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-rw-r--r--drivers/usb/gadget/dwc2_udc_otg.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
index 2748270ad6..77988f78ab 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)
+ plat->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) {