13 Jun
2021
13 Jun
'21
4 p.m.
On Fri, Jun 11, 2021 at 4:32 AM Yang Yingliang yangyingliang@huawei.com wrote:
rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo"); tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
if (!rx_res || !tx_res) {
dev_err(dev, "Invalid resource\n");
return -EINVAL;
}
If platform_get_resource_byname() returns an error, it's probably because the name cannot be found. So I think this error message is more accurate:
"could not find rxfifo or txfifo resource"