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Sat, 22 Jan 2022 03:32:55 -0800 From: Akhil R To: , , , , , , , , , , , , , , , CC: Subject: [PATCH v4 0/3] Enable named interrupt smbus-alert for ACPI Date: Sat, 22 Jan 2022 17:02:43 +0530 Message-ID: <1642851166-27096-1-git-send-email-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6d390b81-0054-47ab-f264-08d9dd9af2aa X-MS-TrafficTypeDiagnostic: CH2PR12MB3830:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(4636009)(36840700001)(40470700004)(46966006)(8936002)(7416002)(40460700003)(316002)(5660300002)(86362001)(336012)(186003)(8676002)(82310400004)(83380400001)(47076005)(6666004)(7696005)(426003)(81166007)(508600001)(36860700001)(2906002)(15650500001)(356005)(2616005)(107886003)(110136005)(921005)(4326008)(70206006)(70586007)(36756003)(26005)(83996005)(2101003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jan 2022 11:33:01.4221 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6d390b81-0054-47ab-f264-08d9dd9af2aa X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT009.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB3830 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org I2C - SMBus core drivers use named interrupts to support smbus_alert. As named interrupts are not available for ACPI based systems, it was required to change the i2c bus controller driver if to use smbus alert. These patches provide option for named interrupts in ACPI and make the implementation similar to DT. This will enable use of interrupt named 'smbus-alert' in ACPI as well which will be taken during i2c adapter register. v3->v4: * Removed device_irq_get_byname() * Updates in comments and document. v2->v3: * Grammar/spelling corrections. * Added description in function comments. * Removed 'unlikely' from NULL check on 'name' v1->v2: * Added firmware guide documentation for ACPI named interrupts * Updates in function description comments Akhil R (3): device property: Add fwnode_irq_get_byname docs: firmware-guide: ACPI: Add named interrupt doc i2c: smbus: Use device_*() functions instead of of_*() Documentation/firmware-guide/acpi/enumeration.rst | 39 +++++++++++++++++++++++ drivers/base/property.c | 29 +++++++++++++++++ drivers/i2c/i2c-core-base.c | 2 +- drivers/i2c/i2c-core-smbus.c | 10 +++--- drivers/i2c/i2c-smbus.c | 3 +- include/linux/i2c-smbus.h | 6 ++-- include/linux/property.h | 1 + 7 files changed, 80 insertions(+), 10 deletions(-) -- 2.7.4