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-rw-r--r--drivers/clk/sunxi-ng/ccu-sun4i-a10.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-a64.c41
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun6i-rtc.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-de2.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-h3.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-v3s.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.c12
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.h6
-rw-r--r--drivers/clk/sunxi-ng/ccu_div.h30
-rw-r--r--drivers/clk/sunxi-ng/ccu_mmc_timing.c2
-rw-r--r--drivers/clk/sunxi-ng/ccu_mux.c15
-rw-r--r--drivers/clk/sunxi-ng/ccu_mux.h38
-rw-r--r--drivers/clk/sunxi-ng/ccu_nkm.c55
-rw-r--r--drivers/clk/sunxi-ng/ccu_nm.c13
-rw-r--r--drivers/clk/sunxi-ng/ccu_nm.h48
17 files changed, 213 insertions, 61 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
index c19828f1aa0f..451ebb7c99a3 100644
--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
+++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
@@ -8,7 +8,7 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index eb36f8f77d55..8951ffc14ff5 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -68,7 +68,7 @@ static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
-static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video0_clk, "pll-video0",
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_CLOSEST(pll_video0_clk, "pll-video0",
"osc24M", 0x010,
192000000, /* Minimum rate */
1008000000, /* Maximum rate */
@@ -179,7 +179,9 @@ static struct ccu_nkm pll_mipi_clk = {
.common = {
.reg = 0x040,
.hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",
- &ccu_nkm_ops, CLK_SET_RATE_UNGATE),
+ &ccu_nkm_ops,
+ CLK_SET_RATE_UNGATE | CLK_SET_RATE_PARENT),
+ .features = CCU_FEATURE_CLOSEST_RATE,
},
};
@@ -536,25 +538,18 @@ static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" };
static const u8 tcon0_table[] = { 0, 2, };
-static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
- tcon0_table, 0x118, 24, 3, BIT(31),
- CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT);
+static SUNXI_CCU_MUX_TABLE_WITH_GATE_CLOSEST(tcon0_clk, "tcon0", tcon0_parents,
+ tcon0_table, 0x118, 24, 3, BIT(31),
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
static const char * const tcon1_parents[] = { "pll-video0", "pll-video1" };
static const u8 tcon1_table[] = { 0, 2, };
-static struct ccu_div tcon1_clk = {
- .enable = BIT(31),
- .div = _SUNXI_CCU_DIV(0, 4),
- .mux = _SUNXI_CCU_MUX_TABLE(24, 2, tcon1_table),
- .common = {
- .reg = 0x11c,
- .hw.init = CLK_HW_INIT_PARENTS("tcon1",
- tcon1_parents,
- &ccu_div_ops,
- CLK_SET_RATE_PARENT),
- },
-};
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(tcon1_clk, "tcon1", tcon1_parents,
+ tcon1_table, 0x11c,
+ 0, 4, /* M */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ CLK_SET_RATE_PARENT);
static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
@@ -584,8 +579,8 @@ static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);
static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
-static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
- 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT);
+static SUNXI_CCU_M_WITH_MUX_GATE_CLOSEST(hdmi_clk, "hdmi", hdmi_parents,
+ 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M",
0x154, BIT(31), 0);
@@ -597,9 +592,9 @@ static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-periph0" };
static const u8 dsi_dphy_table[] = { 0, 2, };
-static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
