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ppc4xx: fix UIC external_interrupt hang on UIC0
This patch fixes a UIC external_interrupt hang if critical or non-critical interrupt is set at the same time as a normal interrupt is set on UIC0. Signed-off-by: Victor Gallardo <vgallardo@amcc.com> Signed-off-by: Stefan Roese <sr@denx.de>
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@ -129,11 +129,11 @@ void external_interrupt(struct pt_regs *regs)
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uic_interrupt(UIC3_DCR_BASE, 96);
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uic_interrupt(UIC3_DCR_BASE, 96);
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#endif
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#endif
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mtdcr(uic0sr, (uic_msr & UICB0_ALL));
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if (uic_msr & ~(UICB0_ALL))
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if (uic_msr & ~(UICB0_ALL))
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uic_interrupt(UIC0_DCR_BASE, 0);
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uic_interrupt(UIC0_DCR_BASE, 0);
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mtdcr(uic0sr, uic_msr);
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return;
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return;
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}
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}
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