linux-kernel - [PATCH 1/2] ath10k: Add optional qdss clk

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Message-Id: <20191223054855.3020665-2-bjorn.andersson@linaro.org>
Date:   Sun, 22 Dec 2019 21:48:54 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Andy Gross <agross@...nel.org>, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        ath10k@...ts.infradead.org
Subject: [PATCH 1/2] 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@...aro.org>
---
 Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 2 +-
 drivers/net/wireless/ath/ath10k/snoc.c                         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 017128394a3e..3fc2cce4626b 100644
--- 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 7e85c4916e7f..aeb4cca92c35 100644
--- 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);
-- 
2.24.0