ARM: imx6q: prepare and enable init on clks directly instead of clk_get first
authorRichard Zhao <richard.zhao@freescale.com>
Mon, 14 May 2012 05:04:47 +0000 (13:04 +0800)
committerSascha Hauer <s.hauer@pengutronix.de>
Wed, 16 May 2012 10:46:23 +0000 (12:46 +0200)
This also removes the usboh3 clk from the initially turned on
clocks which leaked in from an internal development tree.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/mach-imx/clk-imx6q.c

index 24324f2..7b4751d 100644 (file)
@@ -122,10 +122,6 @@ static const char *cko1_sels[]     = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5
                                    "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
                                    "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", };
 
-static const char * const clks_init_on[] __initconst = {
-       "mmdc_ch0_axi", "mmdc_ch1_axi", "usboh3",
-};
-
 enum mx6q_clks {
        dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
        pll3_pfd0_720m, pll3_pfd1_540m, pll3_pfd2_508m, pll3_pfd3_454m,
@@ -160,11 +156,14 @@ enum mx6q_clks {
 
 static struct clk *clk[clk_max];
 
+static enum mx6q_clks const clks_init_on[] __initconst = {
+       mmdc_ch0_axi, mmdc_ch1_axi,
+};
+
 int __init mx6q_clocks_init(void)
 {
        struct device_node *np;
        void __iomem *base;
-       struct clk *c;
        int i, irq;
 
        clk[dummy] = imx_clk_fixed("dummy", 0);
@@ -419,15 +418,8 @@ int __init mx6q_clocks_init(void)
        clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
        clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
 
-       for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) {
-               c = clk_get_sys(clks_init_on[i], NULL);
-               if (IS_ERR(c)) {
-                       pr_err("%s: failed to get clk %s", __func__,
-                              clks_init_on[i]);
-                       return PTR_ERR(c);
-               }
-               clk_prepare_enable(c);
-       }
+       for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
+               clk_prepare_enable(clk[clks_init_on[i]]);
 
        np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
        base = of_iomap(np, 0);