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-rw-r--r--drivers/sh/clk/cpg.c91
-rw-r--r--drivers/sh/intc/balancing.c2
-rw-r--r--drivers/sh/intc/chip.c37
-rw-r--r--drivers/sh/intc/core.c13
-rw-r--r--drivers/sh/intc/dynamic.c8
-rw-r--r--drivers/sh/intc/handle.c7
-rw-r--r--drivers/sh/intc/internals.h9
-rw-r--r--drivers/sh/intc/virq.c2
8 files changed, 86 insertions, 83 deletions
diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c
index 92d314a73f69..f0d015dd0fef 100644
--- a/drivers/sh/clk/cpg.c
+++ b/drivers/sh/clk/cpg.c
@@ -2,6 +2,7 @@
* Helper routines for SuperH Clock Pulse Generator blocks (CPG).
*
* Copyright (C) 2010 Magnus Damm
+ * Copyright (C) 2010 - 2012 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -13,26 +14,44 @@
#include <linux/io.h>
#include <linux/sh_clk.h>
-static int sh_clk_mstp32_enable(struct clk *clk)
+static unsigned int sh_clk_read(struct clk *clk)
{
- iowrite32(ioread32(clk->mapped_reg) & ~(1 << clk->enable_bit),
- clk->mapped_reg);
+ if (clk->flags & CLK_ENABLE_REG_8BIT)
+ return ioread8(clk->mapped_reg);
+ else if (clk->flags & CLK_ENABLE_REG_16BIT)
+ return ioread16(clk->mapped_reg);
+
+ return ioread32(clk->mapped_reg);
+}
+
+static void sh_clk_write(int value, struct clk *clk)
+{
+ if (clk->flags & CLK_ENABLE_REG_8BIT)
+ iowrite8(value, clk->mapped_reg);
+ else if (clk->flags & CLK_ENABLE_REG_16BIT)
+ iowrite16(value, clk->mapped_reg);
+ else
+ iowrite32(value, clk->mapped_reg);
+}
+
+static int sh_clk_mstp_enable(struct clk *clk)
+{
+ sh_clk_write(sh_clk_read(clk) & ~(1 << clk->enable_bit), clk);
return 0;
}
-static void sh_clk_mstp32_disable(struct clk *clk)
+static void sh_clk_mstp_disable(struct clk *clk)
{
- iowrite32(ioread32(clk->mapped_reg) | (1 << clk->enable_bit),
- clk->mapped_reg);
+ sh_clk_write(sh_clk_read(clk) | (1 << clk->enable_bit), clk);
}
-static struct clk_ops sh_clk_mstp32_clk_ops = {
- .enable = sh_clk_mstp32_enable,
- .disable = sh_clk_mstp32_disable,
+static struct sh_clk_ops sh_clk_mstp_clk_ops = {
+ .enable = sh_clk_mstp_enable,
+ .disable = sh_clk_mstp_disable,
.recalc = followparent_recalc,
};
-int __init sh_clk_mstp32_register(struct clk *clks, int nr)
+int __init sh_clk_mstp_register(struct clk *clks, int nr)
{
struct clk *clkp;
int ret = 0;
@@ -40,7 +59,7 @@ int __init sh_clk_mstp32_register(struct clk *clks, int nr)
for (k = 0; !ret && (k < nr); k++) {
clkp = clks + k;
- clkp->ops = &sh_clk_mstp32_clk_ops;
+ clkp->ops = &sh_clk_mstp_clk_ops;
ret |= clk_register(clkp);
}
@@ -72,7 +91,7 @@ static unsigned long sh_clk_div6_recalc(struct clk *clk)
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
table, NULL);
- idx = ioread32(clk->mapped_reg) & 0x003f;
+ idx = sh_clk_read(clk) & 0x003f;
return clk->freq_table[idx].frequency;
}
@@ -98,10 +117,10 @@ static int sh_clk_div6_set_parent(struct clk *clk, struct clk *parent)
if (ret < 0)
return ret;
- value = ioread32(clk->mapped_reg) &
+ value = sh_clk_read(clk) &
~(((1 << clk->src_width) - 1) << clk->src_shift);
- iowrite32(value | (i << clk->src_shift), clk->mapped_reg);
+ sh_clk_write(value | (i << clk->src_shift), clk);
/* Rebuild the frequency table */
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
@@ -119,10 +138,10 @@ static int sh_clk_div6_set_rate(struct clk *clk, unsigned long rate)
if (idx < 0)
return idx;
- value = ioread32(clk->mapped_reg);
+ value = sh_clk_read(clk);
value &= ~0x3f;
value |= idx;
- iowrite32(value, clk->mapped_reg);
+ sh_clk_write(value, clk);
return 0;
}
@@ -133,9 +152,9 @@ static int sh_clk_div6_enable(struct clk *clk)
