Everyone: This series contains fixes/improvements to LPUART dirver I came up with recently as well as fixes picked up from Toradex and NXP Vybrid repos. Feedback is welcome! Changes since [v1]: - Dropped "tty: serial: fsl_lpuart: Drop unnecessary sg_set_buf() call" due to being a duplicate of "tty: serial: fsl_lpuart: remove sg_set_buf() for sport->rx_sgl" - Fixed build break in "tty: serial: fsl_lpuart: Introduce lpuart_tx_dma_startup()" Thanks, Andrey Smirnov Andrey Smirnov (21): tty: serial: fsl_lpuart: Flush HW FIFOs in .flush_buffer tty: serial: fsl_lpuart: Simplify RX/TX IRQ handlers tty: serial: fsl_lpuart: Fix bogus indentation tty: serial: fsl_lpuart: Drop unnecessary uart_write_wakeup() tty: serial: fsl_lpuart: Fix issue in software flow control tty: serial: fls_lpuart: Split shared TX IRQ handler into two tty: serial: fsl_lpuart: Drop no-op bit opearation tty: serial: fsl_lpuart: Drop unnecessary extra parenthesis tty: serial: fsl_lpuart: Clear CSTOPB unconditionally tty: serial: fsl_lpuart: Use appropriate lpuart32_* I/O funcs tty: serial: fsl_lpuart: Introduce lpuart_wait_bit_set() tty: serial: fsl_lpuart: Use cpu_relax() instead of barrier() tty: serial: fsl_lpuart: Introduce lpuart_stopped_or_empty() tty: serial: fsl_lpuart: Drop unnecessary lpuart*_stop_tx() tty: serial: fsl_lpuart: Introduce lpuart_dma_shutdown() tty: serial: fsl_lpuart: Introduce lpuart_tx_dma_startup() tty: serial: fsl_lpuart: Introduce lpuart_rx_dma_startup() tty: serial: fsl_lpuart: Introduce lpuart32_configure() tty: serial: fsl_lpuart: Introduce lpuart*_setup_watermark_enable() tty: serial: fsl_lpuart: Don't enable TIE in .startup() or .resume() tty: serial: fsl_lpuart: Ignore TX/RX interrupts if DMA is enabled Stefan Agner (2): tty: serial: fsl_lpuart: fix framing error handling when using DMA tty: serial: fsl_lpuart: flush receive FIFO after overruns drivers/tty/serial/fsl_lpuart.c | 493 +++++++++++++++++--------------- 1 file changed, 261 insertions(+), 232 deletions(-) -- 2.21.0