- dsi_dphy_parents, dsi_dphy_table,
- 0x168, 0, 4, 8, 2, BIT(15), CLK_SET_RATE_PARENT);
+static SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(dsi_dphy_clk, "dsi-dphy",
+ dsi_dphy_parents, dsi_dphy_table,
+ 0x168, 0, 4, 8, 2, BIT(15), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
index 001582ea71ba..02b28cfc5525 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
@@ -5,7 +5,7 @@
#include <linux/clk-provider.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
index d65398497d5f..fdc8ccc586c9 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c
@@ -5,8 +5,10 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/device.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/clk/sunxi-ng.h>
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
index b70b312e7483..6a043a0a9dd6 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
@@ -6,7 +6,7 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index bfebe8dbbe65..74274c17efb3 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -6,7 +6,7 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
index 4221649b311f..4890a976b1a0 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
@@ -5,7 +5,7 @@
#include <linux/clk-provider.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index fbb3529f0d3e..f3ce8664b288 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -9,7 +9,7 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c
index 8d28a7a079d0..8babce55302f 100644
--- a/drivers/clk/sunxi-ng/ccu_common.c
+++ b/drivers/clk/sunxi-ng/ccu_common.c
@@ -39,6 +39,18 @@ void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock)
}
EXPORT_SYMBOL_NS_GPL(ccu_helper_wait_for_lock, SUNXI_CCU);
+bool ccu_is_better_rate(struct ccu_common *common,
+ unsigned long target_rate,
+ unsigned long current_rate,
+ unsigned long best_rate)
+{
+ if (common->features & CCU_FEATURE_CLOSEST_RATE)
+ return abs(current_rate - target_rate) < abs(best_rate - target_rate);
+
+ return current_rate <= target_rate && current_rate > best_rate;
+}
+EXPORT_SYMBOL_NS_GPL(ccu_is_better_rate, SUNXI_CCU);
+
/*
* This clock notifier is called when the frequency of a PLL clock is
* changed. In common PLL designs, changes to the dividers take effect
diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h
index fbf16c6b896d..942a72c09437 100644
--- a/drivers/clk/sunxi-ng/ccu_common.h
+++ b/drivers/clk/sunxi-ng/ccu_common.h
@@ -18,6 +18,7 @@
#define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6)
#define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7)
#define CCU_FEATURE_KEY_FIELD BIT(8)
+#define CCU_FEATURE_CLOSEST_RATE BIT(9)
/* MMC timing mode switch bit */
#define CCU_MMC_NEW_TIMING_MODE BIT(30)
@@ -52,6 +53,11 @@ struct sunxi_ccu_desc {
void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock);
+bool ccu_is_better_rate(struct ccu_common *common,
+ unsigned long target_rate,
+ unsigned long current_rate,
+ unsigned long best_rate);
+
struct ccu_pll_nb {
struct notifier_block clk_nb;
struct ccu_common *common;
diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h
index 948e2b0c0c3b..90d49ee8e0cc 100644
--- a/drivers/clk/sunxi-ng/ccu_div.h
+++ b/drivers/clk/sunxi-ng/ccu_div.h
@@ -143,6 +143,26 @@ struct ccu_div {
}, \
}
+#define SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name, \
+ _parents, _table, \
+ _reg, \
+ _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags) \
+ struct ccu_div _struct = { \
+ .enable = _gate, \
+ .div = _SUNXI_CCU_DIV_FLAGS(_mshift, _mwidth, CLK_DIVIDER_ROUND_CLOSEST), \
+ .mux = _SUNXI_CCU_MUX_TABLE(_muxshift, _muxwidth, _table), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_div_ops, \
