17 static inline u32 clk_fd_readl(struct clk_fractional_divider *fd)  in clk_fd_readl()  argument
19 	if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN)  in clk_fd_readl()
20 		return ioread32be(fd->reg);  in clk_fd_readl()
22 	return readl(fd->reg);  in clk_fd_readl()
25 static inline void clk_fd_writel(struct clk_fractional_divider *fd, u32 val)  in clk_fd_writel()  argument
27 	if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN)  in clk_fd_writel()
28 		iowrite32be(val, fd->reg);  in clk_fd_writel()
30 		writel(val, fd->reg);  in clk_fd_writel()
36 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_recalc_rate()  local
42 	if (fd->lock)  in clk_fd_recalc_rate()
43 		spin_lock_irqsave(fd->lock, flags);  in clk_fd_recalc_rate()
45 		__acquire(fd->lock);  in clk_fd_recalc_rate()
47 	val = clk_fd_readl(fd);  in clk_fd_recalc_rate()
49 	if (fd->lock)  in clk_fd_recalc_rate()
50 		spin_unlock_irqrestore(fd->lock, flags);  in clk_fd_recalc_rate()
52 		__release(fd->lock);  in clk_fd_recalc_rate()
54 	m = (val & fd->mmask) >> fd->mshift;  in clk_fd_recalc_rate()
55 	n = (val & fd->nmask) >> fd->nshift;  in clk_fd_recalc_rate()
57 	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {  in clk_fd_recalc_rate()
75 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_general_approximation()  local
84 	if (scale > fd->nwidth)  in clk_fd_general_approximation()
85 		rate <<= scale - fd->nwidth;  in clk_fd_general_approximation()
88 			GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),  in clk_fd_general_approximation()
95 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_round_rate()  local
102 	if (fd->approximation)  in clk_fd_round_rate()
103 		fd->approximation(hw, rate, parent_rate, &m, &n);  in clk_fd_round_rate()
116 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_set_rate()  local
122 			GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),  in clk_fd_set_rate()
125 	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {  in clk_fd_set_rate()
149 		if (n > fd->nmask) {  in clk_fd_set_rate()
152 			n = fd->nmask;  in clk_fd_set_rate()
156 	if (fd->lock)  in clk_fd_set_rate()
157 		spin_lock_irqsave(fd->lock, flags);  in clk_fd_set_rate()
159 		__acquire(fd->lock);  in clk_fd_set_rate()
161 	val = clk_fd_readl(fd);  in clk_fd_set_rate()
162 	val &= ~(fd->mmask | fd->nmask);  in clk_fd_set_rate()
163 	val |= (m << fd->mshift) | (n << fd->nshift);  in clk_fd_set_rate()
164 	clk_fd_writel(fd, val);  in clk_fd_set_rate()
166 	if (fd->lock)  in clk_fd_set_rate()
167 		spin_unlock_irqrestore(fd->lock, flags);  in clk_fd_set_rate()
169 		__release(fd->lock);  in clk_fd_set_rate()
186 	struct clk_fractional_divider *fd;  in clk_hw_register_fractional_divider()  local
191 	fd = kzalloc(sizeof(*fd), GFP_KERNEL);  in clk_hw_register_fractional_divider()
192 	if (!fd)  in clk_hw_register_fractional_divider()
201 	fd->reg = reg;  in clk_hw_register_fractional_divider()
202 	fd->mshift = mshift;  in clk_hw_register_fractional_divider()
203 	fd->mwidth = mwidth;  in clk_hw_register_fractional_divider()
204 	fd->mmask = GENMASK(mwidth - 1, 0) << mshift;  in clk_hw_register_fractional_divider()
205 	fd->nshift = nshift;  in clk_hw_register_fractional_divider()
206 	fd->nwidth = nwidth;  in clk_hw_register_fractional_divider()
207 	fd->nmask = GENMASK(nwidth - 1, 0) << nshift;  in clk_hw_register_fractional_divider()
208 	fd->flags = clk_divider_flags;  in clk_hw_register_fractional_divider()
209 	fd->lock = lock;  in clk_hw_register_fractional_divider()
210 	fd->hw.init = &init;  in clk_hw_register_fractional_divider()
212 	hw = &fd->hw;  in clk_hw_register_fractional_divider()
215 		kfree(fd);  in clk_hw_register_fractional_divider()
241 	struct clk_fractional_divider *fd;  in clk_hw_unregister_fractional_divider()  local
243 	fd = to_clk_fd(hw);  in clk_hw_unregister_fractional_divider()
246 	kfree(fd);  in clk_hw_unregister_fractional_divider()