Merge tag 'irqchip-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm...

[platform/kernel/linux-rpi.git] / drivers / irqchip / irq-stm32-exti.c

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index a93296b..7bd1d4c 100644 (file)
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -716,7 +716,6 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data,
        const struct stm32_exti_bank *stm32_bank;
        struct stm32_exti_chip_data *chip_data;
        void __iomem *base = h_data->base;
-       u32 irqs_mask;
 
        stm32_bank = h_data->drv_data->exti_banks[bank_idx];
        chip_data = &h_data->chips_data[bank_idx];
@@ -725,21 +724,12 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data,
 
        raw_spin_lock_init(&chip_data->rlock);
 
-       /* Determine number of irqs supported */
-       writel_relaxed(~0UL, base + stm32_bank->rtsr_ofst);
-       irqs_mask = readl_relaxed(base + stm32_bank->rtsr_ofst);
-
        /*
         * This IP has no reset, so after hot reboot we should
         * clear registers to avoid residue
         */
        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);