Messages in this thread Patch in this message | | | Date | Mon, 16 Aug 2004 05:57:03 -0700 | From | Tony Lindgren <> | Subject | [PATCH 1/2]: Serial 8250 optionally skip autodetection |
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Hi Russell,
Following patch allows 8250 compatible serial drivers to optionally define the port type to allow skipping the serial port autodetection.
This is needed for OMAP serial port, which is 8250 compatible, but requires extra FIFO settings, and does not reliably work with the autodetection. The OMAP serial port support is in patch 2/2.
Regards,
Tony diff -Nru a/drivers/serial/8250.c b/drivers/serial/8250.c --- a/drivers/serial/8250.c 2004-08-16 05:15:19 -07:00 +++ b/drivers/serial/8250.c 2004-08-16 05:15:19 -07:00 @@ -2056,6 +2056,7 @@ { struct uart_port port; + port.type = req->type; port.iobase = req->port; port.membase = req->iomem_base; port.irq = req->irq; @@ -2063,9 +2064,12 @@ port.fifosize = req->xmit_fifo_size; port.regshift = req->iomem_reg_shift; port.iotype = req->io_type; - port.flags = req->flags | UPF_BOOT_AUTOCONF; + port.flags = req->flags; port.mapbase = req->iomap_base; port.line = line; + + if (req->type != PORT_OMAP) + req->flags |= UPF_BOOT_AUTOCONF; if (share_irqs) port.flags |= UPF_SHARE_IRQ; diff -Nru a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c --- a/drivers/serial/serial_core.c 2004-08-16 05:15:19 -07:00 +++ b/drivers/serial/serial_core.c 2004-08-16 05:15:19 -07:00 @@ -2375,6 +2375,7 @@ * If the port is already initialised, don't touch it. */ if (state->port->type == PORT_UNKNOWN) { + state->port->type = port->type; state->port->iobase = port->iobase; state->port->membase = port->membase; state->port->irq = port->irq; | |