target/linux/ipq806x/patches-4.4/180-clk-qcom-Always-add-factor-clock-for-xo-clocks.patch

   1 From patchwork Wed Nov  2 15:56:58 2016
   2 Content-Type: text/plain; charset="utf-8"
   3 MIME-Version: 1.0
   4 Content-Transfer-Encoding: 7bit
   5 Subject: [v9,3/3] clk: qcom: Always add factor clock for xo clocks
   6 From: Georgi Djakov <georgi.djakov@linaro.org>
   7 X-Patchwork-Id: 9409421
   8 Message-Id: <20161102155658.32203-4-georgi.djakov@linaro.org>
   9 To: sboyd@codeaurora.org, mturquette@baylibre.com
  10 Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
  11  robh+dt@kernel.org, mark.rutland@arm.com,
  12  linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
  13  georgi.djakov@linaro.org
  14 Date: Wed,  2 Nov 2016 17:56:58 +0200
  15
  16 Currently the RPM/RPM-SMD clock drivers do not register the xo clocks,
  17 so we should always add factor clock. When we later add xo clocks support
  18 into the drivers, we should update this function to skip registration.
  19 By doing so we avoid any DT dependencies.
  20
  21 Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
  22 ---
  23  drivers/clk/qcom/common.c | 15 ++++++---------
  24  1 file changed, 6 insertions(+), 9 deletions(-)
  25
  26 --
  27 To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
  28 the body of a message to majordomo@vger.kernel.org
  29 More majordomo info at  http://vger.kernel.org/majordomo-info.html
  30
  31 --- a/drivers/clk/qcom/common.c
  32 +++ b/drivers/clk/qcom/common.c
  33 @@ -154,15 +154,12 @@ int qcom_cc_register_board_clk(struct de
  34                                const char *name, unsigned long rate)
  35  {
  36         bool add_factor = true;
  37 -       struct device_node *node;
  38
  39 -       /* The RPM clock driver will add the factor clock if present */
  40 -       if (IS_ENABLED(CONFIG_QCOM_RPMCC)) {
  41 -               node = of_find_compatible_node(NULL, NULL, "qcom,rpmcc");
  42 -               if (of_device_is_available(node))
  43 -                       add_factor = false;
  44 -               of_node_put(node);
  45 -       }
  46 +       /*
  47 +        * TODO: The RPM clock driver currently does not support the xo clock.
  48 +        * When xo is added to the RPM clock driver, we should change this
  49 +        * function to skip registration of xo factor clocks.
  50 +        */
  51
  52         return _qcom_cc_register_board_clk(dev, path, name, rate, add_factor);
  53  }