Merge branches 'topic/core' and 'topic/stats' of git://git.kernel.org/pub/scm/linux...

[karo-tx-linux.git] / include / linux / spi / spi.h

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 269e8afd3e2a5826c38282a3577447f3ff42997b..e1f21778cb54b561caed44de1a61f49a66b8cd2d 100644 (file)
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -34,7 +34,7 @@ extern struct bus_type spi_bus_type;
 
 /**
  * struct spi_statistics - statistics for spi transfers
- * @clock:         lock protecting this structure
+ * @lock:          lock protecting this structure
  *
  * @messages:      number of spi-messages handled
  * @transfers:     number of spi_transfers handled
@@ -51,6 +51,8 @@ extern struct bus_type spi_bus_type;
  * @bytes_tx:      number of bytes sent to device
  * @bytes_rx:      number of bytes received from device
  *
+ * @transfer_bytes_histo:
+ *                 transfer bytes histogramm
  */
 struct spi_statistics {
        spinlock_t              lock; /* lock for the whole structure */
@@ -68,6 +70,8 @@ struct spi_statistics {
        unsigned long long      bytes_rx;
        unsigned long long      bytes_tx;
 
+#define SPI_STATISTICS_HISTO_SIZE 17
+       unsigned long transfer_bytes_histo[SPI_STATISTICS_HISTO_SIZE];
 };
 
 void spi_statistics_add_transfer_stats(struct spi_statistics *stats,