iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Arm SCMI fix for v6.6

Browse Source 
A single fix to address scmi_perf_attributes_get() using the protocol
 version even before it was populated and ending up with unexpected
 bogowatts power scale.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmUUGkkACgkQAEG6vDF+
 4phm7g/+LjCMNZ0uxp/qxcZszFJln2wO2MFnY2X55o/anFlLoMQdeDlzBgGGP5Ul
 UmMo29Aq0n6FmPkrj2oV+3QR5oRKSauSbkLDxYGP4GVxpZ8zC8YotNV4z9XfxbnZ
 +SoZflXFCO/P/lPq7MMVJNcB4WqQjUv+yg9uHaejN2kXwhmntxoUqYb+82TgL/No
 Vb9rTkvRCLO6K/jxUgIWT0uwu1aBx7yOzx74Fe79IwWgGCdikk18hR13KhzsxnVz
 FHgoGnoo3cffx6gZPKNTIH032pSn24JuYRxT+FCY8IXbZYAkeHG8L5AklFDBRcHs
 zKOjnmAcPSNYDSaC5BpaJo6J7qbXnGiCUVZWlD5UzjVvOsdQRElDlQRpxwbAoRED
 3jxOSAN8V1GnC5cZvAPmMKtJk/5/2tw3pxOg4fxuvXVhetwg4fEiFghTzZN3N028
 yMpciPRU5M5EuROGLs6+NGdK93aLsDDYPnOoPe4jdBD77M0WcxrruC9I80wn6yQR
 +qxwlooebt9WR+ZkOYnsIBsWcRbvn/dMvnotTM7Tm2gblK2uVmhySKjYR931/p1D
 6gDOilbUebN/RN1CPcP1NzOVl0IuRblXe3Ps5TD7liwCCzVYxD5kwfIJMC6o8Cfr
 QPkqtCRv4jPbUQdrGCOEDRD+GqiF3nNvuGUQ6mqBFFvR4h9NbPU=
 =v9wZ
 -----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmUVKAEACgkQYKtH/8kJ
 UidgWRAA0D9EEbxqHt5WjBW75jifD09oUD1+XnyYCIVa9fyB11uInUJxAjG/xSGg
 JSqK54TRnK32OpwFeClv6k38WdpRw3GemCBNxvAXrF4wN4f1xKD0O0rM46U0AoFb
 fSqoO3TZN2wgOJbdPmIUSBJJ9To2jquQeKi+qDZ5o2utUfjVHfJqVIqpZR2SPTf2
 vXoFRfPcx5rmSrXNX57U1pv1NCTp3y14RT2VJwzND/Nb8jMjxYQFWslBcFSJNTRn
 oTzdSSP4W+XZOGF13N2pfuLe2mqqSnMHeXlBD9oMvgGfFO0gAQ1xc4V1CNc6tzjc
 xrbhGYwEUqXqo+TJa8uLYbUE4aaPdkP4VBn3cNn/5BrkAooZwOAfRaNYoXFNRwZw
 nZ3e0e6qKsyA/frOt7lqFU/J81HHxEQpEKg1bVqPpuviYNRNNfms4XPrtx9+DWPd
 xdQoqUW3jGJ4yzgxh4V1ZDvIFP2/1C1gilayXxtHcoo9H3Grue9n6ApTcO1HJQaC
 JIHIwSWn2PkxZ919fPmqJHY8bFLkjJHWYRM+oPrp/Cn5B3NLQ1ICGPbDRmS5x/Vs
 mTBjjkwRVJcHmMLN+5/XdQYKRzrHAtKD8Um6V4nJ1iRkI7IQykGY4KHqmyxCRWMh
 mcMsq89suKAAimy+kTmg1kP/OYR5zAMaikQx/QsmOYgxRdAGkHU=
 =ZyGq
 -----END PGP SIGNATURE-----

Merge tag 'scmi-fix-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm SCMI fix for v6.6

A single fix to address scmi_perf_attributes_get() using the protocol
version even before it was populated and ending up with unexpected
bogowatts power scale.

* tag 'scmi-fix-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Fixup perf power-cost/microwatt support

Link: https://lore.kernel.org/r/20230927121604.158645-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-09-28 09:15:12 +02:00
commit 5106e65f23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/firmware/arm_scmi/perf.c
View File

@ -1080,6 +1080,8 @@ static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph)
if (!pinfo) if (!pinfo)
return -ENOMEM; return -ENOMEM;
pinfo->version = version;
ret = scmi_perf_attributes_get(ph, pinfo); ret = scmi_perf_attributes_get(ph, pinfo);
if (ret) if (ret)
return ret; return ret;
@ -1104,8 +1106,6 @@ static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph)
if (ret) if (ret)
return ret; return ret;
pinfo->version = version;
return ph->set_priv(ph, pinfo); return ph->set_priv(ph, pinfo);
} }