diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-21 10:05:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-21 10:05:22 -0700 |
| commit | c3ca48f062a37c2f79560a9b0b9f1b08039aa248 (patch) | |
| tree | 9a9a9561b155e3bb805bdbccf5cb2f715ec7bf50 /drivers/firewire/core-card.c | |
| parent | 4e76ae4406449811c0b743ccf0612ef6ffcf2acb (diff) | |
| parent | 115881d395959b75c8c3bb94913f2ce869b8aa7a (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: core: ignore link-active bit of new nodes, fix device recognition
firewire: sbp2: revert obsolete 'fix stall with "Unsolicited response"'
firewire: core: increase default SPLIT_TIMEOUT value
firewire: ohci: Misleading kfree in ohci.c::pci_probe/remove
firewire: ohci: omit IntEvent.busReset check rom AT queueing
firewire: ohci: prevent starting of iso contexts with empty queue
firewire: ohci: prevent iso completion callbacks after context stop
firewire: core: rename some variables
firewire: nosy: should work on Power Mac G4 PCI too
firewire: core: fix card->reset_jiffies overflow
firewire: cdev: remove unneeded reference
firewire: cdev: always wait for outbound transactions to complete
firewire: cdev: remove unneeded idr_find() from complete_transaction()
firewire: ohci: log dead DMA contexts
Diffstat (limited to 'drivers/firewire/core-card.c')
| -rw-r--r-- | drivers/firewire/core-card.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index 24ff35511e2b..3c44fbc81acb 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -75,6 +75,13 @@ static size_t config_rom_length = 1 + 4 + 1 + 1; #define BIB_IRMC ((1) << 31) #define NODE_CAPABILITIES 0x0c0083c0 /* per IEEE 1394 clause 8.3.2.6.5.2 */ +/* + * IEEE-1394 specifies a default SPLIT_TIMEOUT value of 800 cycles (100 ms), + * but we have to make it longer because there are many devices whose firmware + * is just too slow for that. + */ +#define DEFAULT_SPLIT_TIMEOUT (2 * 8000) + #define CANON_OUI 0x000085 static void generate_config_rom(struct fw_card *card, __be32 *config_rom) @@ -233,7 +240,7 @@ static void br_work(struct work_struct *work) /* Delay for 2s after last reset per IEEE 1394 clause 8.2.1. */ if (card->reset_jiffies != 0 && - time_is_after_jiffies(card->reset_jiffies + 2 * HZ)) { + time_before64(get_jiffies_64(), card->reset_jiffies + 2 * HZ)) { if (!schedule_delayed_work(&card->br_work, 2 * HZ)) fw_card_put(card); return; @@ -316,7 +323,8 @@ static void bm_work(struct work_struct *work) irm_id = card->irm_node->node_id; local_id = card->local_node->node_id; - grace = time_after(jiffies, card->reset_jiffies + DIV_ROUND_UP(HZ, 8)); + grace = time_after64(get_jiffies_64(), + card->reset_jiffies + DIV_ROUND_UP(HZ, 8)); if ((is_next_generation(generation, card->bm_generation) && !card->bm_abdicate) || @@ -511,10 +519,11 @@ void fw_card_initialize(struct fw_card *card, card->device = device; card->current_tlabel = 0; card->tlabel_mask = 0; - card->split_timeout_hi = 0; - card->split_timeout_lo = 800 << 19; - card->split_timeout_cycles = 800; - card->split_timeout_jiffies = DIV_ROUND_UP(HZ, 10); + card->split_timeout_hi = DEFAULT_SPLIT_TIMEOUT / 8000; + card->split_timeout_lo = (DEFAULT_SPLIT_TIMEOUT % 8000) << 19; + card->split_timeout_cycles = DEFAULT_SPLIT_TIMEOUT; + card->split_timeout_jiffies = + DIV_ROUND_UP(DEFAULT_SPLIT_TIMEOUT * HZ, 8000); card->color = 0; card->broadcast_channel = BROADCAST_CHANNEL_INITIAL; |