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>

diff --git a/drivers/platform/x86/intel_pmt_crashlog.c b/drivers/platform/x86/intel_pmt_crashlog.c
index 97dd749..92d315a 100644 (file)
--- 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)