From 91e8f835a7eda4ba2c0c4002a3108a0e3b22d34e Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Mon, 30 Sep 2024 16:17:56 +0800 Subject: [PATCH] powercap: intel_rapl_tpmi: Fix bogus register reading The TPMI_RAPL_REG_DOMAIN_INFO value needs to be multiplied by 8 to get the register offset. Cc: All applicable Fixes: 903eb9fb85e3 ("powercap: intel_rapl_tpmi: Fix System Domain probing") Signed-off-by: Zhang Rui Link: https://patch.msgid.link/20240930081801.28502-2-rui.zhang@intel.com [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki --- 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 947544e4d229a..7435df083ea42 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; -- 2.50.1