Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 15 deletions

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index f75b8bceb..dba25e709 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -224,7 +224,7 @@
  * trigger levels. Trigger levels from 4 characters to 60 characters are
  * available with a granularity of four.
  *
- * When the trigger level setting in TLR is zero, the SC16IS740/750/760 uses the
+ * When the trigger level setting in TLR is zero, the SC16IS74x/75x/76x uses the
  * trigger level setting defined in FCR. If TLR has non-zero trigger level value
  * the trigger level defined in FCR is discarded. This applies to both transmit
  * FIFO and receive FIFO trigger level setting.
@@ -235,7 +235,7 @@
 #define SC16IS7XX_TLR_TX_TRIGGER(words)	((((words) / 4) & 0x0f) << 0)
 #define SC16IS7XX_TLR_RX_TRIGGER(words)	((((words) / 4) & 0x0f) << 4)
 
-/* IOControl register bits (Only 750/760) */
+/* IOControl register bits (Only 75x/76x) */
 #define SC16IS7XX_IOCONTROL_LATCH_BIT	(1 << 0) /* Enable input latching */
 #define SC16IS7XX_IOCONTROL_MODEM_A_BIT	(1 << 1) /* Enable GPIO[7:4] as modem A pins */
 #define SC16IS7XX_IOCONTROL_MODEM_B_BIT	(1 << 2) /* Enable GPIO[3:0] as modem B pins */
@@ -250,9 +250,9 @@
 #define SC16IS7XX_EFCR_RTS_INVERT_BIT	(1 << 5) /* RTS output inversion */
 #define SC16IS7XX_EFCR_IRDA_MODE_BIT	(1 << 7) /* IrDA mode
 						  * 0 = rate upto 115.2 kbit/s
-						  *   - Only 750/760
+						  *   - Only 75x/76x
 						  * 1 = rate upto 1.152 Mbit/s
-						  *   - Only 760
+						  *   - Only 76x
 						  */
 
 /* EFR register bits */
@@ -358,7 +358,6 @@ static struct uart_driver sc16is7xx_uart = {
 static void sc16is7xx_ier_set(struct uart_port *port, u8 bit);
 static void sc16is7xx_stop_tx(struct uart_port *port);
 
-#define to_sc16is7xx_port(p,e)	((container_of((p), struct sc16is7xx_port, e)))
 #define to_sc16is7xx_one(p,e)	((container_of((p), struct sc16is7xx_one, e)))
 
 static u8 sc16is7xx_port_read(struct uart_port *port, u8 reg)
@@ -1393,6 +1392,29 @@ static int sc16is7xx_setup_gpio_chip(struct sc16is7xx_port *s)
 }
 #endif
 
+static void sc16is7xx_setup_irda_ports(struct sc16is7xx_port *s)
+{
+	int i;
+	int ret;
+	int count;
+	u32 irda_port[2];
+	struct device *dev = s->p[0].port.dev;
+
+	count = device_property_count_u32(dev, "irda-mode-ports");
+	if (count < 0 || count > ARRAY_SIZE(irda_port))
+		return;
+
+	ret = device_property_read_u32_array(dev, "irda-mode-ports",
+					     irda_port, count);
+	if (ret)
+		return;
+
+	for (i = 0; i < count; i++) {
+		if (irda_port[i] < s->devtype->nr_uart)
+			s->p[irda_port[i]].irda_mode = true;
+	}
+}
+
 /*
  * Configure ports designated to operate as modem control lines.
  */
@@ -1586,16 +1608,7 @@ static int sc16is7xx_probe(struct device *dev,
 		sc16is7xx_power(&s->p[i].port, 0);
 	}
 
-	if (dev->of_node) {
-		struct property *prop;
-		const __be32 *p;
-		u32 u;
-
-		of_property_for_each_u32(dev->of_node, "irda-mode-ports",
-					 prop, p, u)
-			if (u < devtype->nr_uart)
-				s->p[u].irda_mode = true;
-	}
+	sc16is7xx_setup_irda_ports(s);
 
 	ret = sc16is7xx_setup_mctrl_ports(s, regmaps[0]);
 	if (ret)