[PATCH 06/80] Blackfin Serial Driver: Fix bug - shouldsuspend/resume/remove all uart ports.

[Alan Cox]

From: Sonic Zhang <sonic.zhang@xxxxxxxxxx>

Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
---

 drivers/serial/bfin_5xx.c |   39 ++++++++++++++++++++++-----------------
 1 files changed, 22 insertions(+), 17 deletions(-)


diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 4a023c6..04eeef0 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -1100,20 +1100,26 @@ static struct uart_driver bfin_serial_reg = {
 
 static int bfin_serial_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct bfin_serial_port *uart = platform_get_drvdata(dev);
+	int i;
 
-	if (uart)
-		uart_suspend_port(&bfin_serial_reg, &uart->port);
+	for (i = 0; i < nr_ports; i++) {
+		if (bfin_serial_ports[i].port.dev != &dev->dev)
+			continue;
+		uart_suspend_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
+	}
 
 	return 0;
 }
 
 static int bfin_serial_resume(struct platform_device *dev)
 {
-	struct bfin_serial_port *uart = platform_get_drvdata(dev);
+	int i;
 
-	if (uart)
-		uart_resume_port(&bfin_serial_reg, &uart->port);
+	for (i = 0; i < nr_ports; i++) {
+		if (bfin_serial_ports[i].port.dev != &dev->dev)
+			continue;
+		uart_resume_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
+	}
 
 	return 0;
 }
@@ -1133,27 +1139,26 @@ static int bfin_serial_probe(struct platform_device *dev)
 				continue;
 			bfin_serial_ports[i].port.dev = &dev->dev;
 			uart_add_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
-			platform_set_drvdata(dev, &bfin_serial_ports[i]);
 		}
 	}
 
 	return 0;
 }
 
-static int bfin_serial_remove(struct platform_device *pdev)
+static int bfin_serial_remove(struct platform_device *dev)
 {
-	struct bfin_serial_port *uart = platform_get_drvdata(pdev);
-
+	int i;
 
+	for (i = 0; i < nr_ports; i++) {
+		if (bfin_serial_ports[i].port.dev != &dev->dev)
+			continue;
+		uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
+		bfin_serial_ports[i].port.dev = NULL;
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	gpio_free(uart->cts_pin);
-	gpio_free(uart->rts_pin);
+		gpio_free(bfin_serial_ports[i].cts_pin);
+		gpio_free(bfin_serial_ports[i].rts_pin);
 #endif
-
-	platform_set_drvdata(pdev, NULL);
-
-	if (uart)
-		uart_remove_one_port(&bfin_serial_reg, &uart->port);
+	}
 
 	return 0;
 }

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/