OMAP: DSS2: DPI: remove unneeded SYSCK enable/disable

DSI PLL requires sys_clk to function, and DPI enables sys_clk when it
wants to use DSI PLL. However, DSI PLL code already handles enabling
sys_clk, so DPI's sys_clk code is extra.

Remove the unneeded sys_clk handling from dpi.c.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index ff6bd30..bab55cd 100644 (file)
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -202,15 +202,14 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
                goto err2;
 
        if (dpi_use_dsi_pll(dssdev)) {
-               dss_clk_enable(DSS_CLK_SYSCK);
                r = dsi_pll_init(dpi.dsidev, 0, 1);
                if (r)
-                       goto err3;
+                       goto err2;
        }
 
        r = dpi_set_mode(dssdev);
        if (r)
-               goto err4;
+               goto err3;
 
        mdelay(2);
 
@@ -218,12 +217,9 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 
        return 0;
 
-err4:
-       if (dpi_use_dsi_pll(dssdev))
-               dsi_pll_uninit(dpi.dsidev, true);
 err3:
        if (dpi_use_dsi_pll(dssdev))
-               dss_clk_disable(DSS_CLK_SYSCK);
+               dsi_pll_uninit(dpi.dsidev, true);
 err2:
        dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
        if (cpu_is_omap34xx())
@@ -242,7 +238,6 @@ void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
        if (dpi_use_dsi_pll(dssdev)) {
                dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
                dsi_pll_uninit(dpi.dsidev, true);
-               dss_clk_disable(DSS_CLK_SYSCK);
        }
 
        dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);