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Allow UART_POLL_FREQ to be set as a kernel option as well as via tunable

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(the code was already set up for this, just needs to be in conf/options).

Also, if reporting that polling is being used, report the frequency too.
This commit is contained in:
Ian Lepore 2013-08-19 15:51:30 +00:00
parent c438c6eb70
commit 1662b00871
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=254534
3 changed files with 5 additions and 2 deletions
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2
sys/conf/NOTES
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@ -1801,6 +1801,8 @@ device uart
# Options for uart(4)
options UART_PPS_ON_CTS # Do time pulse capturing using CTS
# instead of DCD.
options UART_POLL_FREQ # Set polling rate, used when hw has
# no interrupt support (50 Hz default).
# The following hint should only be used for pure ISA devices. It is not
# needed otherwise. Use of hints is strongly discouraged.

3
sys/conf/options
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@ -641,8 +641,9 @@ BKTR_SIS_VIA_MODE opt_bktr.h
BKTR_USE_FREEBSD_SMBUS opt_bktr.h
BKTR_NEW_MSP34XX_DRIVER opt_bktr.h
# Options to support PPS
# Options for uart(4)
UART_PPS_ON_CTS opt_uart.h
UART_POLL_FREQ opt_uart.h
# options for bus/device framework
BUS_DEBUG opt_bus.h

2
sys/dev/uart/uart_core.c
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@ -537,7 +537,7 @@ uart_bus_attach(device_t dev)
sep = ", ";
}
if (sc->sc_polled) {
printf("%spolled mode", sep);
printf("%spolled mode (%dHz)", sep, uart_poll_freq);
sep = ", ";
}
printf("\n");