Date: Wed, 17 Sep 2008 23:29:38 GMT From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 149978 for review Message-ID: <200809172329.m8HNTc8H095714@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=149978 Change 149978 by peter@peter_daintree on 2008/09/17 23:29:09 Clone another kludge_unit() hack for uart. uart_puc_kludge_unit(). Affected files ... .. //depot/projects/hammer/sys/dev/uart/uart_bus_puc.c#4 edit Differences ... ==== //depot/projects/hammer/sys/dev/uart/uart_bus_puc.c#4 (text+ko) ==== @@ -44,6 +44,7 @@ #include <dev/uart/uart_bus.h> static int uart_puc_probe(device_t dev); +static int uart_puc_attach(device_t dev); static device_method_t uart_puc_methods[] = { /* Device interface */ @@ -84,4 +85,40 @@ return (uart_bus_probe(dev, 0, rclk, 0, 0)); } +/* + * Don't cut and paste this to other drivers. It is a horrible kludge + * which will fail to work and also be unnecessary in future versions. + */ +static void +uart_puc_kludge_unit(device_t dev) +{ + devclass_t dc; + int err; + int start; + int unit; + + unit = 0; + start = 0; + while (resource_int_value("uart", unit, "port", &start) == 0 && + start > 0) + unit++; + if (device_get_unit(dev) < unit) { + dc = device_get_devclass(dev); + while (devclass_get_device(dc, unit)) + unit++; + device_printf(dev, "moving to uart%d\n", unit); + err = device_set_unit(dev, unit); /* EVIL DO NOT COPY */ + if (err) + device_printf(dev, "error moving device %d\n", err); + } +} + +static int +uart_bus_attach(device_t dev) +{ + + uart_puc_kludge_unit(dev); + return (uart_bus_attach(dev)); +} + DRIVER_MODULE(uart, puc, uart_puc_driver, uart_devclass, 0, 0);
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