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| author | David E. Box <david.e.box@linux.intel.com> | 2021-03-16 19:44:55 -0700 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2021-03-23 21:50:02 +0100 |
| commit | 10c931cdfe64ebc38a15a485dd794915044f2111 (patch) | |
| tree | 638d3b12048389d1e65114844dc2fbb5166e80ca | |
| parent | 7547deff8a221e6bf1e563cf1b636844a8e5378a (diff) | |
| download | linux-10c931cdfe64ebc38a15a485dd794915044f2111.tar.bz2 | |
platform/x86: intel_pmt_crashlog: Fix incorrect macros
Fixes off-by-one bugs in the macro assignments for the crashlog control
bits. Was initially tested on emulation but bug revealed after testing on
silicon.
Fixes: 5ef9998c96b0 ("platform/x86: Intel PMT Crashlog capability driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20210317024455.3071477-2-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
| -rw-r--r-- | drivers/platform/x86/intel_pmt_crashlog.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/platform/x86/intel_pmt_crashlog.c b/drivers/platform/x86/intel_pmt_crashlog.c index 97dd749c8290..92d315a16cfd 100644 --- a/drivers/platform/x86/intel_pmt_crashlog.c +++ b/drivers/platform/x86/intel_pmt_crashlog.c @@ -23,18 +23,17 @@ #define CRASH_TYPE_OOBMSM 1 /* Control Flags */ -#define CRASHLOG_FLAG_DISABLE BIT(27) +#define CRASHLOG_FLAG_DISABLE BIT(28) /* - * Bits 28 and 29 control the state of bit 31. + * Bits 29 and 30 control the state of bit 31. * - * Bit 28 will clear bit 31, if set, allowing a new crashlog to be captured. - * Bit 29 will immediately trigger a crashlog to be generated, setting bit 31. - * Bit 30 is read-only and reserved as 0. + * Bit 29 will clear bit 31, if set, allowing a new crashlog to be captured. + * Bit 30 will immediately trigger a crashlog to be generated, setting bit 31. * Bit 31 is the read-only status with a 1 indicating log is complete. */ -#define CRASHLOG_FLAG_TRIGGER_CLEAR BIT(28) -#define CRASHLOG_FLAG_TRIGGER_EXECUTE BIT(29) +#define CRASHLOG_FLAG_TRIGGER_CLEAR BIT(29) +#define CRASHLOG_FLAG_TRIGGER_EXECUTE BIT(30) #define CRASHLOG_FLAG_TRIGGER_COMPLETE BIT(31) #define CRASHLOG_FLAG_TRIGGER_MASK GENMASK(31, 28) |