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-rw-r--r--include/linux/mod_devicetable.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index e3596db077dc..953d7ca01eb6 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -657,6 +657,10 @@ struct mips_cdmm_device_id {
/*
* MODULE_DEVICE_TABLE expects this struct to be called x86cpu_device_id.
* Although gcc seems to ignore this error, clang fails without this define.
+ *
+ * Note: The ordering of the struct is different from upstream because the
+ * static initializers in kernels < 5.7 still use C89 style while upstream
+ * has been converted to proper C99 initializers.
*/
#define x86cpu_device_id x86_cpu_id
struct x86_cpu_id {
@@ -665,6 +669,7 @@ struct x86_cpu_id {
__u16 model;
__u16 feature; /* bit index */
kernel_ulong_t driver_data;
+ __u16 steppings;
};
#define X86_FEATURE_MATCH(x) \
@@ -673,6 +678,7 @@ struct x86_cpu_id {
#define X86_VENDOR_ANY 0xffff
#define X86_FAMILY_ANY 0
#define X86_MODEL_ANY 0
+#define X86_STEPPING_ANY 0
#define X86_FEATURE_ANY 0 /* Same as FPU, you can't test for that */
/*