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| author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2020-01-09 13:33:47 +0100 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-10 00:30:01 +0100 |
| commit | 524c4e1fd412d122c2e2707c0b49f959c31a1dd2 (patch) | |
| tree | fac49b0b0ec758485828c2ac99a5769648b3a1da /arch/mips/include/asm/sn | |
| parent | MIPS: SGI-IP27: Use structs for decoding error status registers (diff) | |
| download | linux-524c4e1fd412d122c2e2707c0b49f959c31a1dd2.tar.xz linux-524c4e1fd412d122c2e2707c0b49f959c31a1dd2.zip | |
MIPS: SGI-IP27: Use specific get_region_shift
IP35 has a different way to find out regions, so we move the IP27
implementation to IP27 specific file.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/sn')
| -rw-r--r-- | arch/mips/include/asm/sn/sn0/hubni.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/sn0/hubni.h b/arch/mips/include/asm/sn/sn0/hubni.h index b73c4bee65f2..b8253142cb83 100644 --- a/arch/mips/include/asm/sn/sn0/hubni.h +++ b/arch/mips/include/asm/sn/sn0/hubni.h @@ -250,6 +250,14 @@ typedef union hubni_port_error_u { #define NI_LLP_CB_MAX 0xff #define NI_LLP_SN_MAX 0xff +static inline int get_region_shift(void) +{ + if (LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_REGIONSIZE_MASK) + return NASID_TO_FINEREG_SHFT; + + return NASID_TO_COARSEREG_SHFT; +} + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_SGI_SN0_HUBNI_H */ |