AOSP use userspace firmware loader to load firmwares, which will return -EAGAIN in case qca/rampatch_00440302.bin is not found. Since there is no rampatch for dragonboard820c QCA controller revision, just make it work as is.

CC: Loic Poulain loic.poulain@linaro.org CC: Nicolas Dechesne nicolas.dechesne@linaro.org CC: Marcel Holtmann marcel@holtmann.org CC: Johan Hedberg johan.hedberg@gmail.com CC: Stable stable@vger.kernel.org Signed-off-by: Amit Pundir amit.pundir@linaro.org --- drivers/bluetooth/hci_qca.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 05ec530b8a3a..330e9b29e145 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -935,6 +935,12 @@ static int qca_setup(struct hci_uart *hu) } else if (ret == -ENOENT) { /* No patch/nvm-config found, run with original fw/config */ ret = 0; + } else if (ret == -EAGAIN) { + /* + * Userspace firmware loader will return -EAGAIN in case no + * patch/nvm-config is found, so run with original fw/config. + */ + ret = 0; }

/* Setup bdaddr */