diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/uart_buffering.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/common/uart_buffering.c b/common/uart_buffering.c index 6eb8241355..e3b7e73fbd 100644 --- a/common/uart_buffering.c +++ b/common/uart_buffering.c @@ -28,6 +28,10 @@ #define TX_BUF_DIFF(i, j) (((i) - (j)) & (CONFIG_UART_TX_BUF_SIZE - 1)) #define RX_BUF_DIFF(i, j) (((i) - (j)) & (CONFIG_UART_RX_BUF_SIZE - 1)) +/* Check if both UART TX/RX buffer sizes are power of two. */ +BUILD_ASSERT((CONFIG_UART_TX_BUF_SIZE & (CONFIG_UART_TX_BUF_SIZE - 1)) == 0); +BUILD_ASSERT((CONFIG_UART_RX_BUF_SIZE & (CONFIG_UART_RX_BUF_SIZE - 1)) == 0); + /* * Interval between rechecking the receive DMA head pointer, after a character * of input has been detected by the normal tick task. There will be @@ -500,4 +504,3 @@ int uart_console_read_buffer(uint8_t type, return EC_RES_SUCCESS; } - |