ret = sh_clk_div6_set_rate(clk, clk->rate);
if (ret == 0) {
- value = ioread32(clk->mapped_reg);
+ value = sh_clk_read(clk);
value &= ~0x100; /* clear stop bit to enable clock */
- iowrite32(value, clk->mapped_reg);
+ sh_clk_write(value, clk);
}
return ret;
}
@@ -144,13 +163,13 @@ static void sh_clk_div6_disable(struct clk *clk)
{
unsigned long value;
- value = ioread32(clk->mapped_reg);
+ value = sh_clk_read(clk);
value |= 0x100; /* stop clock */
value |= 0x3f; /* VDIV bits must be non-zero, overwrite divider */
- iowrite32(value, clk->mapped_reg);
+ sh_clk_write(value, clk);
}
-static struct clk_ops sh_clk_div6_clk_ops = {
+static struct sh_clk_ops sh_clk_div6_clk_ops = {
.recalc = sh_clk_div6_recalc,
.round_rate = sh_clk_div_round_rate,
.set_rate = sh_clk_div6_set_rate,
@@ -158,7 +177,7 @@ static struct clk_ops sh_clk_div6_clk_ops = {
.disable = sh_clk_div6_disable,
};
-static struct clk_ops sh_clk_div6_reparent_clk_ops = {
+static struct sh_clk_ops sh_clk_div6_reparent_clk_ops = {
.recalc = sh_clk_div6_recalc,
.round_rate = sh_clk_div_round_rate,
.set_rate = sh_clk_div6_set_rate,
@@ -182,7 +201,7 @@ static int __init sh_clk_init_parent(struct clk *clk)
return -EINVAL;
}
- val = (ioread32(clk->mapped_reg) >> clk->src_shift);
+ val = (sh_clk_read(clk) >> clk->src_shift);
val &= (1 << clk->src_width) - 1;
if (val >= clk->parent_num) {
@@ -200,7 +219,7 @@ static int __init sh_clk_init_parent(struct clk *clk)
}
static int __init sh_clk_div6_register_ops(struct clk *clks, int nr,
- struct clk_ops *ops)
+ struct sh_clk_ops *ops)
{
struct clk *clkp;
void *freq_table;
@@ -252,7 +271,7 @@ static unsigned long sh_clk_div4_recalc(struct clk *clk)
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
table, &clk->arch_flags);
- idx = (ioread32(clk->mapped_reg) >> clk->enable_bit) & 0x000f;
+ idx = (sh_clk_read(clk) >> clk->enable_bit) & 0x000f;
return clk->freq_table[idx].frequency;
}
@@ -270,15 +289,15 @@ static int sh_clk_div4_set_parent(struct clk *clk, struct clk *parent)
*/
if (parent->flags & CLK_ENABLE_ON_INIT)
- value = ioread32(clk->mapped_reg) & ~(1 << 7);
+ value = sh_clk_read(clk) & ~(1 << 7);
else
- value = ioread32(clk->mapped_reg) | (1 << 7);
+ value = sh_clk_read(clk) | (1 << 7);
ret = clk_reparent(clk, parent);
if (ret < 0)
return ret;
- iowrite32(value, clk->mapped_reg);
+ sh_clk_write(value, clk);
/* Rebiuld the frequency table */
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
@@ -295,10 +314,10 @@ static int sh_clk_div4_set_rate(struct clk *clk, unsigned long rate)
if (idx < 0)
return idx;
- value = ioread32(clk->mapped_reg);
+ value = sh_clk_read(clk);
value &= ~(0xf << clk->enable_bit);
value |= (idx << clk->enable_bit);
- iowrite32(value, clk->mapped_reg);
+ sh_clk_write(value, clk);
if (d4t->kick)
d4t->kick(clk);
@@ -308,22 +327,22 @@ static int sh_clk_div4_set_rate(struct clk *clk, unsigned long rate)
static int sh_clk_div4_enable(struct clk *clk)
{
- iowrite32(ioread32(clk->mapped_reg) & ~(1 << 8), clk->mapped_reg);
+ sh_clk_write(sh_clk_read(clk) & ~(1 << 8), clk);
return 0;
}
static void sh_clk_div4_disable(struct clk *clk)
{
- iowrite32(ioread32(clk->mapped_reg) | (1 << 8), clk->mapped_reg);
+ sh_clk_write(sh_clk_read(clk) | (1 << 8), clk);
}
-static struct clk_ops sh_clk_div4_clk_ops = {
+static struct sh_clk_ops sh_clk_div4_clk_ops = {
.recalc = sh_clk_div4_recalc,
.set_rate = sh_clk_div4_set_rate,
.round_rate = sh_clk_div_round_rate,
};
-static struct clk_ops sh_clk_div4_enable_clk_ops = {
