diff options
Diffstat (limited to 'drivers/misc/mbox_channels-db5500.c')
| -rw-r--r-- | drivers/misc/mbox_channels-db5500.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/misc/mbox_channels-db5500.c b/drivers/misc/mbox_channels-db5500.c index b3baae12d4b..919be308ed4 100644 --- a/drivers/misc/mbox_channels-db5500.c +++ b/drivers/misc/mbox_channels-db5500.c @@ -51,9 +51,6 @@ /* Returns sequence number from mbox message header */ #define GET_SEQ_NUMBER(mbox_msg) (((mbox_msg) >> 24) -/* Number of buffers */ -#define NUM_DSP_BUFFER 4 - enum mbox_msg{ MBOX_CLOSE, MBOX_OPEN, @@ -379,7 +376,7 @@ rcv_msg: dev_err(&channels.pdev->dev, "%s no callback provided\n", __func__); } - if (!atomic_dec_and_test(&rx_chan->rcv_counter)) + if (atomic_dec_return(&rx_chan->rcv_counter) > 0) goto rcv_msg; } |