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path: root/drivers/clk/qcom/clk-smd-rpm.c
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2017-07-17clk: qcom: clk-smd-rpm: Fix the reported rate of branchesGeorgi Djakov
As there is no way to actually query the hardware for the current clock rate, now racalc_rate() just returns the last rate that was previously set. But if the rate was not set yet, we return the bogus rate of 1000Hz. The branch clocks have the same rate as their parent, so in this case we just need to remove recalc_rate ops and then the core framework will handle this automagically. The round_rate() is unused, so remove it as well. Reported-by: Archit Taneja <architt@codeaurora.org> Fixes: 00f64b58874e ("clk: qcom: Add support for SMD-RPM Clocks") Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2017-04-19clk: qcom: clk-smd-rpm: fix rate for branch clks during handoffSrinivas Kandagatla
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@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-12-21clk: qcom: smd-rpmcc: Add msm8974 clocksBjorn Andersson
This adds all RPM based clocks for msm8974, except cxo and gfx3d_clk_src. Tested-by: Georgi Djakov <georgi.djakov@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-11-23clk: qcom: clk-smd-rpm: Fix clk_hw referencesGeorgi Djakov
Fix the clk_hw references to the actual clocks and add a xlate function to return the hw pointers from the already existing static array. Reported-by: Michael Scott <michael.scott@linaro.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-11-10clk: qcom: Add support for SMD-RPM ClocksGeorgi Djakov
This adds initial support for clocks controlled by the Resource Power Manager (RPM) processor on some Qualcomm SoCs, which use the qcom_smd_rpm driver to communicate with RPM. Such platforms are msm8916, apq8084 and msm8974. The RPM is a dedicated hardware engine for managing the shared SoC resources in order to keep the lowest power profile. It communicates with other hardware subsystems via shared memory and accepts clock requests, aggregates the requests and turns the clocks on/off or scales them on demand. This driver is based on the codeaurora.org driver: https://www.codeaurora.org/cgit/quic/la/kernel/msm-3.10/tree/drivers/clk/qcom/clock-rpm.c Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Acked-by: Rob Herring <robh@kernel.org> [sboyd@codeaurora.org: Remove useless braces for single line if] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>