OMAPDSS: add clk_prepare_enable and clk_disable_unprepare
In preparation of OMAP moving to Common Clk Framework(CCF) change
clk_enable() and clk_disable() calls to clk_prepare_enable() and
clk_disable_unprepare() in omapdss. This can be safely done, as omapdss
never enables or disables clocks in atomic context.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: <linux-fbdev@vger.kernel.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Mike Turquette <mturquette@linaro.org>
[tomi.valkeinen@ti.com: updated patch description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index ca8382d..423ef6a 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1085,9 +1085,9 @@
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
if (enable)
- clk_enable(dsi->sys_clk);
+ clk_prepare_enable(dsi->sys_clk);
else
- clk_disable(dsi->sys_clk);
+ clk_disable_unprepare(dsi->sys_clk);
if (enable && dsi->pll_locked) {
if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 1, 1) != 1)
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 8195c71..b9424b3 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -785,7 +785,7 @@
static int hdmi_runtime_suspend(struct device *dev)
{
- clk_disable(hdmi.sys_clk);
+ clk_disable_unprepare(hdmi.sys_clk);
dispc_runtime_put();
@@ -800,7 +800,7 @@
if (r < 0)
return r;
- clk_enable(hdmi.sys_clk);
+ clk_prepare_enable(hdmi.sys_clk);
return 0;
}
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 2b89739..fd37440 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -930,7 +930,7 @@
static int venc_runtime_suspend(struct device *dev)
{
if (venc.tv_dac_clk)
- clk_disable(venc.tv_dac_clk);
+ clk_disable_unprepare(venc.tv_dac_clk);
dispc_runtime_put();
@@ -946,7 +946,7 @@
return r;
if (venc.tv_dac_clk)
- clk_enable(venc.tv_dac_clk);
+ clk_prepare_enable(venc.tv_dac_clk);
return 0;
}