linux-kernel - [PATCH] clk: qcom: clk-smd-rpm: fix rate for branch clks during handoff

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Date:   Tue, 21 Mar 2017 10:12:59 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Andy Gross <andy.gross@...aro.org>,
        Stephen Boyd <sboyd@...eaurora.org>, linux-clk@...r.kernel.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH] clk: qcom: clk-smd-rpm: fix rate for branch clks during handoff

rpm branch clk rate should requested as either 0 or 1 but not INT_MAX.
This patch fixes rate request for branch clocks during clk handoff.

Suggested-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/clk/qcom/clk-smd-rpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
index 3487c26..d990fe44 100644
--- a/drivers/clk/qcom/clk-smd-rpm.c
+++ b/drivers/clk/qcom/clk-smd-rpm.c
@@ -165,7 +165,7 @@ static int clk_smd_rpm_handoff(struct clk_smd_rpm *r)
 	struct clk_smd_rpm_req req = {
 		.key = cpu_to_le32(r->rpm_key),
 		.nbytes = cpu_to_le32(sizeof(u32)),
-		.value = cpu_to_le32(INT_MAX),
+		.value = cpu_to_le32(r->branch ? 1 : INT_MAX),
 	};
 
 	ret = qcom_rpm_smd_write(r->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
-- 
2.7.4