[PATCH net v3 02/12] net/mac89x0: Convert to platform_driver

From: Finn Thain
Date: Sat Nov 11 2017 - 01:24:24 EST


Apparently these Dayna cards don't have a pseudoslot declaration ROM
which means they can't be probed like NuBus cards.

Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
---
arch/m68k/mac/config.c | 4 +++
drivers/net/Space.c | 3 --
drivers/net/ethernet/cirrus/mac89x0.c | 64 +++++++++++++++--------------------
include/net/Space.h | 1 -
4 files changed, 32 insertions(+), 40 deletions(-)

diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index d3d435248a24..c73eb8209555 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -1088,6 +1088,10 @@ int __init mac_platform_init(void)
macintosh_config->expansion_type == MAC_EXP_PDS_COMM)
platform_device_register_simple("macsonic", -1, NULL, 0);

+ if (macintosh_config->expansion_type == MAC_EXP_PDS ||
+ macintosh_config->expansion_type == MAC_EXP_PDS_COMM)
+ platform_device_register_simple("mac89x0", -1, NULL, 0);
+
if (macintosh_config->ether_type == MAC_ETHER_MACE)
platform_device_register_simple("macmace", -1, NULL, 0);

diff --git a/drivers/net/Space.c b/drivers/net/Space.c
index 11fe71278f40..fe123808c6b8 100644
--- a/drivers/net/Space.c
+++ b/drivers/net/Space.c
@@ -117,9 +117,6 @@ static struct devprobe2 m68k_probes[] __initdata = {
#ifdef CONFIG_MAC8390 /* NuBus NS8390-based cards */
{mac8390_probe, 0},
#endif
-#ifdef CONFIG_MAC89x0
- {mac89x0_probe, 0},
-#endif
{NULL, 0},
};

diff --git a/drivers/net/ethernet/cirrus/mac89x0.c b/drivers/net/ethernet/cirrus/mac89x0.c
index f910f0f386d6..8a23d2fc0e28 100644
--- a/drivers/net/ethernet/cirrus/mac89x0.c
+++ b/drivers/net/ethernet/cirrus/mac89x0.c
@@ -93,6 +93,7 @@ static const char version[] =
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/netdevice.h>
+#include <linux/platform_device.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
@@ -105,6 +106,7 @@ static const char version[] =

#include "cs89x0.h"

+static int debug;
static unsigned int net_debug = NET_DEBUG;

/* Information that need to be kept for each board. */
@@ -176,10 +178,9 @@ static const struct net_device_ops mac89x0_netdev_ops = {

/* Probe for the CS8900 card in slot E. We won't bother looking
anywhere else until we have a really good reason to do so. */
-struct net_device * __init mac89x0_probe(int unit)
+static int mac89x0_device_probe(struct platform_device *pdev)
{
struct net_device *dev;
- static int once_is_enough;
struct net_local *lp;
static unsigned version_printed;
int i, slot;
@@ -189,20 +190,13 @@ struct net_device * __init mac89x0_probe(int unit)
int err = -ENODEV;

if (!MACH_IS_MAC)
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
+
+ net_debug = debug;

dev = alloc_etherdev(sizeof(struct net_local));
if (!dev)
- return ERR_PTR(-ENOMEM);
-
- if (unit >= 0) {
- sprintf(dev->name, "eth%d", unit);
- netdev_boot_setup_check(dev);
- }
-
- if (once_is_enough)
- goto out;
- once_is_enough = 1;
+ return -ENOMEM;

/* We might have to parameterize this later */
slot = 0xE;
@@ -228,6 +222,8 @@ struct net_device * __init mac89x0_probe(int unit)
if (sig != swab16(CHIP_EISA_ID_SIG))
goto out;

+ SET_NETDEV_DEV(dev, &pdev->dev);
+
/* Initialize the net_device structure. */
lp = netdev_priv(dev);

@@ -287,12 +283,14 @@ struct net_device * __init mac89x0_probe(int unit)
err = register_netdev(dev);
if (err)
goto out1;
- return NULL;
+
+ platform_set_drvdata(pdev, dev);
+ return 0;
out1:
nubus_writew(0, dev->base_addr + ADD_PORT);
out:
free_netdev(dev);
- return ERR_PTR(err);
+ return err;
}

#if 0
@@ -601,32 +599,26 @@ static int set_mac_address(struct net_device *dev, void *addr)
return 0;
}

-#ifdef MODULE
-
-static struct net_device *dev_cs89x0;
-static int debug;
-
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "CS89[02]0 debug level (0-5)");
MODULE_LICENSE("GPL");

-int __init
-init_module(void)
+static int mac89x0_device_remove(struct platform_device *pdev)
{
- net_debug = debug;
- dev_cs89x0 = mac89x0_probe(-1);
- if (IS_ERR(dev_cs89x0)) {
- printk(KERN_WARNING "mac89x0.c: No card found\n");
- return PTR_ERR(dev_cs89x0);
- }
+ struct net_device *dev = platform_get_drvdata(pdev);
+
+ unregister_netdev(dev);
+ nubus_writew(0, dev->base_addr + ADD_PORT);
+ free_netdev(dev);
return 0;
}

-void
-cleanup_module(void)
-{
- unregister_netdev(dev_cs89x0);
- nubus_writew(0, dev_cs89x0->base_addr + ADD_PORT);
- free_netdev(dev_cs89x0);
-}
-#endif /* MODULE */
+static struct platform_driver mac89x0_platform_driver = {
+ .probe = mac89x0_device_probe,
+ .remove = mac89x0_device_remove,
+ .driver = {
+ .name = "mac89x0",
+ },
+};
+
+module_platform_driver(mac89x0_platform_driver);
diff --git a/include/net/Space.h b/include/net/Space.h
index 8a32771e4215..a41b447e4a2c 100644
--- a/include/net/Space.h
+++ b/include/net/Space.h
@@ -20,7 +20,6 @@ struct net_device *mvme147lance_probe(int unit);
struct net_device *tc515_probe(int unit);
struct net_device *lance_probe(int unit);
struct net_device *mac8390_probe(int unit);
-struct net_device *mac89x0_probe(int unit);
struct net_device *cops_probe(int unit);
struct net_device *ltpc_probe(void);

--
2.13.6