diff options
author | David S. Miller <davem@davemloft.net> | 2008-03-18 00:37:55 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-03-18 00:37:55 -0700 |
commit | 577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch) | |
tree | 0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /drivers/sh/maple | |
parent | 26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff) | |
parent | 2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff) | |
download | linux-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/rt2x00/rt2x00dev.c
net/8021q/vlan_dev.c
Diffstat (limited to 'drivers/sh/maple')
-rw-r--r-- | drivers/sh/maple/maple.c | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c index 9cfcfd8dad5e..617efb1640b1 100644 --- a/drivers/sh/maple/maple.c +++ b/drivers/sh/maple/maple.c @@ -1,7 +1,7 @@ /* * Core maple bus functionality * - * Copyright (C) 2007 Adrian McMenamin + * Copyright (C) 2007, 2008 Adrian McMenamin * * Based on 2.4 code by: * @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/device.h> -#include <linux/module.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/io.h> @@ -54,7 +53,7 @@ static struct device maple_bus; static int subdevice_map[MAPLE_PORTS]; static unsigned long *maple_sendbuf, *maple_sendptr, *maple_lastptr; static unsigned long maple_pnp_time; -static int started, scanning, liststatus, realscan; +static int started, scanning, liststatus, fullscan; static struct kmem_cache *maple_queue_cache; struct maple_device_specify { @@ -62,6 +61,9 @@ struct maple_device_specify { int unit; }; +static bool checked[4]; +static struct maple_device *baseunits[4]; + /** * maple_driver_register - register a device driver * automatically makes the driver bus a maple bus @@ -309,11 +311,9 @@ static void maple_attach_driver(struct maple_device *mdev) else break; - if (realscan) { - printk(KERN_INFO "Maple device detected: %s\n", - mdev->product_name); - printk(KERN_INFO "Maple device: %s\n", mdev->product_licence); - } + printk(KERN_INFO "Maple device detected: %s\n", + mdev->product_name); + printk(KERN_INFO "Maple device: %s\n", mdev->product_licence); function = be32_to_cpu(mdev->devinfo.function); @@ -323,10 +323,9 @@ static void maple_attach_driver(struct maple_device *mdev) mdev->driver = &maple_dummy_driver; sprintf(mdev->dev.bus_id, "%d:0.port", mdev->port); } else { - if (realscan) - printk(KERN_INFO - "Maple bus at (%d, %d): Function 0x%lX\n", - mdev->port, mdev->unit, function); + printk(KERN_INFO + "Maple bus at (%d, %d): Function 0x%lX\n", + mdev->port, mdev->unit, function); matched = bus_for_each_drv(&maple_bus_type, NULL, mdev, @@ -334,9 +333,8 @@ static void maple_attach_driver(struct maple_device *mdev) if (matched == 0) { /* Driver does not exist yet */ - if (realscan) - printk(KERN_INFO - "No maple driver found.\n"); + printk(KERN_INFO + "No maple driver found.\n"); mdev->driver = &maple_dummy_driver; } sprintf(mdev->dev.bus_id, "%d:0%d.%lX", mdev->port, @@ -472,9 +470,12 @@ static void maple_response_none(struct maple_device *mdev, maple_detach_driver(mdev); return; } - if (!started) { - printk(KERN_INFO "No maple devices attached to port %d\n", - mdev->port); + if (!started || !fullscan) { + if (checked[mdev->port] == false) { + checked[mdev->port] = true; + printk(KERN_INFO "No maple devices attached" + " to port %d\n", mdev->port); + } return; } maple_clean_submap(mdev); @@ -485,8 +486,14 @@ static void maple_response_devinfo(struct maple_device *mdev, char *recvbuf) { char submask; - if ((!started) || (scanning == 2)) { - maple_attach_driver(mdev); + if (!started || (scanning == 2) || !fullscan) { + if ((mdev->unit == 0) && (checked[mdev->port] == false)) { + checked[mdev->port] = true; + maple_attach_driver(mdev); + } else { + if (mdev->unit != 0) + maple_attach_driver(mdev); + } return; } if (mdev->unit == 0) { @@ -505,6 +512,7 @@ static void maple_dma_handler(struct work_struct *work) struct maple_device *dev; char *recvbuf; enum maple_code code; + int i; if (!maple_dma_done()) return; @@ -557,6 +565,19 @@ static void maple_dma_handler(struct work_struct *work) } else scanning = 0; + if (!fullscan) { + fullscan = 1; + for (i = 0; i < MAPLE_PORTS; i++) { + if (checked[i] == false) { + fullscan = 0; + dev = baseunits[i]; + dev->mq->command = + MAPLE_COMMAND_DEVINFO; + dev->mq->length = 0; + maple_add_packet(dev->mq); + } + } + } if (started == 0) started = 1; } @@ -694,7 +715,9 @@ static int __init maple_bus_init(void) /* setup maple ports */ for (i = 0; i < MAPLE_PORTS; i++) { + checked[i] = false; mdev[i] = maple_alloc_dev(i, 0); + baseunits[i] = mdev[i]; if (!mdev[i]) { while (i-- > 0) maple_free_dev(mdev[i]); @@ -703,12 +726,9 @@ static int __init maple_bus_init(void) mdev[i]->mq->command = MAPLE_COMMAND_DEVINFO; mdev[i]->mq->length = 0; maple_add_packet(mdev[i]->mq); - /* delay aids hardware detection */ - mdelay(5); subdevice_map[i] = 0; } - realscan = 1; /* setup maplebus hardware */ maplebus_dma_reset(); /* initial detection */ |