Hi Eric, > Il giorno 29 gen 2021, alle ore 00:37, Eric Tremblay <etremblay@xxxxxxxxxxxxxxxxxxxx> ha scritto: > > The series is mainly about the support of 8250 UART without TEMT > interrupt. I saw that there was some development in the past but > it was never merged. Since the last discussion were quite some > time ago, I was not sure if I should post a v4 over the > last v3 or start from scratch so I decided to post a new patch. Please > advice if I should have done the reverse. Please keep my and Heiko’s SoB and add your SoB too describing between [ ] what Heiko has done and what you’ve done. For example: SoB: Giulio SoB: Heiko [Heiko: ...] SoB Eric [Eric: improved timeout etc.] > > The approach is a little different from the last proposed patch which was > doing using a polling at 100us. I tought that it could be really long on > some fast baudrate and really not that long on slow baudrate. The current > approach is to calculate the time of a bytes when the settings are changed. > When we get the interrupt for the empty FIFO, it's the longer it can take > to empty the shift register. Good idea. > > The other two patches are to use that features with the PORT_16550A_FSL64 > found on some chip like the LS1043A. Do you mind to add my 8250_dw patch that was originally part of this patchset? I had to send it soon, you’ve preceded me :-) Thank you Best regards Giulio > > Thanks > > Eric Tremblay (3): > serial: 8250: Handle UART without interrupt on TEMT using em485 > serial: 8250: add compatible for fsl,16550-FIFO64 > serial: 8250: remove UART_CAP_TEMT on PORT_16550A_FSL64 > > drivers/tty/serial/8250/8250.h | 1 + > drivers/tty/serial/8250/8250_bcm2835aux.c | 2 +- > drivers/tty/serial/8250/8250_of.c | 5 ++ > drivers/tty/serial/8250/8250_omap.c | 2 +- > drivers/tty/serial/8250/8250_port.c | 89 ++++++++++++++++++++++- > include/linux/serial_8250.h | 2 + > 6 files changed, 98 insertions(+), 3 deletions(-) > > -- > 2.17.1
