ARM: mach-shmobile: PLL does not have to run constantly for HDMI

The PLLC2 clock on AP4 systems does not need to run constantly to be
able to use HDMI. The HDMI hotplug interrupt works without the PLL
too, after which all the necessary clocks will be turned on by the
runtime PM.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 1e35fa976d6450064e6a6b616d95864a7e73103b..74768d6c245bc55ebf3f0ebcfe3832c7fd6d158c 100644 (file)
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -980,11 +980,6 @@ static void __init hdmi_init_pm_clock(void)
                goto out;
        }
 
-       ret = clk_enable(&sh7372_pllc2_clk);
-       if (ret < 0) {
-               pr_err("Cannot enable pllc2 clock\n");
-               goto out;
-       }
        pr_debug("PLLC2 set frequency %lu\n", rate);
 
        ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 008bd7f7883fab34646f2c53695d6e6477fce361..d94fd0c427a8a36fb056f16bc4daeab687e0ee4c 100644 (file)
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -458,12 +458,6 @@ static void __init hdmi_init_pm_clock(void)
                goto out;
        }
 
-       ret = clk_enable(&sh7372_pllc2_clk);
-       if (ret < 0) {
-               pr_err("Cannot enable pllc2 clock\n");
-               goto out;
-       }
-
        pr_debug("PLLC2 set frequency %lu\n", rate);
 
        ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);