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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jul 2024 11:17:10.0493 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8a7440fd-ea68-4927-17c9-08dc9c1ad8e5 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: DS2PEPF0000343E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5859 Content-Type: text/plain; charset="utf-8" - AMD provides socket power information from out of band which can be read by sensors. - platform driver will probe drivers/hwmon/sbrmi as a platform device and share the sbrmi device data. Signed-off-by: Akshay Gupta Reviewed-by: Naveen Krishna Chatradhi --- drivers/misc/amd-sb/sbrmi-i2c.c | 25 ++++++++++++++++++++++++- include/misc/amd-sb.h | 2 ++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/misc/amd-sb/sbrmi-i2c.c b/drivers/misc/amd-sb/sbrmi-i2= c.c index c4903d9e9f0f..b593bbdd78e0 100644 --- a/drivers/misc/amd-sb/sbrmi-i2c.c +++ b/drivers/misc/amd-sb/sbrmi-i2c.c @@ -72,7 +72,29 @@ static int sbrmi_i2c_probe(struct i2c_client *client) return ret; =20 /* Cache maximum power limit */ - return sbrmi_get_max_pwr_limit(data); + ret =3D sbrmi_get_max_pwr_limit(data); + if (ret < 0) + return ret; + + dev_set_drvdata(dev, (void *)data); + data->pdev =3D platform_device_register_data(dev, "sbrmi-hwmon", + PLATFORM_DEVID_NONE, + data, + sizeof(struct sbrmi_data)); + if (IS_ERR(data->pdev)) { + pr_err("unable to register platform device for sbrmi-hwmon\n"); + return PTR_ERR(data->pdev); + } + return ret; +} + +static void sbrmi_i2c_remove(struct i2c_client *client) +{ + struct sbrmi_data *data =3D dev_get_drvdata(&client->dev); + + if (!data) + return; + platform_device_unregister(data->pdev); } =20 static const struct i2c_device_id sbrmi_id[] =3D { @@ -95,6 +117,7 @@ static struct i2c_driver sbrmi_driver =3D { .of_match_table =3D of_match_ptr(sbrmi_of_match), }, .probe =3D sbrmi_i2c_probe, + .remove =3D sbrmi_i2c_remove, .id_table =3D sbrmi_id, }; =20 diff --git a/include/misc/amd-sb.h b/include/misc/amd-sb.h index e1a012fcdff9..79b76dd6068a 100644 --- a/include/misc/amd-sb.h +++ b/include/misc/amd-sb.h @@ -8,6 +8,7 @@ =20 #include #include +#include /* * SB-RMI supports soft mailbox service request to MP1 (power management * firmware) through SBRMI inbound/outbound message registers. @@ -24,6 +25,7 @@ enum sbrmi_msg_id { struct sbrmi_data { struct i2c_client *client; struct mutex lock; + struct platform_device *pdev; u32 pwr_limit_max; }; =20 --=20 2.25.1