+ _flags), \
+ .features = CCU_FEATURE_CLOSEST_RATE, \
+ }, \
+ }
+
#define SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
_mshift, _mwidth, _muxshift, _muxwidth, \
_gate, _flags) \
@@ -152,6 +172,16 @@ struct ccu_div {
_muxshift, _muxwidth, \
_gate, _flags)
+#define SUNXI_CCU_M_WITH_MUX_GATE_CLOSEST(_struct, _name, _parents, \
+ _reg, _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags) \
+ SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name, \
+ _parents, NULL, \
+ _reg, _mshift, _mwidth, \
+ _muxshift, _muxwidth, \
+ _gate, _flags)
+
#define SUNXI_CCU_M_WITH_MUX(_struct, _name, _parents, _reg, \
_mshift, _mwidth, _muxshift, _muxwidth, \
_flags) \
diff --git a/drivers/clk/sunxi-ng/ccu_mmc_timing.c b/drivers/clk/sunxi-ng/ccu_mmc_timing.c
index 23a8d44e2449..78919d7843be 100644
--- a/drivers/clk/sunxi-ng/ccu_mmc_timing.c
+++ b/drivers/clk/sunxi-ng/ccu_mmc_timing.c
@@ -43,7 +43,7 @@ int sunxi_ccu_set_mmc_timing_mode(struct clk *clk, bool new_mode)
EXPORT_SYMBOL_GPL(sunxi_ccu_set_mmc_timing_mode);
/**
- * sunxi_ccu_set_mmc_timing_mode: Get the current MMC clock timing mode
+ * sunxi_ccu_get_mmc_timing_mode: Get the current MMC clock timing mode
* @clk: clock to query
*
* Return: %0 if the clock is in old timing mode, > %0 if it is in
diff --git a/drivers/clk/sunxi-ng/ccu_mux.c b/drivers/clk/sunxi-ng/ccu_mux.c
index 1d557e323169..5edc63b46651 100644
--- a/drivers/clk/sunxi-ng/ccu_mux.c
+++ b/drivers/clk/sunxi-ng/ccu_mux.c
@@ -139,7 +139,7 @@ int ccu_mux_helper_determine_rate(struct ccu_common *common,
goto out;
}
- if ((req->rate - tmp_rate) < (req->rate - best_rate)) {
+ if (ccu_is_better_rate(common, req->rate, tmp_rate, best_rate)) {
best_rate = tmp_rate;
best_parent_rate = parent_rate;
best_parent = parent;
@@ -242,6 +242,17 @@ static int ccu_mux_set_parent(struct clk_hw *hw, u8 index)
return ccu_mux_helper_set_parent(&cm->common, &cm->mux, index);
}
+static int ccu_mux_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct ccu_mux *cm = hw_to_ccu_mux(hw);
+
+ if (cm->common.features & CCU_FEATURE_CLOSEST_RATE)
+ return clk_mux_determine_rate_flags(hw, req, CLK_MUX_ROUND_CLOSEST);
+
+ return clk_mux_determine_rate_flags(hw, req, 0);
+}
+
static unsigned long ccu_mux_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -259,7 +270,7 @@ const struct clk_ops ccu_mux_ops = {
.get_parent = ccu_mux_get_parent,
.set_parent = ccu_mux_set_parent,
- .determine_rate = __clk_mux_determine_rate,
+ .determine_rate = ccu_mux_determine_rate,
.recalc_rate = ccu_mux_recalc_rate,
};
EXPORT_SYMBOL_NS_GPL(ccu_mux_ops, SUNXI_CCU);
diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h
index 2c1811a445b0..eb1172ebbd94 100644
--- a/drivers/clk/sunxi-ng/ccu_mux.h
+++ b/drivers/clk/sunxi-ng/ccu_mux.h
@@ -46,20 +46,36 @@ struct ccu_mux {
struct ccu_common common;
};
+#define SUNXI_CCU_MUX_TABLE_WITH_GATE_FEAT(_struct, _name, _parents, _table, \
+ _reg, _shift, _width, _gate, \
+ _flags, _features) \
+ struct ccu_mux _struct = { \
+ .enable = _gate, \
+ .mux = _SUNXI_CCU_MUX_TABLE(_shift, _width, _table), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_mux_ops, \
+ _flags), \
+ .features = _features, \
+ } \
+ }
+
+#define SUNXI_CCU_MUX_TABLE_WITH_GATE_CLOSEST(_struct, _name, _parents, \
+ _table, _reg, _shift, \
+ _width, _gate, _flags) \
+ SUNXI_CCU_MUX_TABLE_WITH_GATE_FEAT(_struct, _name, _parents, \
+ _table, _reg, _shift, \
+ _width, _gate, _flags, \
+ CCU_FEATURE_CLOSEST_RATE)
+
#define SUNXI_CCU_MUX_TABLE_WITH_GATE(_struct, _name, _parents, _table, \
