[media] media: st-rc: remove misuse of IRQF_NO_SUSPEND flag
authorSudeep Holla <sudeep.holla@arm.com>
Mon, 21 Sep 2015 15:47:10 +0000 (12:47 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Thu, 19 Nov 2015 08:46:05 +0000 (06:46 -0200)
The device is set as wakeup capable using proper wakeup API but the
driver misuses IRQF_NO_SUSPEND to set the interrupt as wakeup source
which is incorrect.

This patch removes the use of IRQF_NO_SUSPEND flags replacing it with
enable_irq_wake instead.

Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kernel@stlinux.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/rc/st_rc.c

index 37d040158dff50302b1a065b8a6518298db0a47c..1fa0c9d1c5083766c53bafe11d5e955bdd6c838a 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/reset.h>
 #include <media/rc-core.h>
 #include <linux/pinctrl/consumer.h>
+#include <linux/pm_wakeirq.h>
 
 struct st_rc_device {
        struct device                   *dev;
@@ -190,6 +191,9 @@ static void st_rc_hardware_init(struct st_rc_device *dev)
 static int st_rc_remove(struct platform_device *pdev)
 {
        struct st_rc_device *rc_dev = platform_get_drvdata(pdev);
+
+       dev_pm_clear_wake_irq(&pdev->dev);
+       device_init_wakeup(&pdev->dev, false);
        clk_disable_unprepare(rc_dev->sys_clock);
        rc_unregister_device(rc_dev->rdev);
        return 0;
@@ -298,22 +302,22 @@ static int st_rc_probe(struct platform_device *pdev)
        rdev->map_name = RC_MAP_LIRC;
        rdev->input_name = "ST Remote Control Receiver";
 
-       /* enable wake via this device */
-       device_set_wakeup_capable(dev, true);
-       device_set_wakeup_enable(dev, true);
-
        ret = rc_register_device(rdev);
        if (ret < 0)
                goto clkerr;
 
        rc_dev->rdev = rdev;
        if (devm_request_irq(dev, rc_dev->irq, st_rc_rx_interrupt,
-                       IRQF_NO_SUSPEND, IR_ST_NAME, rc_dev) < 0) {
+                            0, IR_ST_NAME, rc_dev) < 0) {
                dev_err(dev, "IRQ %d register failed\n", rc_dev->irq);
                ret = -EINVAL;
                goto rcerr;
        }
 
+       /* enable wake via this device */
+       device_init_wakeup(dev, true);
+       dev_pm_set_wake_irq(dev, rc_dev->irq);
+
        /**
         * for LIRC_MODE_MODE2 or LIRC_MODE_PULSE or LIRC_MODE_RAW
         * lircd expects a long space first before a signal train to sync.