1 files changed, 0 insertions, 158 deletions

diff --git a/kernel/arch/arm/mach-imx/clk-pfd.c b/kernel/arch/arm/mach-imx/clk-pfd.c
deleted file mode 100644
index 0b0f6f66e..000000000
--- a/kernel/arch/arm/mach-imx/clk-pfd.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- * Copyright 2012 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include "clk.h"
-
-/**
- * struct clk_pfd - IMX PFD clock
- * @clk_hw:	clock source
- * @reg:	PFD register address
- * @idx:	the index of PFD encoded in the register
- *
- * PFD clock found on i.MX6 series.  Each register for PFD has 4 clk_pfd
- * data encoded, and member idx is used to specify the one.  And each
- * register has SET, CLR and TOG registers at offset 0x4 0x8 and 0xc.
- */
-struct clk_pfd {
-	struct clk_hw	hw;
-	void __iomem	*reg;
-	u8		idx;
-};
-
-#define to_clk_pfd(_hw) container_of(_hw, struct clk_pfd, hw)
-
-#define SET	0x4
-#define CLR	0x8
-#define OTG	0xc
-
-static int clk_pfd_enable(struct clk_hw *hw)
-{
-	struct clk_pfd *pfd = to_clk_pfd(hw);
-
-	writel_relaxed(1 << ((pfd->idx + 1) * 8 - 1), pfd->reg + CLR);
-
-	return 0;
-}
-
-static void clk_pfd_disable(struct clk_hw *hw)
-{
-	struct clk_pfd *pfd = to_clk_pfd(hw);
-
-	writel_relaxed(1 << ((pfd->idx + 1) * 8 - 1), pfd->reg + SET);
-}
-
-static unsigned long clk_pfd_recalc_rate(struct clk_hw *hw,
-					 unsigned long parent_rate)
-{
-	struct clk_pfd *pfd = to_clk_pfd(hw);
-	u64 tmp = parent_rate;
-	u8 frac = (readl_relaxed(pfd->reg) >> (pfd->idx * 8)) & 0x3f;
-
-	tmp *= 18;
-	do_div(tmp, frac);
-
-	return tmp;
-}
-
-static long clk_pfd_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *prate)
-{
-	u64 tmp = *prate;
-	u8 frac;
-
-	tmp = tmp * 18 + rate / 2;
-	do_div(tmp, rate);
-	frac = tmp;
-	if (frac < 12)
-		frac = 12;
-	else if (frac > 35)
-		frac = 35;
-	tmp = *prate;
-	tmp *= 18;
-	do_div(tmp, frac);
-
-	return tmp;
-}
-
-static int clk_pfd_set_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long parent_rate)
-{
-	struct clk_pfd *pfd = to_clk_pfd(hw);
-	u64 tmp = parent_rate;
-	u8 frac;
-
-	tmp = tmp * 18 + rate / 2;
-	do_div(tmp, rate);
-	frac = tmp;
-	if (frac < 12)
-		frac = 12;
-	else if (frac > 35)
-		frac = 35;
-
-	writel_relaxed(0x3f << (pfd->idx * 8), pfd->reg + CLR);
-	writel_relaxed(frac << (pfd->idx * 8), pfd->reg + SET);
-
-	return 0;
-}
-
-static int clk_pfd_is_enabled(struct clk_hw *hw)
-{
-	struct clk_pfd *pfd = to_clk_pfd(hw);
-
-	if (readl_relaxed(pfd->reg) & (1 << ((pfd->idx + 1) * 8 - 1)))
-		return 0;
-
-	return 1;
-}
-
-static const struct clk_ops clk_pfd_ops = {
-	.enable		= clk_pfd_enable,
-	.disable	= clk_pfd_disable,
-	.recalc_rate	= clk_pfd_recalc_rate,
-	.round_rate	= clk_pfd_round_rate,
-	.set_rate	= clk_pfd_set_rate,
-	.is_enabled     = clk_pfd_is_enabled,
-};
-
-struct clk *imx_clk_pfd(const char *name, const char *parent_name,
-			void __iomem *reg, u8 idx)
-{
-	struct clk_pfd *pfd;
-	struct clk *clk;
-	struct clk_init_data init;
-
-	pfd = kzalloc(sizeof(*pfd), GFP_KERNEL);
-	if (!pfd)
-		return ERR_PTR(-ENOMEM);
-
-	pfd->reg = reg;
-	pfd->idx = idx;
-
-	init.name = name;
-	init.ops = &clk_pfd_ops;
-	init.flags = 0;
-	init.parent_names = &parent_name;
-	init.num_parents = 1;
-
-	pfd->hw.init = &init;
-
-	clk = clk_register(NULL, &pfd->hw);
-	if (IS_ERR(clk))
-		kfree(pfd);
-
-	return clk;
-}