On 18/04/2024 16:06, Zijun Hu wrote: > This reverts commit 56d074d26c5828773b00b2185dd7e1d08273b8e8. > > Commit 56d074d26c58 ("Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() > with gpiod_get_optional()") will cause serious regression issue for > several QCA controllers such as QCA_WCN6750,QCA_WCN6855,QCA_ROME, The pin is required on 6750, 6855 and maybe others. You cannot not have the GPIO. This is no correct fix. You provide wrong DTS and, instead fixing it, try to revert kernel code. No, fix your DTS first. Best regards, Krzysztof