_reg, _shift, _width, _gate, \
_flags) \
- struct ccu_mux _struct = { \
- .enable = _gate, \
- .mux = _SUNXI_CCU_MUX_TABLE(_shift, _width, _table), \
- .common = { \
- .reg = _reg, \
- .hw.init = CLK_HW_INIT_PARENTS(_name, \
- _parents, \
- &ccu_mux_ops, \
- _flags), \
- } \
- }
+ SUNXI_CCU_MUX_TABLE_WITH_GATE_FEAT(_struct, _name, _parents, \
+ _table, _reg, _shift, \
+ _width, _gate, _flags, 0)
#define SUNXI_CCU_MUX_WITH_GATE(_struct, _name, _parents, _reg, \
_shift, _width, _gate, _flags) \
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
index a0978a50edae..eed64547ad42 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.c
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -16,8 +16,47 @@ struct _ccu_nkm {
unsigned long m, min_m, max_m;
};
+static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common,
+ struct clk_hw *parent_hw,
+ unsigned long *parent, unsigned long rate,
+ struct _ccu_nkm *nkm)
+{
+ unsigned long best_rate = 0, best_parent_rate = *parent, tmp_parent = *parent;
+ unsigned long best_n = 0, best_k = 0, best_m = 0;
+ unsigned long _n, _k, _m;
+
+ for (_k = nkm->min_k; _k <= nkm->max_k; _k++) {
+ for (_n = nkm->min_n; _n <= nkm->max_n; _n++) {
+ for (_m = nkm->min_m; _m <= nkm->max_m; _m++) {
+ unsigned long tmp_rate;
+
+ tmp_parent = clk_hw_round_rate(parent_hw, rate * _m / (_n * _k));
+
+ tmp_rate = tmp_parent * _n * _k / _m;
+
+ if (ccu_is_better_rate(common, rate, tmp_rate, best_rate) ||
+ (tmp_parent == *parent && tmp_rate == best_rate)) {
+ best_rate = tmp_rate;
+ best_parent_rate = tmp_parent;
+ best_n = _n;
+ best_k = _k;
+ best_m = _m;
+ }
+ }
+ }
+ }
+
+ nkm->n = best_n;
+ nkm->k = best_k;
+ nkm->m = best_m;
+
+ *parent = best_parent_rate;
+
+ return best_rate;
+}
+
static unsigned long ccu_nkm_find_best(unsigned long parent, unsigned long rate,
- struct _ccu_nkm *nkm)
+ struct _ccu_nkm *nkm, struct ccu_common *common)
{
unsigned long best_rate = 0;
unsigned long best_n = 0, best_k = 0, best_m = 0;
@@ -30,9 +69,7 @@ static unsigned long ccu_nkm_find_best(unsigned long parent, unsigned long rate,
tmp_rate = parent * _n * _k / _m;
- if (tmp_rate > rate)
- continue;
- if ((rate - tmp_rate) < (rate - best_rate)) {
+ if (ccu_is_better_rate(common, rate, tmp_rate, best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_k = _k;
@@ -106,7 +143,7 @@ static unsigned long ccu_nkm_recalc_rate(struct clk_hw *hw,
}
static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
- struct clk_hw *hw,
+ struct clk_hw *parent_hw,
unsigned long *parent_rate,
unsigned long rate,
void *data)
@@ -124,7 +161,11 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
if (nkm->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate *= nkm->fixed_post_div;
- rate = ccu_nkm_find_best(*parent_rate, rate, &_nkm);
+ if (!clk_hw_can_set_rate_parent(&nkm->common.hw))
+ rate = ccu_nkm_find_best(*parent_rate, rate, &_nkm, &nkm->common);
+ else
+ rate = ccu_nkm_find_best_with_parent_adj(&nkm->common, parent_hw, parent_rate, rate,
+ &_nkm);
if (nkm->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate /= nkm->fixed_post_div;
@@ -159,7 +200,7 @@ static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate,
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
- ccu_nkm_find_best(parent_rate, rate, &_nkm);
+ ccu_nkm_find_best(parent_rate, rate, &_nkm, &nkm->common);
spin_lock_irqsave(nkm->common.lock, flags);
diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c
index c1fd11542c45..ffac3deb89d6 100644
--- a/drivers/clk/sunxi-ng/ccu_nm.c
+++ b/drivers/clk/sunxi-ng/ccu_nm.c
