[PATCH 1/6] powercap: intel_rapl_tpmi: Fix bogus register reading

From: Zhang Rui
Date: Mon Sep 30 2024 - 04:20:16 EST


Fix bogus reading of the TPMI_RAPL_REG_DOMAIN_INFO register.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 903eb9fb85e3 ("powercap: intel_rapl_tpmi: Fix System Domain probing")
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
drivers/powercap/intel_rapl_tpmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/powercap/intel_rapl_tpmi.c b/drivers/powercap/intel_rapl_tpmi.c
index 947544e4d229..7435df083ea4 100644
--- a/drivers/powercap/intel_rapl_tpmi.c
+++ b/drivers/powercap/intel_rapl_tpmi.c
@@ -181,7 +181,7 @@ static int parse_one_domain(struct tpmi_rapl_package *trp, u32 offset)
pr_warn(FW_BUG "System domain must support Domain Info register\n");
return -ENODEV;
}
- tpmi_domain_info = readq(trp->base + offset + TPMI_RAPL_REG_DOMAIN_INFO);
+ tpmi_domain_info = readq(trp->base + offset + TPMI_RAPL_REG_DOMAIN_INFO * 8);
if (!(tpmi_domain_info & TPMI_RAPL_DOMAIN_ROOT))
return 0;
domain_type = RAPL_DOMAIN_PLATFORM;
--
2.34.1