50 static inline u32 clk_fd_readl(struct clk_fractional_divider *fd)  in clk_fd_readl()  argument
52 	if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN)  in clk_fd_readl()
53 		return ioread32be(fd->reg);  in clk_fd_readl()
55 	return readl(fd->reg);  in clk_fd_readl()
58 static inline void clk_fd_writel(struct clk_fractional_divider *fd, u32 val)  in clk_fd_writel()  argument
60 	if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN)  in clk_fd_writel()
61 		iowrite32be(val, fd->reg);  in clk_fd_writel()
63 		writel(val, fd->reg);  in clk_fd_writel()
69 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_recalc_rate()  local
75 	if (fd->lock)  in clk_fd_recalc_rate()
76 		spin_lock_irqsave(fd->lock, flags);  in clk_fd_recalc_rate()
78 		__acquire(fd->lock);  in clk_fd_recalc_rate()
80 	val = clk_fd_readl(fd);  in clk_fd_recalc_rate()
82 	if (fd->lock)  in clk_fd_recalc_rate()
83 		spin_unlock_irqrestore(fd->lock, flags);  in clk_fd_recalc_rate()
85 		__release(fd->lock);  in clk_fd_recalc_rate()
87 	m = (val & fd->mmask) >> fd->mshift;  in clk_fd_recalc_rate()
88 	n = (val & fd->nmask) >> fd->nshift;  in clk_fd_recalc_rate()
90 	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {  in clk_fd_recalc_rate()
109 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fractional_divider_general_approximation()  local
118 	if (fd->flags & CLK_FRAC_DIVIDER_POWER_OF_TWO_PS) {  in clk_fractional_divider_general_approximation()
121 		if (scale > fd->nwidth)  in clk_fractional_divider_general_approximation()
122 			rate <<= scale - fd->nwidth;  in clk_fractional_divider_general_approximation()
126 			GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),  in clk_fractional_divider_general_approximation()
133 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_round_rate()  local
140 	if (fd->approximation)  in clk_fd_round_rate()
141 		fd->approximation(hw, rate, parent_rate, &m, &n);  in clk_fd_round_rate()
154 	struct clk_fractional_divider *fd = to_clk_fd(hw);  in clk_fd_set_rate()  local
160 			GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),  in clk_fd_set_rate()
163 	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {  in clk_fd_set_rate()
168 	if (fd->lock)  in clk_fd_set_rate()
169 		spin_lock_irqsave(fd->lock, flags);  in clk_fd_set_rate()
171 		__acquire(fd->lock);  in clk_fd_set_rate()
173 	val = clk_fd_readl(fd);  in clk_fd_set_rate()
174 	val &= ~(fd->mmask | fd->nmask);  in clk_fd_set_rate()
175 	val |= (m << fd->mshift) | (n << fd->nshift);  in clk_fd_set_rate()
176 	clk_fd_writel(fd, val);  in clk_fd_set_rate()
178 	if (fd->lock)  in clk_fd_set_rate()
179 		spin_unlock_irqrestore(fd->lock, flags);  in clk_fd_set_rate()
181 		__release(fd->lock);  in clk_fd_set_rate()
198 	struct clk_fractional_divider *fd;  in clk_hw_register_fractional_divider()  local
203 	fd = kzalloc(sizeof(*fd), GFP_KERNEL);  in clk_hw_register_fractional_divider()
204 	if (!fd)  in clk_hw_register_fractional_divider()
213 	fd->reg = reg;  in clk_hw_register_fractional_divider()
214 	fd->mshift = mshift;  in clk_hw_register_fractional_divider()
215 	fd->mwidth = mwidth;  in clk_hw_register_fractional_divider()
216 	fd->mmask = GENMASK(mwidth - 1, 0) << mshift;  in clk_hw_register_fractional_divider()
217 	fd->nshift = nshift;  in clk_hw_register_fractional_divider()
218 	fd->nwidth = nwidth;  in clk_hw_register_fractional_divider()
219 	fd->nmask = GENMASK(nwidth - 1, 0) << nshift;  in clk_hw_register_fractional_divider()
220 	fd->flags = clk_divider_flags;  in clk_hw_register_fractional_divider()
221 	fd->lock = lock;  in clk_hw_register_fractional_divider()
222 	fd->hw.init = &init;  in clk_hw_register_fractional_divider()
224 	hw = &fd->hw;  in clk_hw_register_fractional_divider()
227 		kfree(fd);  in clk_hw_register_fractional_divider()
253 	struct clk_fractional_divider *fd;  in clk_hw_unregister_fractional_divider()  local
255 	fd = to_clk_fd(hw);  in clk_hw_unregister_fractional_divider()
258 	kfree(fd);  in clk_hw_unregister_fractional_divider()