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| author | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:15 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:59 +0200 |
| commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
| tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /drivers/firewire/core-card.c | |
| parent | ath9k_hw: don't touch with treewide double semicolon removal (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecr... (diff) | |
| download | linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.zip | |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
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; |