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Mon, 17 Oct 2022 08:03:11 -0500 From: Sai Krishna Potthuri To: Linus Walleij , Michal Simek , Rob Herring , "Krzysztof Kozlowski" CC: , , , , , , Sai Krishna Potthuri , Subject: [PATCH v2 1/2] Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance" Date: Mon, 17 Oct 2022 18:33:02 +0530 Message-ID: <20221017130303.21746-2-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221017130303.21746-1-sai.krishna.potthuri@amd.com> References: <20221017130303.21746-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT094:EE_|SN7PR12MB7153:EE_ X-MS-Office365-Filtering-Correlation-Id: edfa12a1-3a2b-4616-f670-08dab03ff65b 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(396003)(376002)(136003)(39860400002)(346002)(451199015)(40470700004)(46966006)(36840700001)(186003)(426003)(47076005)(36860700001)(336012)(1076003)(2616005)(2906002)(82310400005)(54906003)(5660300002)(316002)(86362001)(26005)(41300700001)(82740400003)(6666004)(70206006)(8676002)(70586007)(83380400001)(40460700003)(4326008)(40480700001)(356005)(81166007)(8936002)(110136005)(103116003)(478600001)(36756003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2022 13:03:18.7278 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: edfa12a1-3a2b-4616-f670-08dab03ff65b X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT094.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7153 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221017_060324_109919_A4179E47 X-CRM114-Status: GOOD ( 11.22 ) 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 This reverts commit ad2bea79ef0144043721d4893eef719c907e2e63. On systems with older PMUFW (Xilinx ZynqMP Platform Management Firmware) using these pinctrl properties can cause system hang because there is missing feature autodetection. When this feature is implemented in the PMUFW, support for these two properties should bring back. Cc: stable@vger.kernel.org Signed-off-by: Sai Krishna Potthuri --- drivers/pinctrl/pinctrl-zynqmp.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index 7d2fbf8a02cd..c98f35ad8921 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -412,10 +412,6 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: - param = PM_PINCTRL_CONFIG_TRI_STATE; - arg = PM_PINCTRL_TRI_STATE_ENABLE; - ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); - break; case PIN_CONFIG_MODE_LOW_POWER: /* * These cases are mentioned in dts but configurable @@ -424,11 +420,6 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, */ ret = 0; break; - case PIN_CONFIG_OUTPUT_ENABLE: - param = PM_PINCTRL_CONFIG_TRI_STATE; - arg = PM_PINCTRL_TRI_STATE_DISABLE; - ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); - break; default: dev_warn(pctldev->dev, "unsupported configuration parameter '%u'\n", From patchwork Mon Oct 17 13:03:03 2022 Content-Type: text/plain; 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Mon, 17 Oct 2022 08:03:15 -0500 From: Sai Krishna Potthuri To: Linus Walleij , Michal Simek , Rob Herring , "Krzysztof Kozlowski" CC: , , , , , , Sai Krishna Potthuri , Subject: [PATCH v2 2/2] Revert "dt-bindings: pinctrl-zynqmp: Add output-enable configuration" Date: Mon, 17 Oct 2022 18:33:03 +0530 Message-ID: <20221017130303.21746-3-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221017130303.21746-1-sai.krishna.potthuri@amd.com> References: <20221017130303.21746-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT055:EE_|SN7PR12MB7022:EE_ X-MS-Office365-Filtering-Correlation-Id: d51f0c87-5e3f-4c10-4fb4-08dab03ff6ce 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(396003)(39860400002)(136003)(376002)(346002)(451199015)(40470700004)(46966006)(36840700001)(82310400005)(40460700003)(478600001)(5660300002)(8936002)(8676002)(41300700001)(70206006)(70586007)(54906003)(110136005)(4326008)(40480700001)(316002)(36860700001)(103116003)(2906002)(83380400001)(86362001)(356005)(47076005)(426003)(36756003)(82740400003)(81166007)(26005)(1076003)(336012)(2616005)(186003)(6666004)(36900700001);DIR:OUT;SFP:1101; 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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 This reverts commit 133ad0d9af99bdca90705dadd8d31c20bfc9919f. On systems with older PMUFW (Xilinx ZynqMP Platform Management Firmware) using these pinctrl properties can cause system hang because there is missing feature autodetection. When this feature is implemented, support for these two properties should bring back. Cc: stable@vger.kernel.org Signed-off-by: Sai Krishna Potthuri --- .../devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml | 4 ---- 1 file changed, 4 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml index 1e2b9b627b12..2722dc7bb03d 100644 --- a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml @@ -274,10 +274,6 @@ patternProperties: slew-rate: enum: [0, 1] - output-enable: - description: - This will internally disable the tri-state for MIO pins. - drive-strength: description: Selects the drive strength for MIO pins, in mA.