* [PATCH v3] usb: dwc2: handle return code of dev_read_size() in of to, plat function
@ 2022-03-14 8:32 Wolfgang Grandegger
2022-03-14 10:50 ` Marek Vasut
0 siblings, 1 reply; 2+ messages in thread
From: Wolfgang Grandegger @ 2022-03-14 8:32 UTC (permalink / raw)
To: U-Boot Mailing List; +Cc: Marek Vasut
dev_read_size() returns -EINVAL (-22) if the property "g-tx-fifo-size"
does not exist. If that's the case, we now keep the default value of 0.
Signed-off-by: Wolfgang Grandegger <wg@aries-embedded.de>
---
Changes since v2:
- fix compiler error using latest U-Boot version
Changes since v1:
- removed unrelated changes (missing empty line)
- improved commit message
drivers/usb/gadget/dwc2_udc_otg.c | 5 +++--
1 file 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) {
--
2.28.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v3] usb: dwc2: handle return code of dev_read_size() in of to, plat function
2022-03-14 8:32 [PATCH v3] usb: dwc2: handle return code of dev_read_size() in of to, plat function Wolfgang Grandegger
@ 2022-03-14 10:50 ` Marek Vasut
0 siblings, 0 replies; 2+ messages in thread
From: Marek Vasut @ 2022-03-14 10:50 UTC (permalink / raw)
To: Wolfgang Grandegger, U-Boot Mailing List
On 3/14/22 09:32, Wolfgang Grandegger wrote:
> dev_read_size() returns -EINVAL (-22) if the property "g-tx-fifo-size"
> does not exist. If that's the case, we now keep the default value of 0.
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-03-14 8:32 [PATCH v3] usb: dwc2: handle return code of dev_read_size() in of to, plat function Wolfgang Grandegger
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