Messages in this thread | | | Subject | Re: [PATCH] serial: amba-pl011: add RS485 support | From | Lino Sanfilippo <> | Date | Thu, 17 Jun 2021 19:44:21 +0200 |
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Hi,
On 16.06.21 at 08:18, Jiri Slaby wrote: mdelay(port->rs485.delay_rts_before_send); > > This is up to 1 second delay with interrupts disabled. Definitely not nice. 8250 clamps this to 100 ms at least, why did you choose 1000 ms? >
AFAICS the 8250 driver does not clamp values read from the device tree property "rs485-rts-delay" (set by uart_get_rs485_mode()). Is this on purpose?
Regards, Lino
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