| Message ID | 20171208103742.3181-2-sven.eckelmann@openmesh.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Dec 08, 2017 at 11:37:41AM +0100, Sven Eckelmann wrote: > The bus + bmi-chip-id + bmi-board-id is not enough to identify the correct > board data file on QCA4019 based devices. Multiple different boards share > the same values. Only the original reference designs can currently be > identified and loaded from the board-2.bin. But these will not result in > the correct calibration data when combined with the pre-calibration data > from the device. > > An additional "variant" information has to be provided (via SMBIOS or DT) > to select the correct board data for a design which was modified by an ODM. > > Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> > --- > Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Rob Herring <robh@kernel.org>
Sven Eckelmann <sven.eckelmann@openmesh.com> wrote: > The bus + bmi-chip-id + bmi-board-id is not enough to identify the correct > board data file on QCA4019 based devices. Multiple different boards share > the same values. Only the original reference designs can currently be > identified and loaded from the board-2.bin. But these will not result in > the correct calibration data when combined with the pre-calibration data > from the device. > > An additional "variant" information has to be provided (via SMBIOS or DT) > to select the correct board data for a design which was modified by an ODM. > > Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> > Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> 2 patches applied to ath-next branch of ath.git, thanks. 40fb0eab30ba dt: bindings: add new dt entry for ath10k calibration variant d06f26c5c8a4 ath10k: search DT for qcom,ath10k-calibration-variant
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 74d7f0af209c..3d2a031217da 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -41,6 +41,9 @@ Optional properties: - qcom,msi_addr: MSI interrupt address. - qcom,msi_base: Base value to add before writing MSI data into MSI address register. +- qcom,ath10k-calibration-variant: string to search for in the board-2.bin + variant list with the same bus and device + specific ids - qcom,ath10k-calibration-data : calibration data + board specific data as an array, the length can vary between hw versions.
The bus + bmi-chip-id + bmi-board-id is not enough to identify the correct board data file on QCA4019 based devices. Multiple different boards share the same values. Only the original reference designs can currently be identified and loaded from the board-2.bin. But these will not result in the correct calibration data when combined with the pre-calibration data from the device. An additional "variant" information has to be provided (via SMBIOS or DT) to select the correct board data for a design which was modified by an ODM. Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com> --- Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 3 +++ 1 file changed, 3 insertions(+)