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Commit 0dda0966 authored by Fabien Dessenne's avatar Fabien Dessenne Committed by Marc Zyngier
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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: f9fc1745 ("irqchip/stm32: Add host and driver data structures")
Signed-off-by: default avatarLoic Pallardy <loic.pallardy@st.com>
Signed-off-by: default avatarFabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 24105bf4

drivers/irqchip/irq-stm32-exti.c

+0 −5
Original line number Diff line number Diff line
@@ -735,11 +735,6 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data, 
	 */

	writel_relaxed(0, base + stm32_bank->imr_ofst);

	writel_relaxed(0, base + stm32_bank->emr_ofst);

	writel_relaxed(0, base + stm32_bank->rtsr_ofst);

	writel_relaxed(0, base + stm32_bank->ftsr_ofst);

	writel_relaxed(~0UL, base + stm32_bank->rpr_ofst);

	if (stm32_bank->fpr_ofst != UNDEF_REG)

		writel_relaxed(~0UL, base + stm32_bank->fpr_ofst);



	pr_info("%pOF: bank%d\n", h_data->node, bank_idx);