Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=156864f806baa4e1aa6eabd28ac45ecc92b31315 Commit: 156864f806baa4e1aa6eabd28ac45ecc92b31315 Parent: 9ebbec27da6d7f4762b73985ac4929acf061d48b Author: Marc Pignat <[EMAIL PROTECTED]> AuthorDate: Mon Dec 3 12:58:24 2007 +0100 Committer: Russell King <[EMAIL PROTECTED]> CommitDate: Sat Jan 26 15:00:30 2008 +0000
[ARM] 4688/1: at91: speed-up irq processing Save N instructions on every interrupt processing (where N is the number of interrupts processed in any one IRQ exception). Signed-off-by: Marc Pignat <[EMAIL PROTECTED]> Acked-by: Andrew Victor <[EMAIL PROTECTED]> Signed-off-by: Russell King <[EMAIL PROTECTED]> --- include/asm-arm/arch-at91/entry-macro.S | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/asm-arm/arch-at91/entry-macro.S b/include/asm-arm/arch-at91/entry-macro.S index cc1d850..1005eee 100644 --- a/include/asm-arm/arch-at91/entry-macro.S +++ b/include/asm-arm/arch-at91/entry-macro.S @@ -17,13 +17,13 @@ .endm .macro get_irqnr_preamble, base, tmp + ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral .endm .macro arch_ret_to_user, tmp1, tmp2 .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html