clk: tegra: Miscellaneous coding style cleanups

Use unsigned int for loop variables that can never become negative and
remove a couple of gratuitous blank lines. Also use single spaces around
operators and use a single space instead of a tab to separate comments
from code.

Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/clk/tegra/clk-pll.c

@@ -439,7 +439,7 @@ static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
 		/*
 		 * PLL_P_OUT1 rate is not listed in PLLA table
 		 */
-		cfreq = parent_rate/(parent_rate/1000000);
+		cfreq = parent_rate / (parent_rate / 1000000);
 		break;
 	default:
 		pr_err("%s Unexpected reference rate %lu\n",
@@ -936,8 +936,8 @@ static int _calc_dynamic_ramp_rate(struct clk_hw *hw,
 	p_div = _p_div_to_hw(hw, p);
 	if (p_div < 0)
 		return p_div;
-	else
-		cfg->p = p_div;
+
+	cfg->p = p_div;
 
 	if (cfg->n > divn_max(pll) || cfg->output_rate > pll->params->vco_max)
 		return -EINVAL;

drivers/clk/tegra/clk-tegra114.c

@@ -215,7 +215,7 @@ static struct tegra_clk_pll_params pll_c_params = {
 	.input_min = 12000000,
 	.input_max = 800000000,
 	.cf_min = 12000000,
-	.cf_max = 19200000,	/* s/w policy, h/w capability 50 MHz */
+	.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
 	.vco_min = 600000000,
 	.vco_max = 1400000000,
 	.base_reg = PLLC_BASE,
@@ -337,7 +337,7 @@ static struct tegra_clk_pll_params pll_m_params = {
 	.input_min = 12000000,
 	.input_max = 500000000,
 	.cf_min = 12000000,
-	.cf_max = 19200000,	/* s/w policy, h/w capability 50 MHz */
+	.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
 	.vco_min = 400000000,
 	.vco_max = 1066000000,
 	.base_reg = PLLM_BASE,
@@ -534,7 +534,7 @@ static struct tegra_clk_pll_params pll_x_params = {
 	.input_min = 12000000,
 	.input_max = 800000000,
 	.cf_min = 12000000,
-	.cf_max = 19200000,	/* s/w policy, h/w capability 50 MHz */
+	.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
 	.vco_min = 700000000,
 	.vco_max = 2400000000U,
 	.base_reg = PLLX_BASE,
@@ -965,8 +965,8 @@ static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
 
 static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
 {
+	unsigned int i;
 	u32 reg;
-	int i;
 
 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
 		if (osc_freq == utmi_parameters[i].osc_frequency)
@@ -1173,7 +1173,7 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base,
 {
 	struct clk *clk;
 	struct tegra_periph_init_data *data;
-	int i;
+	unsigned int i;
 
 	/* xusb_ss_div2 */
 	clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
@@ -1278,7 +1278,7 @@ static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
 
 static const struct of_device_id pmc_match[] __initconst = {
 	{ .compatible = "nvidia,tegra114-pmc" },
-	{},
+	{ },
 };
 
 /*

drivers/clk/tegra/clk-tegra124.c

@@ -235,7 +235,7 @@ static struct tegra_clk_pll_params pll_c_params = {
 	.input_min = 12000000,
 	.input_max = 800000000,
 	.cf_min = 12000000,
-	.cf_max = 19200000,	/* s/w policy, h/w capability 50 MHz */
+	.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
 	.vco_min = 600000000,
 	.vco_max = 1400000000,
 	.base_reg = PLLC_BASE,
@@ -1024,8 +1024,8 @@ static struct clk **clks;
 
 static void tegra124_utmi_param_configure(void __iomem *clk_base)
 {
+	unsigned int i;
 	u32 reg;
-	int i;
 
