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Thu, 29 Feb 2024 08:35:01 +0000 From: Javier Carrasco Date: Thu, 29 Feb 2024 09:34:50 +0100 Subject: [PATCH v6 7/9] usb: misc: onboard_dev: add support for non-hub devices Message-Id: <20240229-onboard_xvf3500-v6-7-a0aff2947040@wolfvision.net> References: <20240229-onboard_xvf3500-v6-0-a0aff2947040@wolfvision.net> In-Reply-To: <20240229-onboard_xvf3500-v6-0-a0aff2947040@wolfvision.net> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Kaehlcke , Greg Kroah-Hartman , Helen Koike , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Catalin Marinas , Will Deacon , Russell King Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1709195691; l=3959; i=javier.carrasco@wolfvision.net; s=20230509; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?z0bUXt8Jj5m6GvPyaWj36Vj2igrG?= =?utf-8?q?1JItVW4OAN/gnBcIE5YCbUkwkniFY2jIcoi081HUOTFawei7l0GAyhywRNJw0SQmJ?= =?utf-8?q?Y4MSwdfZsdOkgelxOde88nbSD/8zGbb/2ib386Cyjh2YUa/pV8tNh4HuZehiS5DX4?= =?utf-8?q?5sRPz8J4Ynd54DuV8pcE8TUke9LiirwTxLS6tAf2A2pJD6XkUW+LeHbH0RclLztHe?= =?utf-8?q?m+L+dlSyuM4Eh+RYPr0IEkz1VI1aHrWHpvB/TXwbgsdnjrPqlNQ+eCe9fe/YbSehj?= =?utf-8?q?xjQSKwh/1zO5tlgaDPV+3EHcWjvSLKyLhtXs/bJfAHCaZqhufeurIiq27GM2bJQU+?= =?utf-8?q?KH/BrLWS9NUeCH8HR3YYm9DMxY3smML8TrvRDKFyQJ+CeIVuoAzhAKKxjOJKI+WwL?= =?utf-8?q?9TUtpAd90tM24RKPFjmY3S0KrC/mGzKW7rvoMlPEkU3m8g1XKKxSyQ/LQ+AbsiL0I?= =?utf-8?q?QyQqAFgNRq52ZfnpzRIxQv6TAXZGd4kxogQWQD69KToPae5Y8QRGQ/k/60JoepF3U?= =?utf-8?q?qqYyqFpEgll64sRQ8gxXMKVg2cF4gvFVZqeFwhHEtfGMuQ/scBAeLzjFZwTHNjDdR?= =?utf-8?q?QIqmKmc4pHUkXaDvZuHSVnzUiwga6mLEWINjF65lAwnc5KTEN6KuJX0jXfy7huGos?= =?utf-8?q?4sKvfHZIBz1B3gMiUzh1rVfqLMGYDnyhesKDHATS4oF9wtEmssJRF1Paw+1N0pTlE?= =?utf-8?q?Y2WZX80i/oUt9uVRWfCSJ93SrQo4c2p1DI/gwogMEoqHTAxxiZqN4IXNwmD138OFf?= =?utf-8?q?sZa3oQ8huyVng+IOYN6mvGE8n2GJwPi+D7giZCpewpsvek4osvMvM75A1WNs90Urw?= =?utf-8?q?2EpJwMuzEEFTo2RVwNWMxhwRF939QJqTcqWuyb+tlL2StSBCnjvKR6SPFHpjWkTAJ?= =?utf-8?q?fTB9UZYlSKZdjaM3eGfDXNmJuYbt1b6ju6RH66i5l6drGwXa0xN2mVd/QEELpQ8ZP?= =?utf-8?q?bDebE5ZovX+BZ+W1//g/CytVoDXJCrIqbtGv2pCrj7YNZdMBQaqHUVag/ySUH37aS?= =?utf-8?q?FzUmUueAqixnIZDAIR4uf4Lin/F4v2I+XOkaiQPm9r6FOhsK/AXgJnOfcnC9StlRX?= =?utf-8?q?gvywtkwUboXVL6Nll1XQdsQQPgY5MBvzH61VRJNiQATwm+pCDrSqgSX7qpBuqPUob?= =?utf-8?q?EE0Ac74/vPfMIN4H2kpJmq2Urui/A+1aXzwYl/deGGGQd962cUrL0E0btZ/hG8tdb?= =?utf-8?q?8LEAGYei56Ds8DU8Z99IN41OJkM+g5bL52Gp7CXe/+1WpamXNWUUrhvQB5S4CbYuk?= =?utf-8?q?yWXkVkkr1o452RTaQshCYzgoG4nrqnCYkoMDc3Ta59H+lx/LaKGCBNzWmFNac7iY6?= =?utf-8?q?QpsE0yfOwhO8HdyrcHW1h/76JuFOrcphTF0ynAYPioj8myuBjZuNo9AsFBr+iNYlk?= =?utf-8?q?qfJuL8tUH5oI7V+3w0P1ASzxkVSjVwcA9eTFqUUrpaSlVzCVWCDkU2zh4iPDpwfcO?= =?utf-8?q?1aL8/oTrdnlKDJ5C/LRh2EAnMQ6arP9WwfXjOH8eeTPm2pKQqAG2wMyItMm1OeQxA?= =?utf-8?q?BWDFqyr4cxw/yLIBcGeFqFacQ51MV/KIHCFEOWE4Cvqhdj1Ie/3jSRA=3D?= X-OriginatorOrg: wolfvision.net X-MS-Exchange-CrossTenant-Network-Message-Id: f0e524da-2d7c-42cc-ce79-08dc390151e7 X-MS-Exchange-CrossTenant-AuthSource: VE1PR08MB4974.