linux-kernel - [PATCH v2 6/6] perf: arm_cspmu: use acpi_dev_hid_uid_match() for matching _HID and

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Message-Id: <20231023053530.5525-7-raag.jadav@intel.com>
Date:   Mon, 23 Oct 2023 11:05:30 +0530
From:   Raag Jadav <raag.jadav@...el.com>
To:     rafael@...nel.org, len.brown@...el.com, robert.moore@...el.com,
        mika.westerberg@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
        mark.rutland@....com, will@...nel.org, linux@...ck-us.net,
        Jonathan.Cameron@...wei.com
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        acpica-devel@...ts.linuxfoundation.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-hwmon@...r.kernel.org,
        mallikarjunappa.sangannavar@...el.com, bala.senthil@...el.com,
        Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v2 6/6] perf: arm_cspmu: use acpi_dev_hid_uid_match() for matching _HID and _UID

Convert manual _UID references to use the standard ACPI helpers.

Signed-off-by: Raag Jadav <raag.jadav@...el.com>
---
 drivers/perf/arm_cspmu/arm_cspmu.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
index e2b7827c4563..f0e6d14281d6 100644
--- a/drivers/perf/arm_cspmu/arm_cspmu.c
+++ b/drivers/perf/arm_cspmu/arm_cspmu.c
@@ -1061,7 +1061,7 @@ static int arm_cspmu_request_irq(struct arm_cspmu *cspmu)
 
 static inline int arm_cspmu_find_cpu_container(int cpu, u32 container_uid)
 {
-	u32 acpi_uid;
+	u64 acpi_uid;
 	struct device *cpu_dev;
 	struct acpi_device *acpi_dev;
 
@@ -1071,10 +1071,8 @@ static inline int arm_cspmu_find_cpu_container(int cpu, u32 container_uid)
 
 	acpi_dev = ACPI_COMPANION(cpu_dev);
 	while (acpi_dev) {
-		if (!strcmp(acpi_device_hid(acpi_dev),
-			    ACPI_PROCESSOR_CONTAINER_HID) &&
-		    !kstrtouint(acpi_device_uid(acpi_dev), 0, &acpi_uid) &&
-		    acpi_uid == container_uid)
+		if (acpi_dev_hid_uid_match(acpi_dev, ACPI_PROCESSOR_CONTAINER_HID, NULL) &&
+		    !acpi_dev_uid_to_integer(acpi_dev, &acpi_uid) && acpi_uid == container_uid)
 			return 0;
 
 		acpi_dev = acpi_dev_parent(acpi_dev);
-- 
2.17.1