diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 09:03:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 09:03:46 -0700 |
| commit | cdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (patch) | |
| tree | 18c4dcc07bbb8aeb2b23bc812cd60cc293f36cd8 /arch/powerpc/kernel/irq.c | |
| parent | bbc4fd12a635492ad9d12bb418124fa2d5f0d734 (diff) | |
| parent | 42a0ae2282b512d1a8f6f020327f5f7b8f31a5ea (diff) | |
| download | kernel_samsung_espresso10-cdd854bc42b5e6c79bbbc40c6600d995ffe6e747.zip kernel_samsung_espresso10-cdd854bc42b5e6c79bbbc40c6600d995ffe6e747.tar.gz kernel_samsung_espresso10-cdd854bc42b5e6c79bbbc40c6600d995ffe6e747.tar.bz2 | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
powerpc/8xx: Add support for the MPC8xx based boards from TQC
powerpc/85xx: Introduce support for the Freescale P1022DS reference board
powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
powerpc/85xx: Change deprecated binding for 85xx-based boards
powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
powerpc/tqm85xx: update PCI interrupt-map attribute
powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
powerpc/85xx: Fix booting for P1021MDS boards
powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
powerpc/85xx: kexec for SMP 85xx BookE systems
powerpc/5200/i2c: improve i2c bus error recovery
of/xilinxfb: update tft compatible versions
powerpc/fsl-diu-fb: Support setting display mode using EDID
powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
powerpc/5121: shared DIU framebuffer support
powerpc/5121: move fsl-diu-fb.h to include/linux
powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
powerpc/512x: add clock structure for Video-IN (VIU) unit
...
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 77be3d0..8f96d31 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -64,6 +64,8 @@ #include <asm/ptrace.h> #include <asm/machdep.h> #include <asm/udbg.h> +#include <asm/dbell.h> + #ifdef CONFIG_PPC64 #include <asm/paca.h> #include <asm/firmware.h> @@ -153,14 +155,28 @@ notrace void raw_local_irq_restore(unsigned long en) if (get_hard_enabled()) return; +#if defined(CONFIG_BOOKE) && defined(CONFIG_SMP) + /* Check for pending doorbell interrupts and resend to ourself */ + doorbell_check_self(); +#endif + /* * Need to hard-enable interrupts here. Since currently disabled, * no need to take further asm precautions against preemption; but * use local_paca instead of get_paca() to avoid preemption checking. */ local_paca->hard_enabled = en; + +#ifndef CONFIG_BOOKE + /* On server, re-trigger the decrementer if it went negative since + * some processors only trigger on edge transitions of the sign bit. + * + * BookE has a level sensitive decrementer (latches in TSR) so we + * don't need that + */ if ((int)mfspr(SPRN_DEC) < 0) mtspr(SPRN_DEC, 1); +#endif /* CONFIG_BOOKE */ /* * Force the delivery of pending soft-disabled interrupts on PS3. |