From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Hans de Goede <hdegoede@redhat.com>, Ard Biesheuvel <ardb@kernel.org>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Mark Brown <broonie@kernel.org>, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devel@acpica.org Cc: "Rafael J. Wysocki" <rafael@kernel.org>, Len Brown <lenb@kernel.org>, Elie Morisse <syniurge@gmail.com>, Nehal Shah <nehal-bakulchandra.shah@amd.com>, Shyam Sundar S K <shyam-sundar.s-k@amd.com>, Khalil Blaiech <kblaiech@nvidia.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@somainline.org>, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Daniel Mack <daniel@zonque.org>, Haojian Zhuang <haojian.zhuang@gmail.com>, Robert Jarzmik <robert.jarzmik@free.fr>, Robert Moore <robert.moore@intel.com> Subject: [PATCH v3 1/8] ACPI: utils: Add acpi_dev_uid_to_integer() helper to get _UID as integer Date: Tue, 13 Sep 2022 19:31:40 +0300 [thread overview] Message-ID: <20220913163147.24258-2-andriy.shevchenko@linux.intel.com> (raw) In-Reply-To: <20220913163147.24258-1-andriy.shevchenko@linux.intel.com> Some users interpret _UID only as integer and for them it's easier to have an integer representation of _UID. Add respective helper for that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> --- drivers/acpi/utils.c | 24 ++++++++++++++++++++++++ include/acpi/acpi_bus.h | 1 + include/linux/acpi.h | 5 +++++ 3 files changed, 30 insertions(+) diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 4acd6f7d1395..2ea14648a661 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -793,6 +793,30 @@ bool acpi_dev_hid_uid_match(struct acpi_device *adev, } EXPORT_SYMBOL(acpi_dev_hid_uid_match); +/** + * acpi_dev_uid_to_integer - treat ACPI device _UID as integer + * @adev: ACPI device to get _UID from + * @integer: output buffer for integer + * + * Considers _UID as integer and converts it to @integer. + * + * Returns 0 on success, or negative error code otherwise. + */ +int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + const char *uid; + + if (!adev) + return -ENODEV; + + uid = acpi_device_uid(adev); + if (!uid) + return -ENODATA; + + return kstrtou64(uid, 0, integer); +} +EXPORT_SYMBOL(acpi_dev_uid_to_integer); + /** * acpi_dev_found - Detect presence of a given ACPI device in the namespace. * @hid: Hardware ID of the device. diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 42f76f2c2d49..1804d7a70918 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -739,6 +739,7 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev) } bool acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2); +int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer); void acpi_dev_clear_dependencies(struct acpi_device *supplier); bool acpi_dev_ready_for_enumeration(const struct acpi_device *device); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index ed4aa395cc49..619b2b1e4fb4 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -799,6 +799,11 @@ acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *u return false; } +static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + return -ENODEV; +} + static inline struct acpi_device * acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) { -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Hans de Goede <hdegoede@redhat.com>, Ard Biesheuvel <ardb@kernel.org>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Mark Brown <broonie@kernel.org>, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devel@acpica.org Cc: "Rafael J. Wysocki" <rafael@kernel.org>, Len Brown <lenb@kernel.org>, Elie Morisse <syniurge@gmail.com>, Nehal Shah <nehal-bakulchandra.shah@amd.com>, Shyam Sundar S K <shyam-sundar.s-k@amd.com>, Khalil Blaiech <kblaiech@nvidia.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@somainline.org>, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Daniel Mack <daniel@zonque.org>, Haojian Zhuang <haojian.zhuang@gmail.com>, Robert Jarzmik <robert.jarzmik@free.fr>, Robert Moore <robert.moore@intel.com> Subject: [PATCH v3 1/8] ACPI: utils: Add acpi_dev_uid_to_integer() helper to get _UID as integer Date: Tue, 13 Sep 2022 19:31:40 +0300 [thread overview] Message-ID: <20220913163147.24258-2-andriy.shevchenko@linux.intel.com> (raw) In-Reply-To: <20220913163147.24258-1-andriy.shevchenko@linux.intel.com> Some users interpret _UID only as integer and for them it's easier to have an integer representation of _UID. Add respective helper for that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> --- drivers/acpi/utils.c | 24 ++++++++++++++++++++++++ include/acpi/acpi_bus.h | 1 + include/linux/acpi.h | 5 +++++ 3 files changed, 30 insertions(+) diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 4acd6f7d1395..2ea14648a661 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -793,6 +793,30 @@ bool acpi_dev_hid_uid_match(struct acpi_device *adev, } EXPORT_SYMBOL(acpi_dev_hid_uid_match); +/** + * acpi_dev_uid_to_integer - treat ACPI device _UID as integer + * @adev: ACPI device to get _UID from + * @integer: output buffer for integer + * + * Considers _UID as integer and converts it to @integer. + * + * Returns 0 on success, or negative error code otherwise. + */ +int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + const char *uid; + + if (!adev) + return -ENODEV; + + uid = acpi_device_uid(adev); + if (!uid) + return -ENODATA; + + return kstrtou64(uid, 0, integer); +} +EXPORT_SYMBOL(acpi_dev_uid_to_integer); + /** * acpi_dev_found - Detect presence of a given ACPI device in the namespace. * @hid: Hardware ID of the device. diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 42f76f2c2d49..1804d7a70918 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -739,6 +739,7 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev) } bool acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2); +int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer); void acpi_dev_clear_dependencies(struct acpi_device *supplier); bool acpi_dev_ready_for_enumeration(const struct acpi_device *device); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index ed4aa395cc49..619b2b1e4fb4 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -799,6 +799,11 @@ acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *u return false; } +static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + return -ENODEV; +} + static inline struct acpi_device * acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) { -- 2.35.1
next prev parent reply other threads:[~2022-09-13 16:33 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-13 16:31 [PATCH v3 0/8] ACPI: unify _UID handling as integer Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko [this message] 2022-09-13 16:31 ` [PATCH v3 1/8] ACPI: utils: Add acpi_dev_uid_to_integer() helper to get _UID " Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 2/8] ACPI: LPSS: Refactor _UID handling to use acpi_dev_uid_to_integer() Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 3/8] ACPI: x86: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 4/8] i2c: amd-mp2-plat: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 5/8] i2c: mlxbf: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 6/8] perf: qcom_l2_pmu: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 7/8] spi: pxa2xx: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-13 16:31 ` [PATCH v3 8/8] efi/dev-path-parser: " Andy Shevchenko 2022-09-13 16:31 ` Andy Shevchenko 2022-09-19 16:37 ` [PATCH v3 0/8] ACPI: unify _UID handling as integer Rafael J. Wysocki 2022-09-19 16:37 ` [Devel] " Rafael J. Wysocki 2022-09-19 16:37 ` Rafael J. Wysocki
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