diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-09-21 17:13:55 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-09-24 18:13:02 +0100 |
| commit | 1146fe30504a1edd8a434f500e1be139492570c9 (patch) | |
| tree | ba6dec916c23506580be7a5756dd583105da41ba /arch/mips/kernel/irq-msc01.c | |
| parent | 7bae705ef2c2daac1993de03e5be93b5c300fc5e (diff) | |
[MIPS] SMTC: Make ack_bad_irq() safe with no IM backstop.
Issue reported and original patch by Kevin Kissel, cleaner (imho)
implementation by me.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/irq-msc01.c')
| -rw-r--r-- | arch/mips/kernel/irq-msc01.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c index 410868b5ea5..1ecdd50bfc6 100644 --- a/arch/mips/kernel/irq-msc01.c +++ b/arch/mips/kernel/irq-msc01.c @@ -52,11 +52,8 @@ static void level_mask_and_ack_msc_irq(unsigned int irq) mask_msc_irq(irq); if (!cpu_has_veic) MSCIC_WRITE(MSC01_IC_EOI, 0); -#ifdef CONFIG_MIPS_MT_SMTC /* This actually needs to be a call into platform code */ - if (irq_hwmask[irq] & ST0_IM) - set_c0_status(irq_hwmask[irq] & ST0_IM); -#endif /* CONFIG_MIPS_MT_SMTC */ + smtc_im_ack_irq(irq); } /* @@ -73,10 +70,7 @@ static void edge_mask_and_ack_msc_irq(unsigned int irq) MSCIC_WRITE(MSC01_IC_SUP+irq*8, r | ~MSC01_IC_SUP_EDGE_BIT); MSCIC_WRITE(MSC01_IC_SUP+irq*8, r); } -#ifdef CONFIG_MIPS_MT_SMTC - if (irq_hwmask[irq] & ST0_IM) - set_c0_status(irq_hwmask[irq] & ST0_IM); -#endif /* CONFIG_MIPS_MT_SMTC */ + smtc_im_ack_irq(irq); } /* |