diff options
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
-rw-r--r-- | drivers/tty/serial/mxs-auart.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index aa97fd845b4d..4b5b3c2fe328 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c | |||
@@ -200,7 +200,7 @@ static void dma_tx_callback(void *param) | |||
200 | 200 | ||
201 | /* clear the bit used to serialize the DMA tx. */ | 201 | /* clear the bit used to serialize the DMA tx. */ |
202 | clear_bit(MXS_AUART_DMA_TX_SYNC, &s->flags); | 202 | clear_bit(MXS_AUART_DMA_TX_SYNC, &s->flags); |
203 | smp_mb__after_clear_bit(); | 203 | smp_mb__after_atomic(); |
204 | 204 | ||
205 | /* wake up the possible processes. */ | 205 | /* wake up the possible processes. */ |
206 | if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) | 206 | if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) |
@@ -275,7 +275,7 @@ static void mxs_auart_tx_chars(struct mxs_auart_port *s) | |||
275 | mxs_auart_dma_tx(s, i); | 275 | mxs_auart_dma_tx(s, i); |
276 | } else { | 276 | } else { |
277 | clear_bit(MXS_AUART_DMA_TX_SYNC, &s->flags); | 277 | clear_bit(MXS_AUART_DMA_TX_SYNC, &s->flags); |
278 | smp_mb__after_clear_bit(); | 278 | smp_mb__after_atomic(); |
279 | } | 279 | } |
280 | return; | 280 | return; |
281 | } | 281 | } |