diff options
author | Mike Travis <travis@sgi.com> | 2009-01-01 04:34:16 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-01-03 20:53:31 +0300 |
commit | 7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch) | |
tree | ef1a3beae706b9497c845d0a2557ceb4d2754998 /drivers/net/wireless/rt2x00/rt2x00pci.c | |
parent | 6092848a2a23b660150a38bc06f59d75838d70c8 (diff) | |
parent | 8c384cdee3e04d6194a2c2b192b624754f990835 (diff) | |
download | linux-7eb19553369c46cc1fa64caf120cbcab1b597f7c.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts:
arch/x86/kernel/io_apic.c
kernel/rcuclassic.c
kernel/sched.c
kernel/time/tick-sched.c
Signed-off-by: Mike Travis <travis@sgi.com>
[ mingo@elte.hu: backmerged typo fix for io_apic.c ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.c')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index adf2876ed8ab..d52b22b82d1f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -32,24 +32,46 @@ #include "rt2x00pci.h" /* + * Register access. + */ +int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + const struct rt2x00_field32 field, + u32 *reg) +{ + unsigned int i; + + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { + rt2x00pci_register_read(rt2x00dev, offset, reg); + if (!rt2x00_get_field32(*reg, field)) + return 1; + udelay(REGISTER_BUSY_DELAY); + } + + ERROR(rt2x00dev, "Indirect register access failed: " + "offset=0x%.08x, value=0x%.08x\n", offset, *reg); + *reg = ~0; + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read); + +/* * TX data handlers. */ int rt2x00pci_write_tx_data(struct queue_entry *entry) { + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; struct skb_frame_desc *skbdesc; - u32 word; - - rt2x00_desc_read(entry_priv->desc, 0, &word); /* * This should not happen, we already checked the entry * was ours. When the hardware disagrees there has been * a queue corruption! */ - if (unlikely(rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) || - rt2x00_get_field32(word, TXD_ENTRY_VALID))) { - ERROR(entry->queue->rt2x00dev, + if (unlikely(rt2x00dev->ops->lib->get_entry_state(entry))) { + ERROR(rt2x00dev, "Corrupt queue %d, accessing entry which is not ours.\n" "Please file bug report to %s.\n", entry->queue->qid, DRV_PROJECT); @@ -76,14 +98,12 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) struct queue_entry *entry; struct queue_entry_priv_pci *entry_priv; struct skb_frame_desc *skbdesc; - u32 word; while (1) { entry = rt2x00queue_get_entry(queue, Q_INDEX); entry_priv = entry->priv_data; - rt2x00_desc_read(entry_priv->desc, 0, &word); - if (rt2x00_get_field32(word, RXD_ENTRY_OWNER_NIC)) + if (rt2x00dev->ops->lib->get_entry_state(entry)) break; /* @@ -222,8 +242,7 @@ static int rt2x00pci_alloc_reg(struct rt2x00_dev *rt2x00dev) { struct pci_dev *pci_dev = to_pci_dev(rt2x00dev->dev); - rt2x00dev->csr.base = ioremap(pci_resource_start(pci_dev, 0), - pci_resource_len(pci_dev, 0)); + rt2x00dev->csr.base = pci_ioremap_bar(pci_dev, 0); if (!rt2x00dev->csr.base) goto exit; |