diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index 66cb74887..80f5f563d 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -171,6 +171,7 @@ #define CX18_MAX_PGM_INDEX (400) +extern int cx18_retry_mmio; /* enable check & retry of mmio accesses */ extern int cx18_debug; @@ -344,6 +345,13 @@ struct cx18_i2c_algo_callback_data { int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ }; +#define CX18_MAX_MMIO_RETRIES 10 + +struct cx18_mmio_stats { + atomic_t retried_write[CX18_MAX_MMIO_RETRIES+1]; + atomic_t retried_read[CX18_MAX_MMIO_RETRIES+1]; +}; + /* Struct to hold info about cx18 cards */ struct cx18 { int num; /* board number, -1 during init! */ @@ -433,6 +441,9 @@ struct cx18 { u32 gpio_val; struct mutex gpio_lock; + /* Statistics */ + struct cx18_mmio_stats mmio_stats; + /* v4l2 and User settings */ /* codec settings */ |