581 static int write_sr_and_check(struct spi_nor *nor, u8 status_new, u8 mask)  in write_sr_and_check()  argument
586 	ret = write_sr(nor, status_new);  in write_sr_and_check()
598 	return ((ret & mask) != (status_new & mask)) ? -EIO : 0;  in write_sr_and_check()
693 	int status_old, status_new;  in stm_lock()  local
746 	status_new = (status_old & ~mask & ~SR_TB) | val;  in stm_lock()
749 	status_new |= SR_SRWD;  in stm_lock()
752 		status_new |= SR_TB;  in stm_lock()
755 	if (status_new == status_old)  in stm_lock()
759 	if ((status_new & mask) < (status_old & mask))  in stm_lock()
762 	return write_sr_and_check(nor, status_new, mask);  in stm_lock()
773 	int status_old, status_new;  in stm_unlock()  local
828 	status_new = (status_old & ~mask & ~SR_TB) | val;  in stm_unlock()
832 		status_new &= ~SR_SRWD;  in stm_unlock()
835 		status_new |= SR_TB;  in stm_unlock()
838 	if (status_new == status_old)  in stm_unlock()
842 	if ((status_new & mask) > (status_old & mask))  in stm_unlock()
845 	return write_sr_and_check(nor, status_new, mask);  in stm_unlock()