+static struct sh_clk_ops sh_clk_div4_enable_clk_ops = {
.recalc = sh_clk_div4_recalc,
.set_rate = sh_clk_div4_set_rate,
.round_rate = sh_clk_div_round_rate,
@@ -331,7 +350,7 @@ static struct clk_ops sh_clk_div4_enable_clk_ops = {
.disable = sh_clk_div4_disable,
};
-static struct clk_ops sh_clk_div4_reparent_clk_ops = {
+static struct sh_clk_ops sh_clk_div4_reparent_clk_ops = {
.recalc = sh_clk_div4_recalc,
.set_rate = sh_clk_div4_set_rate,
.round_rate = sh_clk_div_round_rate,
@@ -341,7 +360,7 @@ static struct clk_ops sh_clk_div4_reparent_clk_ops = {
};
static int __init sh_clk_div4_register_ops(struct clk *clks, int nr,
- struct clk_div4_table *table, struct clk_ops *ops)
+ struct clk_div4_table *table, struct sh_clk_ops *ops)
{
struct clk *clkp;
void *freq_table;
diff --git a/drivers/sh/intc/balancing.c b/drivers/sh/intc/balancing.c
index cec7a96f2c09..bc780807ccb0 100644
--- a/drivers/sh/intc/balancing.c
+++ b/drivers/sh/intc/balancing.c
@@ -9,7 +9,7 @@
*/
#include "internals.h"
-static unsigned long dist_handle[NR_IRQS];
+static unsigned long dist_handle[INTC_NR_IRQS];
void intc_balancing_enable(unsigned int irq)
{
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 7b246efa94ea..012df2676a26 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -2,13 +2,14 @@
* IRQ chip definitions for INTC IRQs.
*
* Copyright (C) 2007, 2008 Magnus Damm
- * Copyright (C) 2009, 2010 Paul Mundt
+ * Copyright (C) 2009 - 2012 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/cpumask.h>
+#include <linux/bsearch.h>
#include <linux/io.h>
#include "internals.h"
@@ -58,11 +59,6 @@ static void intc_disable(struct irq_data *data)
}
}
-static int intc_set_wake(struct irq_data *data, unsigned int on)
-{
- return 0; /* allow wakeup, but setup hardware in intc_suspend() */
-}
-
#ifdef CONFIG_SMP
/*
* This is held with the irq desc lock held, so we don't require any
@@ -78,7 +74,7 @@ static int intc_set_affinity(struct irq_data *data,
cpumask_copy(data->affinity, cpumask);
- return 0;
+ return IRQ_SET_MASK_OK_NOCOPY;
}
#endif
@@ -122,28 +118,12 @@ static struct intc_handle_int *intc_find_irq(struct intc_handle_int *hp,
unsigned int nr_hp,
unsigned int irq)
{
- int i;
-
- /*
- * this doesn't scale well, but...
- *
- * this function should only be used for cerain uncommon
- * operations such as intc_set_priority() and intc_set_type()
- * and in those rare cases performance doesn't matter that much.
- * keeping the memory footprint low is more important.
- *
- * one rather simple way to speed this up and still keep the
- * memory footprint down is to make sure the array is sorted
- * and then perform a bisect to lookup the irq.
- */
- for (i = 0; i < nr_hp; i++) {
- if ((hp + i)->irq != irq)
- continue;
+ struct intc_handle_int key;
- return hp + i;
- }
+ key.irq = irq;
+ key.handle = 0;
- return NULL;
+ return bsearch(&key, hp, nr_hp, sizeof(*hp), intc_handle_int_cmp);
}
int intc_set_priority(unsigned int irq, unsigned int prio)
@@ -223,10 +203,9 @@ struct irq_chip intc_irq_chip = {
.irq_mask_ack = intc_mask_ack,
.irq_enable = intc_enable,
.irq_disable = intc_disable,
- .irq_shutdown = intc_disable,
.irq_set_type = intc_set_type,
- .irq_set_wake = intc_set_wake,
#ifdef CONFIG_SMP
.irq_set_affinity = intc_set_affinity,
#endif
+ .flags = IRQCHIP_SKIP_SET_WAKE,
};
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index e53e449b4eca..7e562ccb6997 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -2,7 +2,7 @@
* Shared interrupt handling code for IPR and INTC2 types of IRQs.
