irqchip/stm32: Don't clear rising/falling config registers at init
Falling and rising configuration and status registers are not banked.
As they are shared with M4 co-processor, they should not be cleared
at probe time, else M4 co-processor configuration will be lost.
Fixes: f9fc174550
("irqchip/stm32: Add host and driver data structures")
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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@ -735,11 +735,6 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data,
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*/
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writel_relaxed(0, base + stm32_bank->imr_ofst);
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writel_relaxed(0, base + stm32_bank->emr_ofst);
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writel_relaxed(0, base + stm32_bank->rtsr_ofst);
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writel_relaxed(0, base + stm32_bank->ftsr_ofst);
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writel_relaxed(~0UL, base + stm32_bank->rpr_ofst);
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if (stm32_bank->fpr_ofst != UNDEF_REG)
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writel_relaxed(~0UL, base + stm32_bank->fpr_ofst);
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pr_info("%pOF: bank%d\n", h_data->node, bank_idx);
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