diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch b/target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch index 1a2d6c2dfe..d4034bb9db 100644 --- a/target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch +++ b/target/linux/layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch @@ -117,7 +117,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> static inline bool is_imx8qxp_lpuart(struct lpuart_port *sport) { -@@ -1000,19 +1021,15 @@ static irqreturn_t lpuart32_int(int irq, +@@ -998,19 +1019,15 @@ static irqreturn_t lpuart32_int(int irq, if ((sts & UARTSTAT_TDRE) && !sport->lpuart_dma_tx_use) lpuart32_txint(sport); @@ -141,7 +141,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> if (lpuart_is_32(sport)) { unsigned long sr = lpuart32_read(&sport->port, UARTSTAT); -@@ -1064,8 +1081,21 @@ static void lpuart_copy_rx_to_tty(struct +@@ -1062,8 +1079,21 @@ static void lpuart_copy_rx_to_tty(struct writeb(cr2, sport->port.membase + UARTCR2); } } @@ -164,7 +164,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> spin_lock_irqsave(&sport->port.lock, flags); -@@ -1128,7 +1158,33 @@ static void lpuart_copy_rx_to_tty(struct +@@ -1126,7 +1156,33 @@ static void lpuart_copy_rx_to_tty(struct spin_unlock_irqrestore(&sport->port.lock, flags); tty_flip_buffer_push(port); @@ -199,7 +199,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> } static void lpuart_dma_rx_complete(void *arg) -@@ -1136,6 +1192,8 @@ static void lpuart_dma_rx_complete(void +@@ -1134,6 +1190,8 @@ static void lpuart_dma_rx_complete(void struct lpuart_port *sport = arg; lpuart_copy_rx_to_tty(sport); @@ -208,7 +208,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> } static void lpuart_timer_func(struct timer_list *t) -@@ -1143,13 +1201,78 @@ static void lpuart_timer_func(struct tim +@@ -1141,13 +1199,78 @@ static void lpuart_timer_func(struct tim struct lpuart_port *sport = from_timer(sport, t, lpuart_timer); lpuart_copy_rx_to_tty(sport); @@ -291,7 +291,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> int bits, baud; struct tty_port *port = &sport->port.state->port; struct tty_struct *tty = port->tty; -@@ -1169,6 +1292,18 @@ static inline int lpuart_start_rx_dma(st +@@ -1167,6 +1290,18 @@ static inline int lpuart_start_rx_dma(st sport->rx_dma_rng_buf_len = (1 << (fls(sport->rx_dma_rng_buf_len) - 1)); if (sport->rx_dma_rng_buf_len < 16) sport->rx_dma_rng_buf_len = 16; @@ -310,7 +310,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> ring->buf = kzalloc(sport->rx_dma_rng_buf_len, GFP_ATOMIC); if (!ring->buf) -@@ -1194,32 +1329,7 @@ static inline int lpuart_start_rx_dma(st +@@ -1192,32 +1327,7 @@ static inline int lpuart_start_rx_dma(st return ret; } @@ -344,7 +344,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> } static void lpuart_dma_rx_free(struct uart_port *port) -@@ -1405,8 +1515,10 @@ static void lpuart_setup_watermark(struc +@@ -1403,8 +1513,10 @@ static void lpuart_setup_watermark(struc writeb(UARTSFIFO_RXUF, sport->port.membase + UARTSFIFO); } @@ -356,7 +356,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> /* Restore cr2 */ writeb(cr2_saved, sport->port.membase + UARTCR2); -@@ -1427,6 +1539,7 @@ static void lpuart32_setup_watermark(str +@@ -1425,6 +1537,7 @@ static void lpuart32_setup_watermark(str { unsigned long val, ctrl; unsigned long ctrl_saved; @@ -364,7 +364,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> ctrl = lpuart32_read(&sport->port, UARTCTRL); ctrl_saved = ctrl; -@@ -1438,12 +1551,26 @@ static void lpuart32_setup_watermark(str +@@ -1436,12 +1549,26 @@ static void lpuart32_setup_watermark(str val = lpuart32_read(&sport->port, UARTFIFO); val |= UARTFIFO_TXFE | UARTFIFO_RXFE; val |= UARTFIFO_TXFLUSH | UARTFIFO_RXFLUSH; @@ -392,7 +392,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> /* Restore cr2 */ lpuart32_write(&sport->port, ctrl_saved, UARTCTRL); } -@@ -1455,17 +1582,29 @@ static void lpuart32_setup_watermark_ena +@@ -1453,17 +1580,29 @@ static void lpuart32_setup_watermark_ena lpuart32_setup_watermark(sport); temp = lpuart32_read(&sport->port, UARTCTRL); @@ -423,7 +423,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> static void lpuart_tx_dma_startup(struct lpuart_port *sport) { u32 uartbaud; -@@ -1529,19 +1668,23 @@ static int lpuart_startup(struct uart_po +@@ -1527,19 +1666,23 @@ static int lpuart_startup(struct uart_po return 0; } @@ -454,7 +454,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> if (!sport->lpuart_dma_tx_use) temp |= UARTCTRL_TIE; lpuart32_write(&sport->port, temp, UARTCTRL); -@@ -1574,12 +1717,12 @@ static int lpuart32_startup(struct uart_ +@@ -1572,12 +1715,12 @@ static int lpuart32_startup(struct uart_ spin_lock_irqsave(&sport->port.lock, flags); @@ -469,7 +469,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> lpuart32_configure(sport); spin_unlock_irqrestore(&sport->port.lock, flags); -@@ -1589,7 +1732,7 @@ static int lpuart32_startup(struct uart_ +@@ -1587,7 +1730,7 @@ static int lpuart32_startup(struct uart_ static void lpuart_dma_shutdown(struct lpuart_port *sport) { if (sport->lpuart_dma_rx_use) { @@ -478,7 +478,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> lpuart_dma_rx_free(&sport->port); } -@@ -1630,11 +1773,22 @@ static void lpuart32_shutdown(struct uar +@@ -1628,11 +1771,22 @@ static void lpuart32_shutdown(struct uar spin_lock_irqsave(&port->lock, flags); @@ -503,7 +503,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> spin_unlock_irqrestore(&port->lock, flags); -@@ -1731,10 +1885,10 @@ lpuart_set_termios(struct uart_port *por +@@ -1729,10 +1883,10 @@ lpuart_set_termios(struct uart_port *por * baud rate and restart Rx DMA path. * * Since timer function acqures sport->port.lock, need to stop before @@ -516,7 +516,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> lpuart_dma_rx_free(&sport->port); } -@@ -1946,10 +2100,10 @@ lpuart32_set_termios(struct uart_port *p +@@ -1944,10 +2098,10 @@ lpuart32_set_termios(struct uart_port *p * baud rate and restart Rx DMA path. * * Since timer function acqures sport->port.lock, need to stop before @@ -529,7 +529,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> lpuart_dma_rx_free(&sport->port); } -@@ -2458,6 +2612,10 @@ static int lpuart_probe(struct platform_ +@@ -2456,6 +2610,10 @@ static int lpuart_probe(struct platform_ sport->port.dev = &pdev->dev; sport->port.type = PORT_LPUART; sport->devtype = sdata->devtype; @@ -540,7 +540,7 @@ Signed-off-by: Fugang Duan <fugang.duan@nxp.com> ret = platform_get_irq(pdev, 0); if (ret < 0) return ret; -@@ -2620,7 +2778,7 @@ static int lpuart_suspend(struct device +@@ -2618,7 +2776,7 @@ static int lpuart_suspend(struct device * Rx DMA path before suspend and start Rx DMA path on resume. */ if (irq_wake) { |