ath10k: Add optional qdss clk

The WiFi firmware found on sm8150 requires that the QDSS clock is
ticking in order to operate, so add an optional clock to the binding to
allow this to be specified in the sm8150 dts and add the clock to the
list of clocks in the driver.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 017128394a3e2dff0ba371de06688f3a88f81c9d..3fc2cce4626bb941fbc468514681caeead7a25f7 100644 (file)
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -50,7 +50,7 @@ Optional properties:
           entry in clock-names.
 - clock-names: Should contain the clock names "wifi_wcss_cmd", "wifi_wcss_ref",
               "wifi_wcss_rtc" for "qcom,ipq4019-wifi" compatible target and
-              "cxo_ref_clk_pin" for "qcom,wcn3990-wifi"
+              "cxo_ref_clk_pin" and optionally "qdss" for "qcom,wcn3990-wifi"
               compatible target.
 - qcom,msi_addr: MSI interrupt address.
 - qcom,msi_base: Base value to add before writing MSI data into

diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 7e85c4916e7f5d6ad5c964b561a670b93b5f6397..aeb4cca92c351f22f50cf43776a078b514a591e4 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -46,7 +46,7 @@ static const char * const ath10k_regulators[] = {
 };
 
 static const char * const ath10k_clocks[] = {
-       "cxo_ref_clk_pin",
+       "cxo_ref_clk_pin", "qdss",
 };
 
 static void ath10k_snoc_htc_tx_cb(struct ath10k_ce_pipe *ce_state);