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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN0PR12MB6101.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: dbc85237-9e4c-42fc-b9df-08da6417a603 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jul 2022 15:03:15.8165 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 9y0ZGMiKOwMO5hJnfLgY9nIH5GQcP+0Q7j+XeNoVeofqolzeRudR5rHzYeavCZkzkXtwYQJ+5xuHX6HBl7V15g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3742 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org [Public] > -----Original Message----- > From: S-k, Shyam-sundar > Sent: Tuesday, July 12, 2022 09:59 > To: hdegoede@redhat.com; markgross@kernel.org > Cc: platform-driver-x86@vger.kernel.org; Patil Rajesh > ; Limonciello, Mario > ; S-k, Shyam-sundar k@amd.com> > Subject: [PATCH v1 01/15] ACPI: platform_profile: Add support for > notification chains >=20 > From: Mario Limonciello >=20 > Allow other drivers to react to determine current active profile > and react to platform profile changes. >=20 The original patch this came from had notification chains, but as this was pared down to just export the get method, this commit message and title should be updated. > Signed-off-by: Mario Limonciello > Signed-off-by: Shyam Sundar S K > --- > drivers/acpi/platform_profile.c | 26 ++++++++++++++++++++++++++ > include/linux/platform_profile.h | 1 + > 2 files changed, 27 insertions(+) >=20 > diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_prof= ile.c > index d418462ab791..7e12a1f30f06 100644 > --- a/drivers/acpi/platform_profile.c > +++ b/drivers/acpi/platform_profile.c > @@ -49,6 +49,32 @@ static ssize_t platform_profile_choices_show(struct > device *dev, > return len; > } >=20 > +int platform_profile_get(enum platform_profile_option *profile) > +{ > + int err; > + > + err =3D mutex_lock_interruptible(&profile_lock); > + if (err) > + return err; > + > + if (!cur_profile) { > + mutex_unlock(&profile_lock); > + return -ENODEV; > + } > + > + err =3D cur_profile->profile_get(cur_profile, profile); > + mutex_unlock(&profile_lock); > + if (err) > + return err; > + > + /* Check that profile is valid index */ > + if (WARN_ON((*profile < 0) || (*profile >=3D > ARRAY_SIZE(profile_names)))) > + return -EIO; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(platform_profile_get); > + > static ssize_t platform_profile_show(struct device *dev, > struct device_attribute *attr, > char *buf) > diff --git a/include/linux/platform_profile.h > b/include/linux/platform_profile.h > index e5cbb6841f3a..2395be670dfd 100644 > --- a/include/linux/platform_profile.h > +++ b/include/linux/platform_profile.h > @@ -37,5 +37,6 @@ struct platform_profile_handler { > int platform_profile_register(struct platform_profile_handler *pprof); > int platform_profile_remove(void); > void platform_profile_notify(void); > +int platform_profile_get(enum platform_profile_option *profile); >=20 > #endif /*_PLATFORM_PROFILE_H_*/ > -- > 2.25.1