From: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Date: Fri, 12 Feb 2016 20:34:18 +0000 (+0530)
Subject: greybus: arche-platform: Do not export any gpios
X-Git-Tag: v4.9.8~1233^2~378^2~21^2~694
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b03249390806c48921e1a538673276ebfcb645b7;p=platform%2Fkernel%2Flinux-rpi3.git

greybus: arche-platform: Do not export any gpios

With addition of operational state in driver, user/developer
can switch to FW flashing state through sysfs. So no need to
export any gpios to userspace now.

Testing Done: Tested on EVT1.2 and DB3.5 platform

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index 037e142..1fd806f 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -123,19 +123,6 @@ static void svc_delayed_work(struct work_struct *work)
 	gpio_direction_output(arche_pdata->wake_detect_gpio, 1);
 }
 
-/* Export gpio's to user space */
-static void export_gpios(struct arche_platform_drvdata *arche_pdata)
-{
-	gpio_export(arche_pdata->svc_reset_gpio, false);
-	gpio_export(arche_pdata->svc_sysboot_gpio, false);
-}
-
-static void unexport_gpios(struct arche_platform_drvdata *arche_pdata)
-{
-	gpio_unexport(arche_pdata->svc_reset_gpio);
-	gpio_unexport(arche_pdata->svc_sysboot_gpio);
-}
-
 static int arche_platform_coldboot_seq(struct arche_platform_drvdata *arche_pdata)
 {
 	int ret;
@@ -383,8 +370,6 @@ static int arche_platform_probe(struct platform_device *pdev)
 	INIT_DELAYED_WORK(&arche_pdata->delayed_work, svc_delayed_work);
 	schedule_delayed_work(&arche_pdata->delayed_work, msecs_to_jiffies(2000));
 
-	export_gpios(arche_pdata);
-
 	dev_info(dev, "Device registered successfully\n");
 	return 0;
 }
@@ -407,7 +392,6 @@ static int arche_platform_remove(struct platform_device *pdev)
 	device_for_each_child(&pdev->dev, NULL, arche_remove_child);
 	arche_platform_poweroff_seq(arche_pdata);
 	platform_set_drvdata(pdev, NULL);
-	unexport_gpios(arche_pdata);
 
 	return 0;
 }