ftsr_cache 61 drivers/irqchip/irq-stm32-exti.c u32 ftsr_cache; ftsr_cache 356 drivers/irqchip/irq-stm32-exti.c chip_data->ftsr_cache = readl_relaxed(base + stm32_bank->ftsr_ofst); ftsr_cache 369 drivers/irqchip/irq-stm32-exti.c writel_relaxed(chip_data->ftsr_cache, base + stm32_bank->ftsr_ofst);