*
* Copyright (C) 2007, 2008 Magnus Damm
- * Copyright (C) 2009, 2010 Paul Mundt
+ * Copyright (C) 2009 - 2012 Paul Mundt
*
* Based on intc2.c and ipr.c
*
@@ -31,18 +31,19 @@
#include <linux/spinlock.h>
#include <linux/radix-tree.h>
#include <linux/export.h>
+#include <linux/sort.h>
#include "internals.h"
LIST_HEAD(intc_list);
DEFINE_RAW_SPINLOCK(intc_big_lock);
-unsigned int nr_intc_controllers;
+static unsigned int nr_intc_controllers;
/*
* Default priority level
* - this needs to be at least 2 for 5-bit priorities on 7780
*/
static unsigned int default_prio_level = 2; /* 2 - 16 */
-static unsigned int intc_prio_level[NR_IRQS]; /* for now */
+static unsigned int intc_prio_level[INTC_NR_IRQS]; /* for now */
unsigned int intc_get_dfl_prio_level(void)
{
@@ -267,6 +268,9 @@ int __init register_intc_controller(struct intc_desc *desc)
k += save_reg(d, k, hw->prio_regs[i].set_reg, smp);
k += save_reg(d, k, hw->prio_regs[i].clr_reg, smp);
}
+
+ sort(d->prio, hw->nr_prio_regs, sizeof(*d->prio),
+ intc_handle_int_cmp, NULL);
}
if (hw->sense_regs) {
@@ -277,6 +281,9 @@ int __init register_intc_controller(struct intc_desc *desc)
for (i = 0; i < hw->nr_sense_regs; i++)
k += save_reg(d, k, hw->sense_regs[i].reg, 0);
+
+ sort(d->sense, hw->nr_sense_regs, sizeof(*d->sense),
+ intc_handle_int_cmp, NULL);
}
if (hw->subgroups)
diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c
index 5fea1ee8799a..14eb01ef5d72 100644
--- a/drivers/sh/intc/dynamic.c
+++ b/drivers/sh/intc/dynamic.c
@@ -55,11 +55,3 @@ void destroy_irq(unsigned int irq)
{
irq_free_desc(irq);
}
-
-void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs)
-{
- int i;
-
- for (i = 0; i < nr_vecs; i++)
- irq_reserve_irq(evt2irq(vectors[i].vect));
-}
diff --git a/drivers/sh/intc/handle.c b/drivers/sh/intc/handle.c
index 057ce56829bf..7863a44918a2 100644
--- a/drivers/sh/intc/handle.c
+++ b/drivers/sh/intc/handle.c
@@ -13,7 +13,7 @@
#include <linux/spinlock.h>
#include "internals.h"
-static unsigned long ack_handle[NR_IRQS];
+static unsigned long ack_handle[INTC_NR_IRQS];
static intc_enum __init intc_grp_id(struct intc_desc *desc,
intc_enum enum_id)
@@ -172,9 +172,8 @@ intc_get_prio_handle(struct intc_desc *desc, struct intc_desc_int *d,
return 0;
}
-static unsigned int __init intc_ack_data(struct intc_desc *desc,
- struct intc_desc_int *d,
- intc_enum enum_id)
+static unsigned int intc_ack_data(struct intc_desc *desc,
+ struct intc_desc_int *d, intc_enum enum_id)
{
struct intc_mask_reg *mr = desc->hw.ack_regs;
unsigned int i, j, fn, mode;
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index b0e9155ff739..f034a979a16f 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -108,6 +108,14 @@ static inline void activate_irq(int irq)
#endif
}
+static inline int intc_handle_int_cmp(const void *a, const void *b)
+{
+ const struct intc_handle_int *_a = a;
+ const struct intc_handle_int *_b = b;
+
+ return _a->irq - _b->irq;
+}
+
/* access.c */
extern unsigned long
(*intc_reg_fns[])(unsigned long addr, unsigned long h, unsigned long data);
@@ -157,7 +165,6 @@ void _intc_enable(struct irq_data *data, unsigned long handle);
/* core.c */
extern struct list_head intc_list;
extern raw_spinlock_t intc_big_lock;
-extern unsigned int nr_intc_controllers;
extern struct bus_type intc_subsys;
unsigned int intc_get_dfl_prio_level(void);
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index c7ec49ffd9f6..93cec21e788b 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -17,7 +17,7 @@
#include <linux/export.h>
#include "internals.h"
-static struct intc_map_entry intc_irq_xlate[NR_IRQS];
+static struct intc_map_entry intc_irq_xlate[INTC_NR_IRQS];
struct intc_virq_list {
unsigned int irq;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 11:57:46 +0000