[PATCH AUTOSEL 6.2 15/25] hwmon: (peci/cputemp) Fix miscalculated DTS for SKX

[Sasha Levin]

From: Iwona Winiarska <iwona.winiarska@xxxxxxxxx>

[ Upstream commit 2b91c4a870c9830eaf95e744454c9c218cccb736 ]

For Skylake, DTS temperature of the CPU is reported in S10.6 format
instead of S8.8.

Reported-by: Paul Fertser <fercerpav@xxxxxxxxx>
Link: https://lore.kernel.org/lkml/ZBhHS7v+98NK56is@xxxxxxxxxxxxxx/
Signed-off-by: Iwona Winiarska <iwona.winiarska@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230321090410.866766-1-iwona.winiarska@xxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/hwmon/peci/cputemp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
index 30850a479f61f..87d56f0fc888c 100644
--- a/drivers/hwmon/peci/cputemp.c
+++ b/drivers/hwmon/peci/cputemp.c
@@ -537,6 +537,12 @@ static const struct cpu_info cpu_hsx = {
 	.thermal_margin_to_millidegree = &dts_eight_dot_eight_to_millidegree,
 };
 
+static const struct cpu_info cpu_skx = {
+	.reg		= &resolved_cores_reg_hsx,
+	.min_peci_revision = 0x33,
+	.thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
+};
+
 static const struct cpu_info cpu_icx = {
 	.reg		= &resolved_cores_reg_icx,
 	.min_peci_revision = 0x40,
@@ -558,7 +564,7 @@ static const struct auxiliary_device_id peci_cputemp_ids[] = {
 	},
 	{
 		.name = "peci_cpu.cputemp.skx",
-		.driver_data = (kernel_ulong_t)&cpu_hsx,
+		.driver_data = (kernel_ulong_t)&cpu_skx,
 	},
 	{
 		.name = "peci_cpu.cputemp.icx",
-- 
2.39.2