clk: sunxi: clk-sunxi: Demote a bunch of non-conformant kernel-doc headers

Fixes the following W=1 kernel build warning(s):

 drivers/clk/sunxi/clk-sunxi.c:34: warning: Function parameter or member 'req' not described in 'sun4i_get_pll1_factors'
 drivers/clk/sunxi/clk-sunxi.c:81: warning: Function parameter or member 'req' not described in 'sun6i_a31_get_pll1_factors'
 drivers/clk/sunxi/clk-sunxi.c:158: warning: Function parameter or member 'req' not described in 'sun8i_a23_get_pll1_factors'
 drivers/clk/sunxi/clk-sunxi.c:202: warning: Function parameter or member 'req' not described in 'sun4i_get_pll5_factors'
 drivers/clk/sunxi/clk-sunxi.c:229: warning: Function parameter or member 'req' not described in 'sun6i_a31_get_pll6_factors'
 drivers/clk/sunxi/clk-sunxi.c:250: warning: Function parameter or member 'req' not described in 'sun5i_a13_get_ahb_factors'
 drivers/clk/sunxi/clk-sunxi.c:289: warning: Function parameter or member 'req' not described in 'sun6i_get_ahb1_factors'
 drivers/clk/sunxi/clk-sunxi.c:328: warning: Function parameter or member 'req' not described in 'sun6i_ahb1_recalc'
 drivers/clk/sunxi/clk-sunxi.c:346: warning: Function parameter or member 'req' not described in 'sun4i_get_apb1_factors'
 drivers/clk/sunxi/clk-sunxi.c:385: warning: Function parameter or member 'req' not described in 'sun7i_a20_get_out_factors'
 drivers/clk/sunxi/clk-sunxi.c:415: warning: cannot understand function prototype: 'const struct clk_factors_config sun4i_pll1_config = '
 drivers/clk/sunxi/clk-sunxi.c:724: warning: cannot understand function prototype: 'struct div_data '
 drivers/clk/sunxi/clk-sunxi.c:945: warning: Function parameter or member 'node' not described in 'sunxi_divs_clk_setup'
 drivers/clk/sunxi/clk-sunxi.c:945: warning: Function parameter or member 'data' not described in 'sunxi_divs_clk_setup'

Cc: "Emilio López" <emilio@elopez.com.ar>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210120093040.1719407-15-lee.jones@linaro.org

drivers/clk/sunxi/clk-sunxi.c

@@ -23,7 +23,7 @@ static DEFINE_SPINLOCK(clk_lock);
 /* Maximum number of parents our clocks have */
 #define SUNXI_MAX_PARENTS	5
 
-/**
+/*
  * sun4i_get_pll1_factors() - calculates n, k, m, p factors for PLL1
  * PLL1 rate is calculated as follows
  * rate = (parent_rate * n * (k + 1) >> p) / (m + 1);
@@ -71,7 +71,7 @@ static void sun4i_get_pll1_factors(struct factors_request *req)
 	req->n = div / 4;
 }
 
-/**
+/*
  * sun6i_a31_get_pll1_factors() - calculates n, k and m factors for PLL1
  * PLL1 rate is calculated as follows
  * rate = parent_rate * (n + 1) * (k + 1) / (m + 1);
@@ -147,7 +147,7 @@ static void sun6i_a31_get_pll1_factors(struct factors_request *req)
 	}
 }
 
-/**
+/*
  * sun8i_a23_get_pll1_factors() - calculates n, k, m, p factors for PLL1
  * PLL1 rate is calculated as follows
  * rate = (parent_rate * (n + 1) * (k + 1) >> p) / (m + 1);
@@ -191,7 +191,7 @@ static void sun8i_a23_get_pll1_factors(struct factors_request *req)
 	req->n = div / 4 - 1;
 }
 
-/**
+/*
  * sun4i_get_pll5_factors() - calculates n, k factors for PLL5
  * PLL5 rate is calculated as follows
  * rate = parent_rate * n * (k + 1)
@@ -218,7 +218,7 @@ static void sun4i_get_pll5_factors(struct factors_request *req)
 	req->n = DIV_ROUND_UP(div, (req->k + 1));
 }
 
-/**
+/*
  * sun6i_a31_get_pll6_factors() - calculates n, k factors for A31 PLL6x2
  * PLL6x2 rate is calculated as follows
  * rate = parent_rate * (n + 1) * (k + 1)
@@ -240,7 +240,7 @@ static void sun6i_a31_get_pll6_factors(struct factors_request *req)
 	req->n = DIV_ROUND_UP(div, (req->k + 1)) - 1;
 }
 
-/**
+/*
  * sun5i_a13_get_ahb_factors() - calculates m, p factors for AHB
  * AHB rate is calculated as follows
  * rate = parent_rate >> p
@@ -276,7 +276,7 @@ static void sun5i_a13_get_ahb_factors(struct factors_request *req)
 
 #define SUN6I_AHB1_PARENT_PLL6	3
 
-/**
+/*
  * sun6i_a31_get_ahb_factors() - calculates m, p factors for AHB
  * AHB rate is calculated as follows
  * rate = parent_rate >> p
@@ -320,7 +320,7 @@ static void sun6i_get_ahb1_factors(struct factors_request *req)
 	req->m = calcm - 1;
 }
 
-/**
+/*
  * sun6i_ahb1_recalc() - calculates AHB clock rate from m, p factors and
  *			 parent index
  */
@@ -336,7 +336,7 @@ static void sun6i_ahb1_recalc(struct factors_request *req)
 	req->rate >>= req->p;
 }
 
-/**
+/*
  * sun4i_get_apb1_factors() - calculates m, p factors for APB1
  * APB1 rate is calculated as follows
  * rate = (parent_rate >> p) / (m + 1);
@@ -375,7 +375,7 @@ static void sun4i_get_apb1_factors(struct factors_request *req)
 
 
 
-/**
+/*
  * sun7i_a20_get_out_factors() - calculates m, p factors for CLK_OUT_A/B
  * CLK_OUT rate is calculated as follows
  * rate = (parent_rate >> p) / (m + 1);
@@ -408,7 +408,7 @@ static void sun7i_a20_get_out_factors(struct factors_request *req)
 	req->p = calcp;
 }
 
-/**
+/*
  * sunxi_factors_clk_setup() - Setup function for factor clocks
  */
 
@@ -625,7 +625,7 @@ CLK_OF_DECLARE(sun7i_out, "allwinner,sun7i-a20-out-clk",
 	       sun7i_out_clk_setup);
 
 
-/**
+/*
  * sunxi_mux_clk_setup() - Setup function for muxes
  */
 
@@ -717,7 +717,7 @@ CLK_OF_DECLARE(sun8i_ahb2, "allwinner,sun8i-h3-ahb2-clk",
 	       sun8i_ahb2_clk_setup);
 
 
-/**
+/*
  * sunxi_divider_clk_setup() - Setup function for simple divider clocks
  */
 
@@ -853,7 +853,7 @@ CLK_OF_DECLARE(sun8i_axi, "allwinner,sun8i-a23-axi-clk",
 
 
 
-/**
+/*
  * sunxi_gates_clk_setup() - Setup function for leaf gates on clocks
  */
 
@@ -863,7 +863,7 @@ struct gates_data {
 	DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
 };
 
-/**
+/*
  * sunxi_divs_clk_setup() helper data
  */
 
@@ -929,7 +929,7 @@ static const struct divs_data sun6i_a31_pll6_divs_data __initconst = {
 	}
 };
 
-/**
+/*
  * sunxi_divs_clk_setup() - Setup function for leaf divisors on clocks
  *
  * These clocks look something like this