This reverts commit 4a6b554d2f7830772d95912a66fd14b109004e3e.

The reverted patch broke the uart functionality in Joule, which doesn't
have a proper pinctrl configuration for this purpose.

Signed-off-by: Jukka Laitinen <jukka.laiti...@intel.com>
---
 drivers/tty/serial/8250/8250_dw.c | 39 ---------------------------------------
 1 file changed, 39 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_dw.c 
b/drivers/tty/serial/8250/8250_dw.c
index 9906cb5..c3b6edf 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -14,7 +14,6 @@
  * raised, the LCR needs to be rewritten and the uart status register read.
  */
 #include <linux/device.h>
-#include <linux/gpio/consumer.h>
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/serial_8250.h>
@@ -22,9 +21,7 @@
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
-#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
-#include <linux/pm_wakeirq.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
 #include <linux/clk.h>
@@ -330,7 +327,6 @@ static int dw8250_probe(struct platform_device *pdev)
        int irq = platform_get_irq(pdev, 0);
        struct uart_port *p = &uart.port;
        struct dw8250_data *data;
-       struct gpio_desc *wake;
        int err;
        u32 val;
 
@@ -469,26 +465,6 @@ static int dw8250_probe(struct platform_device *pdev)
                uart.dma = &data->dma;
        }
 
-       /* Set up RxD or CTS pin as wake source */
-       wake = gpiod_get(&pdev->dev, "rx", GPIOD_IN);
-       if (IS_ERR(wake))
-               wake = gpiod_get(&pdev->dev, "cts", GPIOD_IN);
-       if (!IS_ERR(wake)) {
-               irq = gpiod_to_irq(wake);
-               if (irq >= 0) {
-                       device_init_wakeup(&pdev->dev, true);
-                       err = dev_pm_set_dedicated_wake_irq(&pdev->dev, irq);
-                       if (err) {
-                               dev_warn(&pdev->dev,
-                                        "Can't set dedicated wake IRQ: %d\n",
-                                        err);
-                       } else {
-                               irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
-                       }
-               }
-               gpiod_put(wake);
-       }
-
        data->line = serial8250_register_8250_port(&uart);
        if (data->line < 0) {
                err = data->line;
@@ -526,9 +502,6 @@ static int dw8250_remove(struct platform_device *pdev)
 
        pm_runtime_get_sync(&pdev->dev);
 
-       dev_pm_clear_wake_irq(&pdev->dev);
-       device_init_wakeup(&pdev->dev, false);
-
        serial8250_unregister_port(data->line);
 
        if (!IS_ERR(data->rst))
@@ -571,8 +544,6 @@ static int dw8250_runtime_suspend(struct device *dev)
 {
        struct dw8250_data *data = dev_get_drvdata(dev);
 
-       pinctrl_pm_select_sleep_state(dev);
-
        if (!IS_ERR(data->clk))
                clk_disable_unprepare(data->clk);
 
@@ -585,7 +556,6 @@ static int dw8250_runtime_suspend(struct device *dev)
 static int dw8250_runtime_resume(struct device *dev)
 {
        struct dw8250_data *data = dev_get_drvdata(dev);
-       struct uart_8250_port *up = serial8250_get_port(data->line);
 
        if (!IS_ERR(data->pclk))
                clk_prepare_enable(data->pclk);
@@ -593,15 +563,6 @@ static int dw8250_runtime_resume(struct device *dev)
        if (!IS_ERR(data->clk))
                clk_prepare_enable(data->clk);
 
-       pinctrl_pm_select_default_state(dev);
-
-       /* Restore context */
-       serial8250_do_restore_context(&up->port);
-
-       /*
-        *  TODO: Check if it needs more than it's done in
-        *  serial8250_console_restore()
-        */
        return 0;
 }
 #endif
-- 
2.7.4

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