Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> writes: >> static inline u32 ath11k_ahb_read32(struct ath11k_base *ab, u32 offset) >> { >> - return ioread32(ab->mem + offset); >> + switch (offset & ATH11K_REG_TYPE_MASK) { >> + case ATH11K_REG_TYPE_NORMAL: >> + return ioread32(ab->mem + FIELD_GET(ATH11K_REG_OFFSET_MASK, offset)); >> + case ATH11K_REG_TYPE_CE: >> + return ioread32(ab->mem_ce + FIELD_GET(ATH11K_REG_OFFSET_MASK, offset)); >> + default: >> + BUG(); > > you can WARN but you can't BUG (and even WARN is being discouraged) Yeah, even WARN() is risky especially in a function like this. It can cause so much log messages so that the wathdog can trigger and reboot the host. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches