diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.9/0004-clk-sunxi-ng-Finish-to-convert-to-structures-for-arg.patch')
-rw-r--r-- | target/linux/sunxi/patches-4.9/0004-clk-sunxi-ng-Finish-to-convert-to-structures-for-arg.patch | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/target/linux/sunxi/patches-4.9/0004-clk-sunxi-ng-Finish-to-convert-to-structures-for-arg.patch b/target/linux/sunxi/patches-4.9/0004-clk-sunxi-ng-Finish-to-convert-to-structures-for-arg.patch deleted file mode 100644 index 4b91892b81..0000000000 --- a/target/linux/sunxi/patches-4.9/0004-clk-sunxi-ng-Finish-to-convert-to-structures-for-arg.patch +++ /dev/null @@ -1,182 +0,0 @@ -From b8302c7267dedaeeb1bf38143f099defbf16dce8 Mon Sep 17 00:00:00 2001 -From: Maxime Ripard <maxime.ripard@free-electrons.com> -Date: Thu, 29 Sep 2016 23:50:21 +0200 -Subject: clk: sunxi-ng: Finish to convert to structures for arguments - -Some clocks still use an explicit list of arguments, which make it a bit -more tedious to add new parameters. - -Convert those over to a structure pointer argument to add as many -arguments as possible without having to many noise in our patches, or a -very long list of arguments. - -Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> -Acked-by: Chen-Yu Tsai <wens@csie.org> ---- - drivers/clk/sunxi-ng/ccu_mult.c | 28 ++++++++++++++++++++-------- - drivers/clk/sunxi-ng/ccu_nk.c | 39 ++++++++++++++++++++++----------------- - 2 files changed, 42 insertions(+), 25 deletions(-) - ---- a/drivers/clk/sunxi-ng/ccu_mult.c -+++ b/drivers/clk/sunxi-ng/ccu_mult.c -@@ -13,10 +13,20 @@ - #include "ccu_gate.h" - #include "ccu_mult.h" - -+struct _ccu_mult { -+ unsigned long mult, max; -+}; -+ - static void ccu_mult_find_best(unsigned long parent, unsigned long rate, -- unsigned int max_n, unsigned int *n) -+ struct _ccu_mult *mult) - { -- *n = rate / parent; -+ int _mult; -+ -+ _mult = rate / parent; -+ if (_mult > mult->max) -+ _mult = mult->max; -+ -+ mult->mult = _mult; - } - - static unsigned long ccu_mult_round_rate(struct ccu_mux_internal *mux, -@@ -25,11 +35,12 @@ static unsigned long ccu_mult_round_rate - void *data) - { - struct ccu_mult *cm = data; -- unsigned int n; -+ struct _ccu_mult _cm; - -- ccu_mult_find_best(parent_rate, rate, 1 << cm->mult.width, &n); -+ _cm.max = 1 << cm->mult.width; -+ ccu_mult_find_best(parent_rate, rate, &_cm); - -- return parent_rate * n; -+ return parent_rate * _cm.mult; - } - - static void ccu_mult_disable(struct clk_hw *hw) -@@ -83,21 +94,22 @@ static int ccu_mult_set_rate(struct clk_ - unsigned long parent_rate) - { - struct ccu_mult *cm = hw_to_ccu_mult(hw); -+ struct _ccu_mult _cm; - unsigned long flags; -- unsigned int n; - u32 reg; - - ccu_mux_helper_adjust_parent_for_prediv(&cm->common, &cm->mux, -1, - &parent_rate); - -- ccu_mult_find_best(parent_rate, rate, 1 << cm->mult.width, &n); -+ _cm.max = 1 << cm->mult.width; -+ ccu_mult_find_best(parent_rate, rate, &_cm); - - spin_lock_irqsave(cm->common.lock, flags); - - reg = readl(cm->common.base + cm->common.reg); - reg &= ~GENMASK(cm->mult.width + cm->mult.shift - 1, cm->mult.shift); - -- writel(reg | ((n - 1) << cm->mult.shift), -+ writel(reg | ((_cm.mult - 1) << cm->mult.shift), - cm->common.base + cm->common.reg); - - spin_unlock_irqrestore(cm->common.lock, flags); ---- a/drivers/clk/sunxi-ng/ccu_nk.c -+++ b/drivers/clk/sunxi-ng/ccu_nk.c -@@ -9,21 +9,24 @@ - */ - - #include <linux/clk-provider.h> --#include <linux/rational.h> - - #include "ccu_gate.h" - #include "ccu_nk.h" - -+struct _ccu_nk { -+ unsigned long n, max_n; -+ unsigned long k, max_k; -+}; -+ - static void ccu_nk_find_best(unsigned long parent, unsigned long rate, -- unsigned int max_n, unsigned int max_k, -- unsigned int *n, unsigned int *k) -+ struct _ccu_nk *nk) - { - unsigned long best_rate = 0; - unsigned int best_k = 0, best_n = 0; - unsigned int _k, _n; - -- for (_k = 1; _k <= max_k; _k++) { -- for (_n = 1; _n <= max_n; _n++) { -+ for (_k = 1; _k <= nk->max_k; _k++) { -+ for (_n = 1; _n <= nk->max_n; _n++) { - unsigned long tmp_rate = parent * _n * _k; - - if (tmp_rate > rate) -@@ -37,8 +40,8 @@ static void ccu_nk_find_best(unsigned lo - } - } - -- *k = best_k; -- *n = best_n; -+ nk->k = best_k; -+ nk->n = best_n; - } - - static void ccu_nk_disable(struct clk_hw *hw) -@@ -89,16 +92,17 @@ static long ccu_nk_round_rate(struct clk - unsigned long *parent_rate) - { - struct ccu_nk *nk = hw_to_ccu_nk(hw); -- unsigned int n, k; -+ struct _ccu_nk _nk; - - if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV) - rate *= nk->fixed_post_div; - -- ccu_nk_find_best(*parent_rate, rate, -- 1 << nk->n.width, 1 << nk->k.width, -- &n, &k); -+ _nk.max_n = 1 << nk->n.width; -+ _nk.max_k = 1 << nk->k.width; -+ -+ ccu_nk_find_best(*parent_rate, rate, &_nk); -+ rate = *parent_rate * _nk.n * _nk.k; - -- rate = *parent_rate * n * k; - if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV) - rate = rate / nk->fixed_post_div; - -@@ -110,15 +114,16 @@ static int ccu_nk_set_rate(struct clk_hw - { - struct ccu_nk *nk = hw_to_ccu_nk(hw); - unsigned long flags; -- unsigned int n, k; -+ struct _ccu_nk _nk; - u32 reg; - - if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV) - rate = rate * nk->fixed_post_div; - -- ccu_nk_find_best(parent_rate, rate, -- 1 << nk->n.width, 1 << nk->k.width, -- &n, &k); -+ _nk.max_n = 1 << nk->n.width; -+ _nk.max_k = 1 << nk->k.width; -+ -+ ccu_nk_find_best(parent_rate, rate, &_nk); - - spin_lock_irqsave(nk->common.lock, flags); - -@@ -126,7 +131,7 @@ static int ccu_nk_set_rate(struct clk_hw - reg &= ~GENMASK(nk->n.width + nk->n.shift - 1, nk->n.shift); - reg &= ~GENMASK(nk->k.width + nk->k.shift - 1, nk->k.shift); - -- writel(reg | ((k - 1) << nk->k.shift) | ((n - 1) << nk->n.shift), -+ writel(reg | ((_nk.k - 1) << nk->k.shift) | ((_nk.n - 1) << nk->n.shift), - nk->common.base + nk->common.reg); - - spin_unlock_irqrestore(nk->common.lock, flags); |