clk: imx6q: remove clks_init_on array
authorAnson Huang <Anson.Huang@nxp.com>
Mon, 4 Jun 2018 01:06:43 +0000 (09:06 +0800)
committerStephen Boyd <sboyd@kernel.org>
Fri, 29 Jun 2018 18:28:16 +0000 (11:28 -0700)
Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.

ARM clock is busy divider type which has the
CLK_IS_CRITICAL flag set by default when registered.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/imx/clk-imx6q.c

index b9ea703..8754c61 100644 (file)
@@ -96,12 +96,6 @@ static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
 static struct clk *clk[IMX6QDL_CLK_END];
 static struct clk_onecell_data clk_data;
 
-static unsigned int const clks_init_on[] __initconst = {
-       IMX6QDL_CLK_MMDC_CH0_AXI,
-       IMX6QDL_CLK_ROM,
-       IMX6QDL_CLK_ARM,
-};
-
 static struct clk_div_table clk_enet_ref_table[] = {
        { .val = 0, .div = 20, },
        { .val = 1, .div = 10, },
@@ -417,7 +411,6 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 {
        struct device_node *np;
        void __iomem *anatop_base, *base;
-       int i;
        int ret;
 
        clk[IMX6QDL_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
@@ -794,7 +787,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
                clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb",            "mlb_podf",   base + 0x74, 18);
        else
                clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb",            "axi",               base + 0x74, 18);
-       clk[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_gate2("mmdc_ch0_axi",  "mmdc_ch0_axi_podf", base + 0x74, 20);
+       clk[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_gate2_flags("mmdc_ch0_axi",  "mmdc_ch0_axi_podf", base + 0x74, 20, CLK_IS_CRITICAL);
        clk[IMX6QDL_CLK_MMDC_CH1_AXI] = imx_clk_gate2("mmdc_ch1_axi",  "mmdc_ch1_axi_podf", base + 0x74, 22);
        clk[IMX6QDL_CLK_OCRAM]        = imx_clk_gate2("ocram",         "ahb",               base + 0x74, 28);
        clk[IMX6QDL_CLK_OPENVG_AXI]   = imx_clk_gate2("openvg_axi",    "axi",               base + 0x74, 30);
@@ -808,7 +801,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
        clk[IMX6QDL_CLK_GPMI_BCH]     = imx_clk_gate2("gpmi_bch",      "usdhc4",            base + 0x78, 26);
        clk[IMX6QDL_CLK_GPMI_IO]      = imx_clk_gate2("gpmi_io",       "enfc",              base + 0x78, 28);
        clk[IMX6QDL_CLK_GPMI_APB]     = imx_clk_gate2("gpmi_apb",      "usdhc3",            base + 0x78, 30);
-       clk[IMX6QDL_CLK_ROM]          = imx_clk_gate2("rom",           "ahb",               base + 0x7c, 0);
+       clk[IMX6QDL_CLK_ROM]          = imx_clk_gate2_flags("rom",     "ahb",               base + 0x7c, 0, CLK_IS_CRITICAL);
        clk[IMX6QDL_CLK_SATA]         = imx_clk_gate2("sata",          "ahb",               base + 0x7c, 4);
        clk[IMX6QDL_CLK_SDMA]         = imx_clk_gate2("sdma",          "ahb",               base + 0x7c, 6);
        clk[IMX6QDL_CLK_SPBA]         = imx_clk_gate2("spba",          "ipg",               base + 0x7c, 12);
@@ -878,9 +871,6 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
         */
        clk_set_parent(clk[IMX6QDL_CLK_ENFC_SEL], clk[IMX6QDL_CLK_PLL2_PFD2_396M]);
 
-       for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
-               clk_prepare_enable(clk[clks_init_on[i]]);
-
        if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
                clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY1_GATE]);
                clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY2_GATE]);