diff options
| author | Akshay Gupta <akshay.gupta@amd.com> | 2025-09-15 10:36:47 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-22 07:59:57 +0200 |
| commit | dd68c06380f67beda28b0cb7d77a75b91a6174e4 (patch) | |
| tree | 383357bdba232057b1dbc3596df60833fc4af75b | |
| parent | 45392fd4394cb8d4b39ba0f144651aba05b7b2a7 (diff) | |
misc: amd-sbi: CPUID/MCAMSR protocol for Revision 0x21
- CPUID and MCAMSR protocol for newer platform with revision
0x21 and later is modified as per two byte register address size.
- Modify the CPUID and MCAMSR protocol to return error, "-EOPNOTSUPP",
for revision 0x21.
- Next set of patches will add support for CPUID and MCAMSR for Turin and
later platforms.
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Link: https://patch.msgid.link/20250915103649.1705078-4-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/misc/amd-sbi/rmi-core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/amd-sbi/rmi-core.c b/drivers/misc/amd-sbi/rmi-core.c index 3dec2fc00124..bf534ba757db 100644 --- a/drivers/misc/amd-sbi/rmi-core.c +++ b/drivers/misc/amd-sbi/rmi-core.c @@ -122,8 +122,8 @@ static int rmi_cpuid_read(struct sbrmi_data *data, if (ret < 0) goto exit_unlock; } - /* CPUID protocol for REV 0x10 is not supported*/ - if (data->rev == 0x10) { + /* CPUID protocol for REV 0x20 is only supported*/ + if (data->rev != 0x20) { ret = -EOPNOTSUPP; goto exit_unlock; } @@ -203,8 +203,8 @@ static int rmi_mca_msr_read(struct sbrmi_data *data, if (ret < 0) goto exit_unlock; } - /* MCA MSR protocol for REV 0x10 is not supported*/ - if (data->rev == 0x10) { + /* MCA MSR protocol for REV 0x20 is supported*/ + if (data->rev != 0x20) { ret = -EOPNOTSUPP; goto exit_unlock; } |