change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/powerpc/include/asm/security_features.h
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@@ -9,7 +9,7 @@
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 #define _ASM_POWERPC_SECURITY_FEATURES_H
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-extern unsigned long powerpc_security_features;
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+extern u64 powerpc_security_features;
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 extern bool rfi_flush;
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 /* These are bit flags */
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@@ -24,17 +24,17 @@
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 void do_stf_barrier_fixups(enum stf_barrier_type types);
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 void setup_count_cache_flush(void);
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-static inline void security_ftr_set(unsigned long feature)
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+static inline void security_ftr_set(u64 feature)
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 {
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 	powerpc_security_features |= feature;
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 }
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-static inline void security_ftr_clear(unsigned long feature)
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+static inline void security_ftr_clear(u64 feature)
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 {
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 	powerpc_security_features &= ~feature;
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 }
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-static inline bool security_ftr_enabled(unsigned long feature)
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+static inline bool security_ftr_enabled(u64 feature)
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 {
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 	return !!(powerpc_security_features & feature);
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 }
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@@ -68,6 +68,8 @@
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 // bcctr 2,0,0 triggers a hardware assisted count cache flush
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 #define SEC_FTR_BCCTR_FLUSH_ASSIST	0x0000000000000800ull
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+// bcctr 2,0,0 triggers a hardware assisted link stack flush
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+#define SEC_FTR_BCCTR_LINK_FLUSH_ASSIST	0x0000000000002000ull
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 // Features indicating need for Spectre/Meltdown mitigations
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