diff options
Diffstat (limited to 'drivers/clk/clk-lmk04832.c')
| -rw-r--r-- | drivers/clk/clk-lmk04832.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/clk/clk-lmk04832.c b/drivers/clk/clk-lmk04832.c index f416f8bc2898..57485356de4c 100644 --- a/drivers/clk/clk-lmk04832.c +++ b/drivers/clk/clk-lmk04832.c @@ -12,12 +12,10 @@ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/clk-provider.h> -#include <linux/debugfs.h> #include <linux/device.h> #include <linux/gcd.h> #include <linux/gpio/consumer.h> #include <linux/module.h> -#include <linux/uaccess.h> #include <linux/regmap.h> #include <linux/spi/spi.h> @@ -177,14 +175,14 @@ enum lmk04832_device_types { }; /** - * lmk04832_device_info - Holds static device information that is specific to - * the chip revision + * struct lmk04832_device_info - Holds static device information that is + * specific to the chip revision * - * pid: Product Identifier - * maskrev: IC version identifier - * num_channels: Number of available output channels (clkout count) - * vco0_range: {min, max} of the VCO0 operating range (in MHz) - * vco1_range: {min, max} of the VCO1 operating range (in MHz) + * @pid: Product Identifier + * @maskrev: IC version identifier + * @num_channels: Number of available output channels (clkout count) + * @vco0_range: {min, max} of the VCO0 operating range (in MHz) + * @vco1_range: {min, max} of the VCO1 operating range (in MHz) */ struct lmk04832_device_info { u16 pid; @@ -282,7 +280,7 @@ static bool lmk04832_regmap_rd_regs(struct device *dev, unsigned int reg) default: return false; }; -}; +} static bool lmk04832_regmap_wr_regs(struct device *dev, unsigned int reg) { @@ -305,7 +303,7 @@ static bool lmk04832_regmap_wr_regs(struct device *dev, unsigned int reg) default: return false; }; -}; +} static const struct regmap_config regmap_config = { .name = "lmk04832", @@ -371,7 +369,7 @@ static unsigned long lmk04832_vco_recalc_rate(struct clk_hw *hw, unsigned long prate) { struct lmk04832 *lmk = container_of(hw, struct lmk04832, vco); - unsigned int pll2_p[] = {8, 2, 2, 3, 4, 5, 6, 7}; + const unsigned int pll2_p[] = {8, 2, 2, 3, 4, 5, 6, 7}; unsigned int pll2_n, p, pll2_r; unsigned int pll2_misc; unsigned long vco_rate; @@ -403,7 +401,7 @@ static unsigned long lmk04832_vco_recalc_rate(struct clk_hw *hw, pll2_misc)) * pll2_n * pll2_p[p] / pll2_r; return vco_rate; -}; +} /** * lmk04832_check_vco_ranges - Check requested VCO frequency against VCO ranges @@ -414,7 +412,7 @@ static unsigned long lmk04832_vco_recalc_rate(struct clk_hw *hw, * The LMK04832 has 2 internal VCO, each with independent operating ranges. * Use the device_info structure to determine which VCO to use based on rate. * - * Returns VCO_MUX value or negative errno. + * Returns: VCO_MUX value or negative errno. */ static int lmk04832_check_vco_ranges(struct lmk04832 *lmk, unsigned long rate) { @@ -451,7 +449,7 @@ static int lmk04832_check_vco_ranges(struct lmk04832 *lmk, unsigned long rate) * * VCO = OSCin * 2 * PLL2_N * PLL2_P / PLL2_R * - * Returns vco rate or negative errno. + * Returns: vco rate or negative errno. */ static long lmk04832_calc_pll2_params(unsigned long prate, unsigned long rate, unsigned int *n, unsigned int *p, @@ -509,7 +507,7 @@ static long lmk04832_vco_round_rate(struct clk_hw *hw, unsigned long rate, return -EINVAL; return vco_rate; -}; +} static int lmk04832_vco_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long prate) @@ -568,7 +566,7 @@ static int lmk04832_vco_set_rate(struct clk_hw *hw, unsigned long rate, return regmap_write(lmk->regmap, LMK04832_REG_PLL2_N_2, FIELD_GET(0x0000ff, n)); -}; +} static const struct clk_ops lmk04832_vco_ops = { .is_enabled = lmk04832_vco_is_enabled, @@ -633,7 +631,7 @@ static int lmk04832_register_vco(struct lmk04832 *lmk) static int lmk04832_clkout_set_ddly(struct lmk04832 *lmk, int id) { - int dclk_div_adj[] = {0, 0, -2, -2, 0, 3, -1, 0}; + const int dclk_div_adj[] = {0, 0, -2, -2, 0, 3, -1, 0}; unsigned int sclkx_y_ddly = 10; unsigned int dclkx_y_ddly; unsigned int dclkx_y_div; @@ -1063,7 +1061,7 @@ static unsigned long lmk04832_dclk_recalc_rate(struct clk_hw *hw, rate = DIV_ROUND_CLOSEST(prate, dclk_div); return rate; -}; +} static long lmk04832_dclk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) @@ -1085,7 +1083,7 @@ static long lmk04832_dclk_round_rate(struct clk_hw *hw, unsigned long rate, return -EINVAL; return dclk_rate; -}; +} static int lmk04832_dclk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long prate) @@ -1147,7 +1145,7 @@ static int lmk04832_dclk_set_rate(struct clk_hw *hw, unsigned long rate, dev_err(lmk->dev, "SYNC sequence failed\n"); return ret; -}; +} static const struct clk_ops lmk04832_dclk_ops = { .is_enabled = lmk04832_dclk_is_enabled, @@ -1551,6 +1549,7 @@ static void lmk04832_remove(struct spi_device *spi) clk_disable_unprepare(lmk->oscin); of_clk_del_provider(spi->dev.of_node); } + static const struct spi_device_id lmk04832_id[] = { { "lmk04832", LMK04832 }, {} |