From: Andy Shevchenko andriy.shevchenko@linux.intel.com
[ Upstream commit 971d080212be4ce2b91047d25a657f46d3e39635 ]
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.int... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/udc/pch_udc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 29e89ed6aad5..a39122f01cdb 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1369,6 +1369,7 @@ 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; @@ -1377,7 +1378,7 @@ 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"); @@ -3080,6 +3081,7 @@ 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 */ @@ -3121,7 +3123,6 @@ 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);