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path: root/drivers/spi/spi-pl022.c
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Diffstat (limited to 'drivers/spi/spi-pl022.c')
-rw-r--r--drivers/spi/spi-pl022.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index d165c0bfcab5..82a929f916fd 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1512,8 +1512,12 @@ static void pump_messages(struct work_struct *work)
1512 /* Lock queue and check for queue work */ 1512 /* Lock queue and check for queue work */
1513 spin_lock_irqsave(&pl022->queue_lock, flags); 1513 spin_lock_irqsave(&pl022->queue_lock, flags);
1514 if (list_empty(&pl022->queue) || !pl022->running) { 1514 if (list_empty(&pl022->queue) || !pl022->running) {
1515 if (pl022->busy) 1515 if (pl022->busy) {
1516 /* nothing more to do - disable spi/ssp and power off */
1517 writew((readw(SSP_CR1(pl022->virtbase)) &
1518 (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
1516 pm_runtime_put(&pl022->adev->dev); 1519 pm_runtime_put(&pl022->adev->dev);
1520 }
1517 pl022->busy = false; 1521 pl022->busy = false;
1518 spin_unlock_irqrestore(&pl022->queue_lock, flags); 1522 spin_unlock_irqrestore(&pl022->queue_lock, flags);
1519 return; 1523 return;