 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
 		if (osc_freq == utmi_parameters[i].osc_frequency)
@@ -1356,7 +1356,7 @@ static struct tegra_cpu_car_ops tegra124_cpu_car_ops = {
 
 static const struct of_device_id pmc_match[] __initconst = {
 	{ .compatible = "nvidia,tegra124-pmc" },
-	{},
+	{ },
 };
 
 static struct tegra_clk_init_table common_init_table[] __initdata = {

drivers/clk/tegra/clk-tegra20.c

@@ -759,7 +759,6 @@ static void __init tegra20_audio_clk_init(void)
 				    CLK_SET_RATE_PARENT, 89,
 				    periph_clk_enb_refcnt);
 	clks[TEGRA20_CLK_AUDIO_2X] = clk;
-
 }
 
 static const char *i2s1_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
@@ -802,7 +801,7 @@ static void __init tegra20_periph_clk_init(void)
 {
 	struct tegra_periph_init_data *data;
 	struct clk *clk;
-	int i;
+	unsigned int i;
 
 	/* ac97 */
 	clk = tegra_clk_register_periph_gate("ac97", "pll_a_out0",
@@ -1085,7 +1084,7 @@ static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
 
 static const struct of_device_id pmc_match[] __initconst = {
 	{ .compatible = "nvidia,tegra20-pmc" },
-	{},
+	{ },
 };
 
 static void __init tegra20_clock_init(struct device_node *np)

drivers/clk/tegra/clk-tegra30.c

@@ -505,7 +505,6 @@ static struct tegra_clk_pll_params pll_d_params = {
 	.freq_table = pll_d_freq_table,
 	.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
 		 TEGRA_PLL_USE_LOCK,
-
 };
 
 static struct tegra_clk_pll_params pll_d2_params = {
@@ -861,13 +860,12 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = {
 	[tegra_clk_pll_p_out4] = { .dt_id = TEGRA30_CLK_PLL_P_OUT4, .present = true },
 	[tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true },
 	[tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true },
-
 };
 
 static void tegra30_utmi_param_configure(void)
 {
+	unsigned int i;
 	u32 reg;
-	int i;
 
 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
 		if (input_freq == utmi_parameters[i].osc_frequency)
@@ -925,7 +923,7 @@ static void __init tegra30_pll_init(void)
 
 	/* PLLC */
 	clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0,
-				&pll_c_params, NULL);
+				     &pll_c_params, NULL);
 	clks[TEGRA30_CLK_PLL_C] = clk;
 
 	/* PLLC_OUT1 */
@@ -1135,7 +1133,7 @@ static void __init tegra30_periph_clk_init(void)
 {
 	struct tegra_periph_init_data *data;
 	struct clk *clk;
-	int i;
+	unsigned int i;
 
 	/* dsia */
 	clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base,
@@ -1224,7 +1222,6 @@ static void tegra30_cpu_out_of_reset(u32 cpu)
 	wmb();
 }
 
-
 static void tegra30_enable_cpu_clock(u32 cpu)
 {
 	unsigned int reg;
@@ -1237,7 +1234,6 @@ static void tegra30_enable_cpu_clock(u32 cpu)
 
 static void tegra30_disable_cpu_clock(u32 cpu)
 {
-
 	unsigned int reg;
 
 	reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
@@ -1268,7 +1264,7 @@ static void tegra30_cpu_clock_suspend(void)
 	/* switch coresite to clk_m, save off original source */
 	tegra30_cpu_clk_sctx.clk_csite_src =
 				readl(clk_base + CLK_RESET_SOURCE_CSITE);
-	writel(3<<30, clk_base + CLK_RESET_SOURCE_CSITE);
+	writel(3 << 30, clk_base + CLK_RESET_SOURCE_CSITE);
 
 	tegra30_cpu_clk_sctx.cpu_burst =
 				readl(clk_base + CLK_RESET_CCLK_BURST);
@@ -1402,7 +1398,7 @@ static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
 
 static const struct of_device_id pmc_match[] __initconst = {
 	{ .compatible = "nvidia,tegra30-pmc" },
-	{},
+	{ },
 };
 
 static struct tegra_audio_clk_info tegra30_audio_plls[] = {
@@ -1441,7 +1437,6 @@ static void __init tegra30_clock_init(struct device_node *np)
 			       NULL) < 0)
 		return;
 
-
 	tegra_fixed_clk_init(tegra30_clks);
 	tegra30_pll_init();
 	tegra30_super_clk_init();