diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2024-09-30 11:17:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-17 16:27:01 +0300 |
| commit | b3f07ad47904867895f88d9cce61481c3efb8b74 (patch) | |
| tree | 34439c08e77735d8b3249e00d9463af5ed1e1e33 | |
| parent | ab4d113b6718b076046018292f821d5aa4b844f8 (diff) | |
| download | linux-b3f07ad47904867895f88d9cce61481c3efb8b74.tar.xz | |
powercap: intel_rapl_tpmi: Fix bogus register reading
commit 91e8f835a7eda4ba2c0c4002a3108a0e3b22d34e upstream.
The TPMI_RAPL_REG_DOMAIN_INFO value needs to be multiplied by 8 to get
the register offset.
Cc: All applicable <stable@vger.kernel.org>
Fixes: 903eb9fb85e3 ("powercap: intel_rapl_tpmi: Fix System Domain probing")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://patch.msgid.link/20240930081801.28502-2-rui.zhang@intel.com
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/powercap/intel_rapl_tpmi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/powercap/intel_rapl_tpmi.c b/drivers/powercap/intel_rapl_tpmi.c index 0c55a80d0190..645fd1dc51a9 100644 --- a/drivers/powercap/intel_rapl_tpmi.c +++ b/drivers/powercap/intel_rapl_tpmi.c @@ -192,7 +192,7 @@ 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; |