diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-08-03 14:40:16 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-08-29 10:53:35 +1000 |
| commit | 8d15a3e55f49678b0900dcf5c1cddb322a129325 (patch) | |
| tree | c86205bde42833c25bf2f3b51f8b67f9d4e52a22 /include/asm-ppc64 | |
| parent | 1ababe11480d59d75be806804c71fa55d203a5a6 (diff) | |
[PATCH] ppc64: make firmware_has_feature() stronger
Make firmware_has_feature() evaluate at compile time for the non pSeries
case and tidy up code where possible.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc64')
| -rw-r--r-- | include/asm-ppc64/firmware.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/asm-ppc64/firmware.h b/include/asm-ppc64/firmware.h index 5bb5bf46bb4..e3725f3c8ea 100644 --- a/include/asm-ppc64/firmware.h +++ b/include/asm-ppc64/firmware.h @@ -45,6 +45,22 @@ #define FW_FEATURE_MULTITCE (1UL<<19) #define FW_FEATURE_SPLPAR (1UL<<20) +enum { + FW_FEATURE_PSERIES = FW_FEATURE_PFT | FW_FEATURE_TCE | + FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | + FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | + FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | + FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | + FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | + FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | + FW_FEATURE_SPLPAR, + FW_FEATURE_POSSIBLE = +#ifdef CONFIG_PPC_PSERIES + FW_FEATURE_PSERIES | +#endif + 0, +}; + /* This is used to identify firmware features which are available * to the kernel. */ @@ -52,15 +68,17 @@ extern unsigned long ppc64_firmware_features; static inline unsigned long firmware_has_feature(unsigned long feature) { - return ppc64_firmware_features & feature; + return ppc64_firmware_features & feature & FW_FEATURE_POSSIBLE; } +#ifdef CONFIG_PPC_PSERIES typedef struct { unsigned long val; char * name; } firmware_feature_t; extern firmware_feature_t firmware_features_table[]; +#endif #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |