Re: [RESEND 1] 8250_hp300: unuse register_serial/unregister_serial

From: Russell King
Date: Mon Apr 04 2005 - 09:07:40 EST


On Mon, Apr 04, 2005 at 03:43:32PM +0200, Kars de Jong wrote:
> Sorry, I've been busy the past few days (getting married and stuff), I
> did look at the patch but didn't get around to send a reply.

Congrats.

> I needed the following extra changes, after that it compiles and works
> on my HP300:
>
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
> ttyS0 at MMIO 0x690011 (irq = 5) is a 16550A
> ttyS1 at MMIO 0x41c040 (irq = 0) is a 16550
> ttyS2 at MMIO 0x41c060 (irq = 0) is a 16550

Thanks for testing. I've incorporated your changes. One question - do
you need linux/serial.h included in there?

I attach the updated patch.

diff -up -x BitKeeper -x ChangeSet -x SCCS -x _xlk -x *.orig -x *.rej orig/drivers/serial/8250_hp300.c linux/drivers/serial/8250_hp300.c
--- orig/drivers/serial/8250_hp300.c Mon Nov 15 09:16:28 2004
+++ linux/drivers/serial/8250_hp300.c Mon Apr 4 15:03:31 2005
@@ -9,15 +9,14 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kernel.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
#include <linux/serial_core.h>
#include <linux/delay.h>
#include <linux/dio.h>
#include <linux/console.h>
#include <asm/io.h>

+#include "8250.h"
+
#if !defined(CONFIG_HPDCA) && !defined(CONFIG_HPAPCI)
#warning CONFIG_8250 defined but neither CONFIG_HPDCA nor CONFIG_HPAPCI defined, are you sure?
#endif
@@ -163,7 +162,7 @@ int __init hp300_setup_serial_console(vo
static int __devinit hpdca_init_one(struct dio_dev *d,
const struct dio_device_id *ent)
{
- struct serial_struct serial_req;
+ struct uart_port port;
int line;

#ifdef CONFIG_SERIAL_8250_CONSOLE
@@ -172,21 +171,22 @@ static int __devinit hpdca_init_one(stru
return 0;
}
#endif
- memset(&serial_req, 0, sizeof(struct serial_struct));
+ memset(&port, 0, sizeof(struct uart_port));

/* Memory mapped I/O */
- serial_req.io_type = SERIAL_IO_MEM;
- serial_req.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
- serial_req.irq = d->ipl;
- serial_req.baud_base = HPDCA_BAUD_BASE;
- serial_req.iomap_base = (d->resource.start + UART_OFFSET);
- serial_req.iomem_base = (char *)(serial_req.iomap_base + DIO_VIRADDRBASE);
- serial_req.iomem_reg_shift = 1;
- line = register_serial(&serial_req);
+ port.iotype = UPIO_MEM;
+ port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
+ port.irq = d->ipl;
+ port.uartclk = HPDCA_BAUD_BASE * 16;
+ port.mapbase = (d->resource.start + UART_OFFSET);
+ port.membase = (char *)(port.mapbase + DIO_VIRADDRBASE);
+ port.regshift = 1;
+ port.dev = &d->dev;
+ line = serial8250_register_port(&port);

if (line < 0) {
printk(KERN_NOTICE "8250_hp300: register_serial() DCA scode %d"
- " irq %d failed\n", d->scode, serial_req.irq);
+ " irq %d failed\n", d->scode, port.irq);
return -ENOMEM;
}

@@ -209,7 +209,7 @@ static int __init hp300_8250_init(void)
#ifdef CONFIG_HPAPCI
int line;
unsigned long base;
- struct serial_struct serial_req;
+ struct uart_port uport;
struct hp300_port *port;
int i;
#endif
@@ -251,25 +251,25 @@ static int __init hp300_8250_init(void)
if (!port)
return -ENOMEM;

- memset(&serial_req, 0, sizeof(struct serial_struct));
+ memset(&uport, 0, sizeof(struct uart_port));

base = (FRODO_BASE + FRODO_APCI_OFFSET(i));

/* Memory mapped I/O */
- serial_req.io_type = SERIAL_IO_MEM;
- serial_req.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
+ uport.iotype = UPIO_MEM;
+ uport.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
/* XXX - no interrupt support yet */
- serial_req.irq = 0;
- serial_req.baud_base = HPAPCI_BAUD_BASE;
- serial_req.iomap_base = base;
- serial_req.iomem_base = (char *)(serial_req.iomap_base + DIO_VIRADDRBASE);
- serial_req.iomem_reg_shift = 2;
+ uport.irq = 0;
+ uport.uartclk = HPAPCI_BAUD_BASE * 16;
+ uport.mapbase = base;
+ uport.membase = (char *)(base + DIO_VIRADDRBASE);
+ uport.regshift = 2;

- line = register_serial(&serial_req);
+ line = serial8250_register_port(&uport);

if (line < 0) {
printk(KERN_NOTICE "8250_hp300: register_serial() APCI %d"
- " irq %d failed\n", i, serial_req.irq);
+ " irq %d failed\n", i, uport.irq);
kfree(port);
continue;
}
@@ -299,7 +299,7 @@ static void __devexit hpdca_remove_one(s
/* Disable board-interrupts */
out_8(d->resource.start + DIO_VIRADDRBASE + DCA_IC, 0);
}
- unregister_serial(line);
+ serial8250_unregister_port(line);
}
#endif

@@ -309,7 +309,7 @@ static void __exit hp300_8250_exit(void)
struct hp300_port *port, *to_free;

for (port = hp300_ports; port; ) {
- unregister_serial(port->line);
+ serial8250_unregister_port(port->line);
to_free = port;
port = port->next;
kfree(to_free);


--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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