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Wed, 8 Dec 2021 17:36:53 +0000 Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::fc67:d895:7965:663f]) by MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::fc67:d895:7965:663f%2]) with mapi id 15.20.4755.022; Wed, 8 Dec 2021 17:36:53 +0000 From: Christophe Leroy To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: [PATCH] powerpc/powermac: Add additional missing lockdep_register_key() Thread-Topic: [PATCH] powerpc/powermac: Add additional missing lockdep_register_key() Thread-Index: AQHX7Fow0VFka0nYfkWuyKwlY1DdIg== Date: Wed, 8 Dec 2021 17:36:52 +0000 Message-ID: <2c7e421874e21b2fb87813d768cf662f630c2ad4.1638984999.git.christophe.leroy@csgroup.eu> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=csgroup.eu; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2bf15e22-9bbb-4335-620a-08d9ba7152ad x-ms-traffictypediagnostic: MR2P264MB0419:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:123; 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There are two other places in the same file with the same problem originating from commit 9e607f72748d ("i2c_powermac: shut up lockdep warning"). Add missing lockdep_register_key() Reported-by: Erhard Furtner Link: https://bugzilla.kernel.org/show_bug.cgi?id=200055 Fixes: 9e607f72748d ("i2c_powermac: shut up lockdep warning") Depends-on: df1f679d19ed ("powerpc/powermac: Add missing lockdep_register_key()") Signed-off-by: Christophe Leroy --- arch/powerpc/platforms/powermac/low_i2c.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index de34fa34c42d..df89d916236d 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -811,6 +811,7 @@ static void __init pmu_i2c_probe(void) bus->hostdata = bus + 1; bus->xfer = pmu_i2c_xfer; mutex_init(&bus->mutex); + lockdep_register_key(&bus->lock_key); lockdep_set_class(&bus->mutex, &bus->lock_key); bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -934,6 +935,7 @@ static void __init smu_i2c_probe(void) bus->hostdata = bus + 1; bus->xfer = smu_i2c_xfer; mutex_init(&bus->mutex); + lockdep_register_key(&bus->lock_key); lockdep_set_class(&bus->mutex, &bus->lock_key); bus->flags = 0; list_add(&bus->link, &pmac_i2c_busses);