On Thu, Dec 29, 2022 at 4:50 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > > From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> > > The goal of this series is to update the qcom-geni-serial driver to use > the DMA mode of the QUPv3 serial engine. This is accomplished by the last > patch in the series. The previous ones contain either various tweaks, > reworks and refactoring or prepare the driver for adding DMA support. > > More work will follow on the serial engine in order to reduce code > redundancy among its users and add support for SE DMA to the qcom GENI > SPI driver. > > v5 -> v6: > - move patch 12/14 to the front of the series and mark it as a fix > - rebase on top of v6.2-rc1 (there were some updates to the driver) > > v4 -> v5: > - split patch 8/13 into two: one for splitting out the chunk sending code > and one for refactoring it (for easier review) > - when stopping uart: disable the irq first before stopping transfers in > progress, otherwise we rist rescheduling additional transfers after > interrupt > - make types even nore consistent in qcom_geni_serial_send_chunk_fifo() > > v3 -> v4: > - don't assign NULL (even cast) to variables of type dma_addr_t > - refactor checking the SE_GENI_STATUS into two inline functions > - drop min_t() in favor of regular min() after adding some consistency to types > - check if the abort command was successful and emit a message if not when > stopping TX in DMA mode > > v2 -> v3: > - drop devres patches from the series > > v1 -> v2: > - turn to_dev_uport() macro into a static inline function > - use CIRC_CNT_TO_END() and uart_xmit_advance() where applicable and don't > handle xmit->tail directly > - drop sizeof() where BYTES_PER_FIFO_WORD can be used > - further refactor qcom_geni_serial_handle_tx_fifo() > - collect review tags > > Bartosz Golaszewski (14): > tty: serial: qcom-geni-serial: stop operations in progress at shutdown > tty: serial: qcom-geni-serial: drop unneeded forward definitions > tty: serial: qcom-geni-serial: remove unused symbols > tty: serial: qcom-geni-serial: align #define values > tty: serial: qcom-geni-serial: improve the to_dev_port() macro > tty: serial: qcom-geni-serial: remove stray newlines > tty: serial: qcom-geni-serial: refactor qcom_geni_serial_isr() > tty: serial: qcom-geni-serial: remove unneeded tabs > tty: serial: qcom-geni-serial: split out the FIFO tx code > tty: serial: qcom-geni-serial: refactor > qcom_geni_serial_send_chunk_fifo() > tty: serial: qcom-geni-serial: drop the return value from handle_rx > tty: serial: qcom-geni-serial: use of_device_id data > soc: qcom-geni-se: add more symbol definitions > tty: serial: qcom-geni-serial: add support for serial engine DMA > > drivers/tty/serial/qcom_geni_serial.c | 626 +++++++++++++++++--------- > include/linux/qcom-geni-se.h | 3 + > 2 files changed, 413 insertions(+), 216 deletions(-) > > -- > 2.37.2 > It's been two weeks without any further comments, can this be picked up now into the serial tree? Bart
