Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com;
From:   Sanket Goswami <Sanket.Goswami@amd.com>
To:     <Shyam-sundar.S-k@amd.com>, <hdegoede@redhat.com>,
        <mgross@linux.intel.com>
CC:     <platform-driver-x86@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        Sanket Goswami <Sanket.Goswami@amd.com>,
        Nathan Chancellor <nathan@kernel.org>
Subject: [PATCH] platform/x86: amd-pmc: Fix the build error when CONFIG_DEBUG_FS is disable
Date:   Fri, 8 Oct 2021 14:04:08 +0530
Message-ID: <20211008083408.8497-1-Sanket.Goswami@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2021 08:34:31.7329
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: e8b203a1-2cc2-4c43-4c23-08d98a36736a
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: DM6NAM11FT035.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR12MB4752
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

It was reported that when CONFIG_DEBUG_FS is disabled, amd-pmc driver
ended up in build failure.

Re-order the routine to solve the problem.

Fixes: b4a53d6f61eb ("platform/x86: amd-pmc: Export Idlemask values
based on the APU")

Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
---
 drivers/platform/x86/amd-pmc.c | 86 +++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 43 deletions(-)

diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index 91c1f1c6c929..88cded2fe680 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -155,6 +155,31 @@ struct smu_metrics {
 	u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX];
 } __packed;
 
+static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
+				 struct seq_file *s)
+{
+	u32 val;
+
+	switch (pdev->cpu_id) {
+	case AMD_CPU_ID_CZN:
+		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
+		break;
+	case AMD_CPU_ID_YC:
+		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (dev)
+		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
+
+	if (s)
+		seq_printf(s, "SMU idlemask : 0x%x\n", val);
+
+	return 0;
+}
+
 #ifdef CONFIG_DEBUG_FS
 static int smu_fw_info_show(struct seq_file *s, void *unused)
 {
@@ -210,49 +235,6 @@ static int s0ix_stats_show(struct seq_file *s, void *unused)
 }
 DEFINE_SHOW_ATTRIBUTE(s0ix_stats);
 
-static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
-{
-	int rc;
-	u32 val;
-
-	rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1);
-	if (rc)
-		return rc;
-
-	dev->major = (val >> 16) & GENMASK(15, 0);
-	dev->minor = (val >> 8) & GENMASK(7, 0);
-	dev->rev = (val >> 0) & GENMASK(7, 0);
-
-	dev_dbg(dev->dev, "SMU version is %u.%u.%u\n", dev->major, dev->minor, dev->rev);
-
-	return 0;
-}
-
-static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
-				 struct seq_file *s)
-{
-	u32 val;
-
-	switch (pdev->cpu_id) {
-	case AMD_CPU_ID_CZN:
-		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
-		break;
-	case AMD_CPU_ID_YC:
-		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (dev)
-		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
-
-	if (s)
-		seq_printf(s, "SMU idlemask : 0x%x\n", val);
-
-	return 0;
-}
-
 static int amd_pmc_idlemask_show(struct seq_file *s, void *unused)
 {
 	struct amd_pmc_dev *dev = s->private;
@@ -295,6 +277,24 @@ static inline void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev)
 }
 #endif /* CONFIG_DEBUG_FS */
 
+static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
+{
+	int rc;
+	u32 val;
+
+	rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1);
+	if (rc)
+		return rc;
+
+	dev->major = (val >> 16) & GENMASK(15, 0);
+	dev->minor = (val >> 8) & GENMASK(7, 0);
+	dev->rev = (val >> 0) & GENMASK(7, 0);
+
+	dev_dbg(dev->dev, "SMU version is %u.%u.%u\n", dev->major, dev->minor, dev->rev);
+
+	return 0;
+}
+
 static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev)
 {
 	u32 phys_addr_low, phys_addr_hi;
-- 
2.25.1