Re: [PATCH v1 2/2] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC WCN3991

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On Tue 05 Nov 06:45 PST 2019, Balakrishna Godavarthi wrote:

> This patch add support for WCN3991 i.e. current values and fw download
> support.
> 
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> ---
>  drivers/bluetooth/btqca.c   | 68 +++++++++++++++++++++++++++++--------
>  drivers/bluetooth/btqca.h   | 10 ++++--
>  drivers/bluetooth/hci_qca.c | 16 +++++++--
>  3 files changed, 74 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
[..]
> @@ -48,13 +62,16 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
>  	}
>  
>  	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
> -	    edl->rtype != EDL_APP_VER_RES_EVT) {
> +	    edl->rtype != rtype) {
>  		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
>  			   edl->rtype);
>  		err = -EIO;
>  		goto out;
>  	}
>  
> +	if (soc_type == QCA_WCN3991)
> +		memcpy(&edl->data, &edl->data[1], sizeof(*ver));

memcpy() shouldn't be used when the two memory regions are overlapping,
use memmove() for this.

[..]
> diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
> index 7f7a2b2c0df6..309a720ff216 100644
> --- a/drivers/bluetooth/btqca.h
> +++ b/drivers/bluetooth/btqca.h
> @@ -126,6 +126,7 @@ enum qca_btsoc_type {
>  	QCA_ROME,
>  	QCA_WCN3990,
>  	QCA_WCN3998,
> +	QCA_WCN3991,

Please maintain sort order.

[..]
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
[..]
> @@ -1663,6 +1674,7 @@ static const struct of_device_id qca_bluetooth_of_match[] = {
>  	{ .compatible = "qcom,qca6174-bt" },
>  	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
>  	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
> +	{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},

Ditto

Regards,
Bjorn



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