Re: [PATCH] Bluetooth: Populate hci_set_hw_info for Intel and Realtek

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Dear Archie,


Thank you for your patch.

Am 22.04.24 um 09:24 schrieb Archie Pusaka:
From: Archie Pusaka <apusaka@xxxxxxxxxxxx>

The hardware information surfaced via debugfs might be usable by the
userspace to set some configuration knobs. This patch sets the hw_info
for Intel and Realtek chipsets.

Could you please add an example paste to the commit message?

Signed-off-by: Archie Pusaka <apusaka@xxxxxxxxxxxx>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxx>

---

  drivers/bluetooth/btintel.c | 9 +++++++++
  drivers/bluetooth/btrtl.c   | 7 +++++++
  2 files changed, 16 insertions(+)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index a19ebe47bd951..dc48352166a52 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -2956,6 +2956,11 @@ static int btintel_setup_combined(struct hci_dev *hdev)
  			err = -EINVAL;
  		}
+ hci_set_hw_info(hdev,
+				"INTEL platform=%u variant=%u revision=%u",
+				ver.hw_platform, ver.hw_variant,
+				ver.hw_revision);
+
  		goto exit_error;
  	}
@@ -3060,6 +3065,10 @@ static int btintel_setup_combined(struct hci_dev *hdev)
  		break;
  	}
+ hci_set_hw_info(hdev, "INTEL platform=%u variant=%u",
+			INTEL_HW_PLATFORM(ver_tlv.cnvi_bt),
+			INTEL_HW_VARIANT(ver_tlv.cnvi_bt));
+

Why does it need to be added at two places?

  exit_error:
  	kfree_skb(skb);
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index cc50de69e8dc9..4f1e37b4f7802 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -1339,6 +1339,13 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
btrtl_set_quirks(hdev, btrtl_dev); + hci_set_hw_info(hdev,
+			"RTL lmp_subver=%u hci_rev=%u hci_ver=%u hci_bus=%u",
+			btrtl_dev->ic_info->lmp_subver,
+			btrtl_dev->ic_info->hci_rev,
+			btrtl_dev->ic_info->hci_ver,
+			btrtl_dev->ic_info->hci_bus);
+
  	btrtl_free(btrtl_dev);
  	return ret;
  }


Kind regards,

Paul




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