:12 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 01/31] powerpc/pseries/pci: Introduce __find_pe_total_msi() Date: Fri, 30 Apr 2021 10:03:37 +0200 Message-Id: <20210430080407.4030767-2-clg@kaod.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210430080407.4030767-1-clg@kaod.org> References: <20210430080407.4030767-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: PKIORNlrVAHwhWsoufk8Fmbh_UouCXK- X-Proofpoint-GUID: PKIORNlrVAHwhWsoufk8Fmbh_UouCXK- X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-30_05:2021-04-28, 2021-04-30 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 bulkscore=0 spamscore=0 malwarescore=0 clxscore=1034 suspectscore=0 adultscore=0 priorityscore=1501 mlxlogscore=682 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104300056 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" It will help to size the PCI MSI domain. Signed-off-by: C=C3=A9dric Le Goater --- arch/powerpc/platforms/pseries/msi.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platform= s/pseries/msi.c index 637300330507..d2d090e04745 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -164,12 +164,12 @@ static int check_req_msix(struct pci_dev *pdev, int= nvec) =20 /* Quota calculation */ =20 -static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *t= otal) +static struct device_node *__find_pe_total_msi(struct device_node *node,= int *total) { struct device_node *dn; const __be32 *p; =20 - dn =3D of_node_get(pci_device_to_OF_node(dev)); + dn =3D of_node_get(node); while (dn) { p =3D of_get_property(dn, "ibm,pe-total-#msi", NULL); if (p) { @@ -185,6 +185,11 @@ static struct device_node *find_pe_total_msi(struct = pci_dev *dev, int *total) return NULL; } =20 +static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *t= otal) +{ + return __find_pe_total_msi(pci_device_to_OF_node(dev), total); +} + static struct device_node *find_pe_dn(struct pci_dev *dev, int *total) { struct device_node *dn; --=20 2.26.3