Commits
Fugang Duan committed 61e7349e478
MLK-15094 tty: serial: fsl_lpuart: check dma_tx_in_progress in callback There have a corner case that tx DMA .callback() is comming after .flush_buffer(), then .callback() should check dma_tx_in_progress flag and return in directly. Signed-off-by: Fugang Duan <fugang.duan@nxp.com>