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| author | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
|---|---|---|
| committer | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
| commit | b2d58e506b33b18574807e63007e87ebca0f9c07 (patch) | |
| tree | fc2afd772ba5cdac0dd091f65c492695b27d9a17 /drivers/usb/musb/musb_cppi41.c | |
| parent | 2bbe09ef71ce8446ba0b3e29df2099150e9e6fdf (diff) | |
| parent | eb985cb9b5e02d470870617b41fa51a1d9360c7f (diff) | |
| download | linux-fsl-qoriq-b2d58e506b33b18574807e63007e87ebca0f9c07.tar.xz | |
Merge branch 'qoriq-sdk' into LS1-SDK
Diffstat (limited to 'drivers/usb/musb/musb_cppi41.c')
| -rw-r--r-- | drivers/usb/musb/musb_cppi41.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 0c593af..77b475a 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -190,10 +190,11 @@ static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer) } } - if (!list_empty(&controller->early_tx_list)) { + if (!list_empty(&controller->early_tx_list) && + !hrtimer_is_queued(&controller->early_tx)) { ret = HRTIMER_RESTART; hrtimer_forward_now(&controller->early_tx, - ktime_set(0, 150 * NSEC_PER_USEC)); + ktime_set(0, 50 * NSEC_PER_USEC)); } spin_unlock_irqrestore(&musb->lock, flags); @@ -266,9 +267,11 @@ static void cppi41_dma_callback(void *private_data) } list_add_tail(&cppi41_channel->tx_check, &controller->early_tx_list); - if (!hrtimer_active(&controller->early_tx)) { + if (!hrtimer_is_queued(&controller->early_tx)) { + unsigned long usecs = cppi41_channel->total_len / 10; + hrtimer_start_range_ns(&controller->early_tx, - ktime_set(0, 140 * NSEC_PER_USEC), + ktime_set(0, usecs * NSEC_PER_USEC), 40 * NSEC_PER_USEC, HRTIMER_MODE_REL); } @@ -583,9 +586,9 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) ret = of_property_read_string_index(np, "dma-names", i, &str); if (ret) goto err; - if (!strncmp(str, "tx", 2)) + if (strstarts(str, "tx")) is_tx = 1; - else if (!strncmp(str, "rx", 2)) + else if (strstarts(str, "rx")) is_tx = 0; else { dev_err(dev, "Wrong dmatype %s\n", str); |