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Feb 2024 08:35:01.2528 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: e94ec9da-9183-471e-83b3-51baa8eb804f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9R7edYZdzUiVWj61qlLlKdUD0z8QsY4ESr2Y9E9JT2po0VPiOzpaRtjFZOjtrcL0ovOwArnk5mLqJwH2Ib0Y1/iD2JVKW6sDkAaJnJpVyqM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9727 Most of the functionality this driver provides can be used by non-hub devices as well. To account for the hub-specific code, add a flag to the device data structure and check its value for hub-specific code. The 'always_powered_in_supend' attribute is only available for hub devices, keeping the driver's default behavior for non-hub devices (keep on in suspend). Signed-off-by: Javier Carrasco Acked-by: Matthias Kaehlcke --- drivers/usb/misc/onboard_usb_dev.c | 25 ++++++++++++++++++++++++- drivers/usb/misc/onboard_usb_dev.h | 10 ++++++++++ 2 files changed, 34 insertions(+), 1 deletion(-) diff --git a/drivers/usb/misc/onboard_usb_dev.c b/drivers/usb/misc/onboard_usb_dev.c index 4ae580445408..f1b174503c44 100644 --- a/drivers/usb/misc/onboard_usb_dev.c +++ b/drivers/usb/misc/onboard_usb_dev.c @@ -261,7 +261,27 @@ static struct attribute *onboard_dev_attrs[] = { &dev_attr_always_powered_in_suspend.attr, NULL, }; -ATTRIBUTE_GROUPS(onboard_dev); + +static umode_t onboard_dev_attrs_are_visible(struct kobject *kobj, + struct attribute *attr, + int n) +{ + struct device *dev = kobj_to_dev(kobj); + struct onboard_dev *onboard_dev = dev_get_drvdata(dev); + + if (attr == &dev_attr_always_powered_in_suspend.attr && + !onboard_dev->pdata->is_hub) + return 0; + + return attr->mode; +} + +static const struct attribute_group onboard_dev_group = { + .is_visible = onboard_dev_attrs_are_visible, + .attrs = onboard_dev_attrs, +}; +__ATTRIBUTE_GROUPS(onboard_dev); + static void onboard_dev_attach_usb_driver(struct work_struct *work) { @@ -286,6 +306,9 @@ static int onboard_dev_probe(struct platform_device *pdev) if (!onboard_dev->pdata) return -EINVAL; + if (!onboard_dev->pdata->is_hub) + onboard_dev->always_powered_in_suspend = true; + onboard_dev->dev = dev; err = onboard_dev_get_regulators(onboard_dev); diff --git a/drivers/usb/misc/onboard_usb_dev.h b/drivers/usb/misc/onboard_usb_dev.h index 4da9f3b7f9e9..58cf8c81b2cf 100644 --- a/drivers/usb/misc/onboard_usb_dev.h +++ b/drivers/usb/misc/onboard_usb_dev.h @@ -12,60 +12,70 @@ struct onboard_dev_pdata { unsigned long reset_us; /* reset pulse width in us */ unsigned int num_supplies; /* number of supplies */ const char * const supply_names[MAX_SUPPLIES]; + bool is_hub; /* true if the device is a HUB */ }; static const struct onboard_dev_pdata microchip_usb424_data = { .reset_us = 1, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata microchip_usb5744_data = { .reset_us = 0, .num_supplies = 2, .supply_names = { "vdd", "vdd2" }, + .is_hub = true, }; static const struct onboard_dev_pdata realtek_rts5411_data = { .reset_us = 0, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata ti_tusb8041_data = { .reset_us = 3000, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata cypress_hx3_data = { .reset_us = 10000, .num_supplies = 2, .supply_names = { "vdd", "vdd2" }, + .is_hub = true, }; static const struct onboard_dev_pdata cypress_hx2vl_data = { .reset_us = 1, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata genesys_gl850g_data = { .reset_us = 3, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata genesys_gl852g_data = { .reset_us = 50, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct onboard_dev_pdata vialab_vl817_data = { .reset_us = 10, .num_supplies = 1, .supply_names = { "vdd" }, + .is_hub = true, }; static const struct of_device_id onboard_dev_match[] = {