diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 88ce1e831221..fbcbb500ca74 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -834,7 +834,6 @@ err: if (retval == 0) retval = -ENODEV; CX18_ERR("Error %d on initialization\n", retval); - cx18_log_statistics(cx); i = cx->num; spin_lock(&cx18_cards_lock); @@ -951,7 +950,6 @@ static void cx18_remove(struct pci_dev *pci_dev) pci_disable_device(cx->dev); - cx18_log_statistics(cx); CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); } diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index f06290d32ecf..6e4c90e6cc7c 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -367,11 +367,6 @@ struct cx18_i2c_algo_callback_data { }; #define CX18_MAX_MMIO_WR_RETRIES 10 -#define CX18_MAX_MB_ACK_DELAY 100 - -struct cx18_mbox_stats { - atomic_t mb_ack_delay[CX18_MAX_MB_ACK_DELAY+1]; -}; /* Struct to hold info about cx18 cards */ struct cx18 { @@ -467,9 +462,6 @@ struct cx18 { u32 gpio_val; struct mutex gpio_lock; - /* Statistics */ - struct cx18_mbox_stats mbox_stats; - /* v4l2 and User settings */ /* codec settings */ diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index c6f1d0d7f2c2..ec5b3d7bcc6b 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -24,20 +24,6 @@ #include "cx18-io.h" #include "cx18-irq.h" -void cx18_log_statistics(struct cx18 *cx) -{ - int i; - - if (!(cx18_debug & CX18_DBGFLG_INFO)) - return; - - for (i = 0; i <= CX18_MAX_MB_ACK_DELAY; i++) - if (atomic_read(&cx->mbox_stats.mb_ack_delay[i])) - CX18_DEBUG_INFO("mb_ack_delay[%d] = %d\n", i, - atomic_read(&cx->mbox_stats.mb_ack_delay[i])); - return; -} - void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) { u8 __iomem *dst = addr; diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h index 73321fb4cbf5..e6716dcb1e8b 100644 --- a/drivers/media/video/cx18/cx18-io.h +++ b/drivers/media/video/cx18/cx18-io.h @@ -34,10 +34,6 @@ * *read* functions never retry the mmio (it never helps to do so) */ -/* Statistics gathering */ - -void cx18_log_statistics(struct cx18 *cx); - /* Non byteswapping memory mapped IO */ static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) { diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index f0ca50f5fdde..a0e667362cb5 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -752,7 +752,6 @@ static int cx18_log_status(struct file *file, void *fh) CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)cx->mpg_data_received, (long long)cx->vbi_data_inserted); - cx18_log_statistics(cx); CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); return 0; } diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index abd39aaa345c..79647c6d6c55 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -462,13 +462,6 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) * Functions called from a non-interrupt, non work_queue context */ -static void cx18_api_log_ack_delay(struct cx18 *cx, int msecs) -{ - if (msecs > CX18_MAX_MB_ACK_DELAY) - msecs = CX18_MAX_MB_ACK_DELAY; - atomic_inc(&cx->mbox_stats.mb_ack_delay[msecs]); -} - static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) { const struct cx18_api_info *info = find_api_info(cmd); @@ -523,7 +516,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) */ state = cx18_readl(cx, xpu_state); req = cx18_readl(cx, &mb->request); - timeout = msecs_to_jiffies(20); /* 1 field at 50 Hz vertical refresh */ + timeout = msecs_to_jiffies(10); ret = wait_event_timeout(*waitq, (ack = cx18_readl(cx, &mb->ack)) == req, timeout); @@ -533,8 +526,8 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) CX18_ERR("mbox was found stuck busy when setting up for %s; " "clearing busy and trying to proceed\n", info->name); } else if (ret != timeout) - CX18_DEBUG_API("waited %u usecs for busy mbox to be acked\n", - jiffies_to_usecs(timeout-ret)); + CX18_DEBUG_API("waited %u msecs for busy mbox to be acked\n", + jiffies_to_msecs(timeout-ret)); /* Build the outgoing mailbox */ req = ((req & 0xfffffffe) == 0xfffffffe) ? 1 : req + 1; @@ -548,10 +541,8 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) /* * Notify the XPU and wait for it to send an Ack back - * 21 ms = ~ 0.5 frames at a frame rate of 24 fps - * 42 ms = ~ 1 frame at a frame rate of 24 fps */ - timeout = msecs_to_jiffies((info->flags & API_FAST) ? 21 : 42); + timeout = msecs_to_jiffies((info->flags & API_FAST) ? 10 : 20); CX18_DEBUG_HI_IRQ("sending interrupt SW1: %x to send %s\n", irq, info->name); @@ -561,27 +552,19 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) *waitq, cx18_readl(cx, &mb->ack) == cx18_readl(cx, &mb->request), timeout); + if (ret == 0) { /* Timed out */ mutex_unlock(mb_lock); - i = jiffies_to_msecs(timeout); - cx18_api_log_ack_delay(cx, i); CX18_WARN("sending %s timed out waiting %d msecs for RPU " - "acknowledgement\n", info->name, i); + "acknowledgement\n", + info->name, jiffies_to_msecs(timeout)); return -EINVAL; - } else if (ret < 0) { - /* Interrupted */ - mutex_unlock(mb_lock); - CX18_WARN("sending %s was interrupted waiting for RPU" - "acknowledgement\n", info->name); - return -EINTR; } - i = jiffies_to_msecs(timeout-ret); - cx18_api_log_ack_delay(cx, i); if (ret != timeout) CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n", - i, info->name); + jiffies_to_msecs(timeout-ret), info->name); /* Collect data returned by the XPU */ for (i = 0; i < MAX_MB_ARGUMENTS; i++)