commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=cc6709ad6d88cb83e45df6ffd7e4a1f4b5882c48 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/trunk
For parts with more than one SIC_IWR, we can optimize the writing a little bit using better Blackfin insns. Signed-off-by: Mike Frysinger <[email protected]> --- arch/blackfin/mach-common/dpmc_modes.S | 15 ++++++--------- 1 files changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/blackfin/mach-common/dpmc_modes.S b/arch/blackfin/mach-common/dpmc_modes.S index 6ecc64e..3fba05c 100644 --- a/arch/blackfin/mach-common/dpmc_modes.S +++ b/arch/blackfin/mach-common/dpmc_modes.S @@ -239,21 +239,18 @@ ENDPROC(_unset_dram_srfs) ENTRY(_set_sic_iwr) #ifdef SIC_IWR0 - P0.H = hi(SIC_IWR0); - P0.L = lo(SIC_IWR0); - P1.H = hi(SIC_IWR1); - P1.L = lo(SIC_IWR1); - [P1] = R1; + P0.H = hi(SYSMMR_BASE); + P0.L = lo(SYSMMR_BASE); + [P0 + (SIC_IWR0 - SYSMMR_BASE)] = R0; + [P0 + (SIC_IWR1 - SYSMMR_BASE)] = R1; # ifdef SIC_IWR2 - P1.H = hi(SIC_IWR2); - P1.L = lo(SIC_IWR2); - [P1] = R2; + [P0 + (SIC_IWR2 - SYSMMR_BASE)] = R2; # endif #else P0.H = hi(SIC_IWR); P0.L = lo(SIC_IWR); -#endif [P0] = R0; +#endif SSYNC; RTS;
_______________________________________________ Linux-kernel-commits mailing list [email protected] https://blackfin.uclinux.org/mailman/listinfo/linux-kernel-commits
