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greybus: arche-apb-ctrl: Do not export any gpios

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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>
This commit is contained in:
Vaibhav Hiremath
2016-02-13 02:04:19 +05:30
committed by Greg Kroah-Hartman
parent b032493908
commit bc8eadd46c
1 changed files with 0 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/staging/greybus/arche-apb-ctrl.c
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@@ -58,17 +58,6 @@ static inline void assert_reset(unsigned int gpio)
gpio_set_value(gpio, 0);
}
/* Export gpio's to user space */
static void export_gpios(struct arche_apb_ctrl_drvdata *apb)
{
gpio_export(apb->resetn_gpio, false);
}
static void unexport_gpios(struct arche_apb_ctrl_drvdata *apb)
{
gpio_unexport(apb->resetn_gpio);
}
/*
* Note: Please do not modify the below sequence, as it is as per the spec
*/
@@ -407,20 +396,15 @@ int arche_apb_ctrl_probe(struct platform_device *pdev)
return ret;
}
export_gpios(apb);
dev_info(&pdev->dev, "Device registered successfully\n");
return 0;
}
int arche_apb_ctrl_remove(struct platform_device *pdev)
{
struct arche_apb_ctrl_drvdata *apb = platform_get_drvdata(pdev);
device_remove_file(&pdev->dev, &dev_attr_state);
poweroff_seq(pdev);
platform_set_drvdata(pdev, NULL);
unexport_gpios(apb);
return 0;
}