@@ -27,8 +27,8 @@ static unsigned long ccu_nm_calc_rate(unsigned long parent,
return rate;
}
-static unsigned long ccu_nm_find_best(unsigned long parent, unsigned long rate,
- struct _ccu_nm *nm)
+static unsigned long ccu_nm_find_best(struct ccu_common *common, unsigned long parent,
+ unsigned long rate, struct _ccu_nm *nm)
{
unsigned long best_rate = 0;
unsigned long best_n = 0, best_m = 0;
@@ -39,10 +39,7 @@ static unsigned long ccu_nm_find_best(unsigned long parent, unsigned long rate,
unsigned long tmp_rate = ccu_nm_calc_rate(parent,
_n, _m);
- if (tmp_rate > rate)
- continue;
-
- if ((rate - tmp_rate) < (rate - best_rate)) {
+ if (ccu_is_better_rate(common, rate, tmp_rate, best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_m = _m;
@@ -159,7 +156,7 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
_nm.min_m = 1;
_nm.max_m = nm->m.max ?: 1 << nm->m.width;
- rate = ccu_nm_find_best(*parent_rate, rate, &_nm);
+ rate = ccu_nm_find_best(&nm->common, *parent_rate, rate, &_nm);
if (nm->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate /= nm->fixed_post_div;
@@ -210,7 +207,7 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
&_nm.m, &_nm.n);
} else {
ccu_sdm_helper_disable(&nm->common, &nm->sdm);
- ccu_nm_find_best(parent_rate, rate, &_nm);
+ ccu_nm_find_best(&nm->common, parent_rate, rate, &_nm);
}
spin_lock_irqsave(nm->common.lock, flags);
diff --git a/drivers/clk/sunxi-ng/ccu_nm.h b/drivers/clk/sunxi-ng/ccu_nm.h
index 2904e67f05a8..93c11693574f 100644
--- a/drivers/clk/sunxi-ng/ccu_nm.h
+++ b/drivers/clk/sunxi-ng/ccu_nm.h
@@ -108,7 +108,7 @@ struct ccu_nm {
}, \
}
-#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(_struct, _name, \
+#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_FEAT(_struct, _name, \
_parent, _reg, \
_min_rate, _max_rate, \
_nshift, _nwidth, \
@@ -116,7 +116,8 @@ struct ccu_nm {
_frac_en, _frac_sel, \
_frac_rate_0, \
_frac_rate_1, \
- _gate, _lock, _flags) \
+ _gate, _lock, _flags, \
+ _features) \
struct ccu_nm _struct = { \
.enable = _gate, \
.lock = _lock, \
@@ -129,7 +130,7 @@ struct ccu_nm {
.max_rate = _max_rate, \
.common = { \
.reg = _reg, \
- .features = CCU_FEATURE_FRACTIONAL, \
+ .features = _features, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&ccu_nm_ops, \
@@ -137,6 +138,47 @@ struct ccu_nm {
}, \
}
+#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(_struct, _name, \
+ _parent, _reg, \
+ _min_rate, _max_rate, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _frac_en, _frac_sel, \
+ _frac_rate_0, \
+ _frac_rate_1, \
+ _gate, _lock, _flags) \
+ SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_FEAT(_struct, _name, \
+ _parent, _reg, \
+ _min_rate, _max_rate, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _frac_en, _frac_sel, \
+ _frac_rate_0, \
+ _frac_rate_1, \
+ _gate, _lock, _flags, \
+ CCU_FEATURE_FRACTIONAL)
+
+#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_CLOSEST(_struct, _name, \
+ _parent, _reg, \
+ _min_rate, _max_rate, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _frac_en, _frac_sel, \
+ _frac_rate_0, \
+ _frac_rate_1, \
+ _gate, _lock, _flags) \
+ SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_FEAT(_struct, _name, \
+ _parent, _reg, \
+ _min_rate, _max_rate, \
+ _nshift, _nwidth, \
+ _mshift, _mwidth, \
+ _frac_en, _frac_sel, \
+ _frac_rate_0, \
+ _frac_rate_1, \
+ _gate, _lock, _flags, \
+ CCU_FEATURE_FRACTIONAL |\
+ CCU_FEATURE_CLOSEST_RATE)
+
#define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
_nshift, _nwidth, \
_mshift, _mwidth, \
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-11 16:43:45 +0300