dev_read_size() returns -EINVAL (-22) if the property does not exist.
Signed-off-by: Wolfgang Grandegger wg@aries-embedded.de --- drivers/usb/gadget/dwc2_udc_otg.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c index 2748270..00f7e8e 100644 --- a/drivers/usb/gadget/dwc2_udc_otg.c +++ b/drivers/usb/gadget/dwc2_udc_otg.c @@ -996,8 +996,9 @@ static int dwc2_udc_otg_of_to_plat(struct udevice *dev) plat->rx_fifo_sz = dev_read_u32_default(dev, "g-rx-fifo-size", 0); plat->np_tx_fifo_sz = dev_read_u32_default(dev, "g-np-tx-fifo-size", 0);
- plat->tx_fifo_sz_nb = - dev_read_size(dev, "g-tx-fifo-size") / sizeof(u32); + ret = dev_read_size(dev, "g-tx-fifo-size"); + if (ret > 0) + platdata->tx_fifo_sz_nb = ret / sizeof(u32); if (plat->tx_fifo_sz_nb > DWC2_MAX_HW_ENDPOINTS) plat->tx_fifo_sz_nb = DWC2_MAX_HW_ENDPOINTS; if (plat->tx_fifo_sz_nb) { @@ -1052,7 +1053,6 @@ static int dwc2_udc_otg_reset_init(struct udevice *dev, return ret;
ret = reset_assert_bulk(resets); - if (!ret) { udelay(2); ret = reset_deassert_bulk(resets);