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Wed, 5 Jul 2023 08:30:29 -0500 From: Mario Limonciello To: Natikar Basavaraj , S-k Shyam-sundar , CC: , , , , , "Hans de Goede" , open list , "open list" , Mario Limonciello Subject: [PATCH v2 2/4] pinctrl: amd: Use amd_pinconf_set() for all config options Date: Wed, 5 Jul 2023 08:30:03 -0500 Message-ID: <20230705133005.577-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230705133005.577-1-mario.limonciello@amd.com> References: <20230705133005.577-1-mario.limonciello@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT008:EE_|DS0PR12MB6656:EE_ X-MS-Office365-Filtering-Correlation-Id: ddaa4341-0c21-41cf-a729-08db7d5c00a8 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:(13230028)(4636009)(396003)(346002)(136003)(39860400002)(376002)(451199021)(36840700001)(46966006)(40470700004)(478600001)(6666004)(7696005)(70206006)(110136005)(54906003)(70586007)(186003)(1076003)(26005)(16526019)(336012)(966005)(2906002)(82310400005)(41300700001)(4326008)(316002)(44832011)(5660300002)(8936002)(8676002)(81166007)(356005)(40460700003)(82740400003)(86362001)(36756003)(47076005)(36860700001)(83380400001)(2616005)(426003)(40480700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2023 13:30:30.3824 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ddaa4341-0c21-41cf-a729-08db7d5c00a8 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: DM6NAM11FT008.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6656 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770588326220336092?= X-GMAIL-MSGID: =?utf-8?q?1770588326220336092?= On ASUS TUF A16 it is reported that the ITE5570 ACPI device connected to GPIO 7 is causing an interrupt storm. This issue doesn't happen on Windows. Comparing the GPIO register configuration between Windows and Linux bit 20 has been configured as a pull up on Windows, but not on Linux. Checking GPIO declaration from the firmware it is clear it *should* have been a pull up on Linux as well. ``` GpioInt (Level, ActiveLow, Exclusive, PullUp, 0x0000, "\\_SB.GPIO", 0x00, ResourceConsumer, ,) { // Pin list 0x0007 } ``` On Linux amd_gpio_set_config() is currently only used for programming the debounce. Actually the GPIO core calls it with all the arguments that are supported by a GPIO, pinctrl-amd just responds `-ENOTSUPP`. To solve this issue expand amd_gpio_set_config() to support the other arguments amd_pinconf_set() supports, namely `PIN_CONFIG_BIAS_PULL_DOWN`, `PIN_CONFIG_BIAS_PULL_UP`, and `PIN_CONFIG_DRIVE_STRENGTH`. Reported-by: Nik P Reported-by: Nathan Schulte Reported-by: Friedrich Vock Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217336 Reported-by: dridri85@gmail.com Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217493 Link: https://lore.kernel.org/linux-input/20230530154058.17594-1-friedrich.vock@gmx.de/ Fixes: 2956b5d94a76 ("pinctrl / gpio: Introduce .set_config() callback for GPIO chips") Signed-off-by: Mario Limonciello Reviewed-by: Andy Shevchenko --- v1->v2: * Adjust commit message alignment * Move earlier in the series --- drivers/pinctrl/pinctrl-amd.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 02d9f9f245707..eeaf80fdc13a2 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -188,18 +188,6 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, return ret; } -static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset, - unsigned long config) -{ - u32 debounce; - - if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) - return -ENOTSUPP; - - debounce = pinconf_to_config_argument(config); - return amd_gpio_set_debounce(gc, offset, debounce); -} - #ifdef CONFIG_DEBUG_FS static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) { @@ -782,7 +770,7 @@ static int amd_pinconf_get(struct pinctrl_dev *pctldev, } static int amd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, - unsigned long *configs, unsigned num_configs) + unsigned long *configs, unsigned int num_configs) { int i; u32 arg; @@ -872,6 +860,20 @@ static int amd_pinconf_group_set(struct pinctrl_dev *pctldev, return 0; } +static int amd_gpio_set_config(struct gpio_chip *gc, unsigned int pin, + unsigned long config) +{ + struct amd_gpio *gpio_dev = gpiochip_get_data(gc); + + if (pinconf_to_config_param(config) == PIN_CONFIG_INPUT_DEBOUNCE) { + u32 debounce = pinconf_to_config_argument(config); + + return amd_gpio_set_debounce(gc, pin, debounce); + } + + return amd_pinconf_set(gpio_dev->pctrl, pin, &config, 1); +} + static const struct pinconf_ops amd_pinconf_ops = { .pin_config_get = amd_pinconf_get, .pin_config_set = amd_pinconf_set,