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ARC: Reset the value of Interrupt Priority Register
In case bootloader has changed the priority of one/more IRQ lines Reported-by: Noam Camus <noamc@ezchip.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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@ -39,10 +39,14 @@ void arc_init_IRQ(void)
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level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5;
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level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5;
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level_mask |= IS_ENABLED(CONFIG_ARC_IRQ6_LV2) << 6;
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level_mask |= IS_ENABLED(CONFIG_ARC_IRQ6_LV2) << 6;
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if (level_mask) {
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/*
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* Write to register, even if no LV2 IRQs configured to reset it
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* in case bootloader had mucked with it
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*/
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write_aux_reg(AUX_IRQ_LEV, level_mask);
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if (level_mask)
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pr_info("Level-2 interrupts bitset %x\n", level_mask);
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pr_info("Level-2 interrupts bitset %x\n", level_mask);
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write_aux_reg(AUX_IRQ_LEV, level_mask);
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}
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}
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}
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/*
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/*
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