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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-03-23 17:36:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-23 16:53:30 +0100
commit971d080212be4ce2b91047d25a657f46d3e39635 (patch)
tree785f730f1b9c23fa5283b22cce50e0d594b2fea0 /drivers/usb/gadget/udc/pch_udc.c
parent50a318cc9b54a36f00beadf77e578a50f3620477 (diff)
usb: gadget: pch_udc: Initialize device pointer before use
During conversion to use GPIO descriptors the device pointer, which is applied to devm_gpiod_get(), is not yet initialized. Move initialization in the ->probe() in order to have it set before use. Fixes: e20849a8c883 ("usb: gadget: pch_udc: Convert to use GPIO descriptors") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210323153626.54908-6-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/udc/pch_udc.c')
-rw-r--r--drivers/usb/gadget/udc/pch_udc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index 58cea8d3d68f..07199fd1067c 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -1370,6 +1370,7 @@ static irqreturn_t pch_vbus_gpio_irq(int irq, void *data)
*/
static int pch_vbus_gpio_init(struct pch_udc_dev *dev)
{
+ struct device *d = &dev->pdev->dev;
int err;
int irq_num = 0;
struct gpio_desc *gpiod;
@@ -1378,7 +1379,7 @@ static int pch_vbus_gpio_init(struct pch_udc_dev *dev)
dev->vbus_gpio.intr = 0;
/* Retrieve the GPIO line from the USB gadget device */
- gpiod = devm_gpiod_get(dev->gadget.dev.parent, NULL, GPIOD_IN);
+ gpiod = devm_gpiod_get(d, NULL, GPIOD_IN);
if (IS_ERR(gpiod))
return PTR_ERR(gpiod);
gpiod_set_consumer_name(gpiod, "pch_vbus");
@@ -3081,6 +3082,7 @@ static int pch_udc_probe(struct pci_dev *pdev,
if (retval)
return retval;
+ dev->pdev = pdev;
pci_set_drvdata(pdev, dev);
/* Determine BAR based on PCI ID */
@@ -3122,7 +3124,6 @@ static int pch_udc_probe(struct pci_dev *pdev,
/* device struct setup */
spin_lock_init(&dev->lock);
- dev->pdev = pdev;
dev->gadget.ops = &pch_udc_ops;
retval = init_dma_pools(dev);