diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-03-23 17:36:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-23 16:53:30 +0100 |
| commit | 971d080212be4ce2b91047d25a657f46d3e39635 (patch) | |
| tree | 785f730f1b9c23fa5283b22cce50e0d594b2fea0 /drivers/usb/gadget | |
| parent | 50a318cc9b54a36f00beadf77e578a50f3620477 (diff) | |
| download | linux-971d080212be4ce2b91047d25a657f46d3e39635.tar.bz2 | |
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')
| -rw-r--r-- | drivers/usb/gadget/udc/pch_udc.c | 5 |
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); |