diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch b/target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch index d6a9cdde35..6b7ab56859 100644 --- a/target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch +++ b/target/linux/brcm2708/patches-4.19/950-0698-tty-amba-pl011-Make-TX-optimisation-conditional.patch @@ -42,15 +42,15 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> #ifdef CONFIG_DMA_ENGINE /* DMA stuff */ bool using_tx_dma; -@@ -814,6 +815,7 @@ __acquires(&uap->port.lock) +@@ -813,6 +814,7 @@ __acquires(&uap->port.lock) + if (!uap->using_tx_dma) return; - /* Avoid deadlock with the DMA engine callback */ + uap->irq_locked = 0; - spin_unlock(&uap->port.lock); - dmaengine_terminate_all(uap->dmatx.chan); - spin_lock(&uap->port.lock); -@@ -941,6 +943,7 @@ static void pl011_dma_rx_chars(struct ua + dmaengine_terminate_async(uap->dmatx.chan); + + if (uap->dmatx.queued) { +@@ -939,6 +941,7 @@ static void pl011_dma_rx_chars(struct ua fifotaken = pl011_fifo_to_tty(uap); } @@ -58,7 +58,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> spin_unlock(&uap->port.lock); dev_vdbg(uap->port.dev, "Took %d chars from DMA buffer and %d chars from the FIFO\n", -@@ -1349,6 +1352,7 @@ __acquires(&uap->port.lock) +@@ -1347,6 +1350,7 @@ __acquires(&uap->port.lock) { pl011_fifo_to_tty(uap); @@ -66,7 +66,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> spin_unlock(&uap->port.lock); tty_flip_buffer_push(&uap->port.state->port); /* -@@ -1484,6 +1488,7 @@ static irqreturn_t pl011_int(int irq, vo +@@ -1482,6 +1486,7 @@ static irqreturn_t pl011_int(int irq, vo int handled = 0; spin_lock_irqsave(&uap->port.lock, flags); @@ -74,7 +74,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> status = pl011_read(uap, REG_RIS) & uap->im; if (status) { do { -@@ -1503,7 +1508,7 @@ static irqreturn_t pl011_int(int irq, vo +@@ -1501,7 +1506,7 @@ static irqreturn_t pl011_int(int irq, vo UART011_CTSMIS|UART011_RIMIS)) pl011_modem_status(uap); if (status & UART011_TXIS) |