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path: root/drivers/tty/serial/mxs-auart.c
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Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
-rw-r--r--drivers/tty/serial/mxs-auart.c4
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 }