linux-kernel - [PATCH 1/2] hwmon: (k10temp) Move the CCD limit info inside k10temp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <163770216907.777059.6947726637265961161.stgit@bmoger-ubuntu>
Date:   Tue, 23 Nov 2021 15:16:28 -0600
From:   Babu Moger <babu.moger@....com>
To:     <clemens@...isch.de>, <jdelvare@...e.com>, <linux@...ck-us.net>
CC:     <linux-hwmon@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] hwmon: (k10temp) Move the CCD limit info inside
 k10temp_data structure

It seems appropriate to move the CCD specific information inside the
k10temp_data structure.

Signed-off-by: Babu Moger <babu.moger@....com>
---
Note: Generated the patch on top of hwmon-next.

 drivers/hwmon/k10temp.c |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 880990fa4795..bd436b380a02 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -85,6 +85,7 @@ struct k10temp_data {
 	u32 show_temp;
 	bool is_zen;
 	u32 ccd_offset;
+	u32 ccd_limit;
 };
 
 #define TCTL_BIT	0
@@ -357,12 +358,12 @@ static const struct hwmon_chip_info k10temp_chip_info = {
 };
 
 static void k10temp_get_ccd_support(struct pci_dev *pdev,
-				    struct k10temp_data *data, int limit)
+				    struct k10temp_data *data)
 {
 	u32 regval;
 	int i;
 
-	for (i = 0; i < limit; i++) {
+	for (i = 0; i < data->ccd_limit; i++) {
 		amd_smn_read(amd_pci_dev_to_node_id(pdev),
 			     ZEN_CCD_TEMP(data->ccd_offset, i), &regval);
 		if (regval & ZEN_CCD_TEMP_VALID)
@@ -411,14 +412,16 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		case 0x11:	/* Zen APU */
 		case 0x18:	/* Zen+ APU */
 			data->ccd_offset = 0x154;
-			k10temp_get_ccd_support(pdev, data, 4);
+			data->ccd_limit = 4;
+			k10temp_get_ccd_support(pdev, data);
 			break;
 		case 0x31:	/* Zen2 Threadripper */
 		case 0x60:	/* Renoir */
 		case 0x68:	/* Lucienne */
 		case 0x71:	/* Zen2 */
 			data->ccd_offset = 0x154;
-			k10temp_get_ccd_support(pdev, data, 8);
+			data->ccd_limit = 8;
+			k10temp_get_ccd_support(pdev, data);
 			break;
 		}
 	} else if (boot_cpu_data.x86 == 0x19) {
@@ -431,13 +434,15 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		case 0x21:		/* Zen3 Ryzen Desktop */
 		case 0x50 ... 0x5f:	/* Green Sardine */
 			data->ccd_offset = 0x154;
-			k10temp_get_ccd_support(pdev, data, 8);
+			data->ccd_limit = 8;
+			k10temp_get_ccd_support(pdev, data);
 			break;
 		case 0x10 ... 0x1f:
 		case 0x40 ... 0x4f:	/* Yellow Carp */
 		case 0xa0 ... 0xaf:
 			data->ccd_offset = 0x300;
-			k10temp_get_ccd_support(pdev, data, 8);
+			data->ccd_limit = 8;
+			k10temp_get_ccd_support(pdev, data);
 			break;
 		}
 	} else {