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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2011-05-05 16:26:06 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-05-24 12:21:54 +0900
commita63666c146f85a5ddcc3b2443d7c5888490e66b2 (patch)
treed2b36fa0b4d8db659792fcb1423a748432e88598 /arch/arm/mach-shmobile
parentfe78e68ab8508550403238a489d6ba62b8079a50 (diff)
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>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c5
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c6
2 files changed, 0 insertions, 11 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 1e35fa976d64..74768d6c245b 100644
--- 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 008bd7f7883f..d94fd0c427a8 100644
--- 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);