aboutsummaryrefslogtreecommitdiff
path: root/arch/xtensa/variants/s6000
diff options
context:
space:
mode:
Diffstat (limited to 'arch/xtensa/variants/s6000')
-rw-r--r--arch/xtensa/variants/s6000/delay.c6
-rw-r--r--arch/xtensa/variants/s6000/dmac.c2
-rw-r--r--arch/xtensa/variants/s6000/gpio.c49
-rw-r--r--arch/xtensa/variants/s6000/include/variant/dmac.h4
-rw-r--r--arch/xtensa/variants/s6000/include/variant/irq.h1
-rw-r--r--arch/xtensa/variants/s6000/irq.c4
6 files changed, 31 insertions, 35 deletions
diff --git a/arch/xtensa/variants/s6000/delay.c b/arch/xtensa/variants/s6000/delay.c
index 54b2b573f16..39154563ee1 100644
--- a/arch/xtensa/variants/s6000/delay.c
+++ b/arch/xtensa/variants/s6000/delay.c
@@ -1,4 +1,3 @@
-#include <asm/delay.h>
#include <asm/timex.h>
#include <asm/io.h>
#include <variant/hardware.h>
@@ -17,11 +16,10 @@ void platform_calibrate_ccount(void)
"1: l32i %0, %2, 0 ;"
" beq %0, %1, 1b ;"
: "=&a"(u) : "a"(t), "a"(tstamp));
- b = xtensa_get_ccount();
+ b = get_ccount();
if (i == LOOPS)
a = b;
} while (--i >= 0);
b -= a;
- nsec_per_ccount = (LOOPS * 10000) / b;
- ccount_per_jiffy = b * (100000UL / (LOOPS * HZ));
+ ccount_freq = b * (100000UL / LOOPS);
}
diff --git a/arch/xtensa/variants/s6000/dmac.c b/arch/xtensa/variants/s6000/dmac.c
index dc7f7c57351..340f5bb0b5e 100644
--- a/arch/xtensa/variants/s6000/dmac.c
+++ b/arch/xtensa/variants/s6000/dmac.c
@@ -1,5 +1,5 @@
/*
- * Authors: Oskar Schirmer <os@emlix.com>
+ * Authors: Oskar Schirmer <oskar@scara.com>
* Daniel Gloeckner <dg@emlix.com>
* (c) 2008 emlix GmbH http://www.emlix.com
*
diff --git a/arch/xtensa/variants/s6000/gpio.c b/arch/xtensa/variants/s6000/gpio.c
index 380a70fff75..da9e85c13b0 100644
--- a/arch/xtensa/variants/s6000/gpio.c
+++ b/arch/xtensa/variants/s6000/gpio.c
@@ -2,8 +2,8 @@
* s6000 gpio driver
*
* Copyright (c) 2009 emlix GmbH
- * Authors: Oskar Schirmer <os@emlix.com>
- * Johannes Weiner <jw@emlix.com>
+ * Authors: Oskar Schirmer <oskar@scara.com>
+ * Johannes Weiner <hannes@cmpxchg.org>
* Daniel Gloeckner <dg@emlix.com>
*/
#include <linux/bitops.h>
@@ -85,30 +85,29 @@ int s6_gpio_init(u32 afsel)
return gpiochip_add(&gpiochip);
}
-static void ack(unsigned int irq)
+static void ack(struct irq_data *d)
{
- writeb(1 << (irq - IRQ_BASE), S6_REG_GPIO + S6_GPIO_IC);
+ writeb(1 << (d->irq - IRQ_BASE), S6_REG_GPIO + S6_GPIO_IC);
}
-static void mask(unsigned int irq)
+static void mask(struct irq_data *d)
{
u8 r = readb(S6_REG_GPIO + S6_GPIO_IE);
- r &= ~(1 << (irq - IRQ_BASE));
+ r &= ~(1 << (d->irq - IRQ_BASE));
writeb(r, S6_REG_GPIO + S6_GPIO_IE);
}
-static void unmask(unsigned int irq)
+static void unmask(struct irq_data *d)
{
u8 m = readb(S6_REG_GPIO + S6_GPIO_IE);
- m |= 1 << (irq - IRQ_BASE);
+ m |= 1 << (d->irq - IRQ_BASE);
writeb(m, S6_REG_GPIO + S6_GPIO_IE);
}
-static int set_type(unsigned int irq, unsigned int type)
+static int set_type(struct irq_data *d, unsigned int type)
{
- const u8 m = 1 << (irq - IRQ_BASE);
+ const u8 m = 1 << (d->irq - IRQ_BASE);
irq_flow_handler_t handler;
- struct irq_desc *desc;
u8 reg;
if (type == IRQ_TYPE_PROBE) {
@@ -129,8 +128,7 @@ static int set_type(unsigned int irq, unsigned int type)
handler = handle_edge_irq;
}
writeb(reg, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IS);
- desc = irq_to_desc(irq);
- desc->handle_irq = handler;
+ __irq_set_handler_locked(irq, handler);
reg = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IEV);
if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING))
@@ -150,22 +148,23 @@ static int set_type(unsigned int irq, unsigned int type)
static struct irq_chip gpioirqs = {
.name = "GPIO",
- .ack = ack,
- .mask = mask,
- .unmask = unmask,
- .set_type = set_type,
+ .irq_ack = ack,
+ .irq_mask = mask,
+ .irq_unmask = unmask,
+ .irq_set_type = set_type,
};
static u8 demux_masks[4];
static void demux_irqs(unsigned int irq, struct irq_desc *desc)
{
- u8 *mask = get_irq_desc_data(desc);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ u8 *mask = irq_desc_get_handler_data(desc);
u8 pending;
int cirq;
- desc->chip->mask(irq);
- desc->chip->ack(irq);
+ chip->irq_mask(&desc->irq_data);
+ chip->irq_ack(&desc->irq_data);
pending = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_MIS) & *mask;
cirq = IRQ_BASE - 1;
while (pending) {
@@ -174,7 +173,7 @@ static void demux_irqs(unsigned int irq, struct irq_desc *desc)
pending >>= n;
generic_handle_irq(cirq);
}
- desc->chip->unmask(irq);
+ chip->irq_unmask(&desc->irq_data);
}
extern const signed char *platform_irq_mappings[XTENSA_NR_IRQS];
@@ -219,11 +218,11 @@ void __init variant_init_irq(void)
i = ffs(mask);
cirq += i;
mask >>= i;
- set_irq_chip(cirq, &gpioirqs);
- set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
+ irq_set_chip(cirq, &gpioirqs);
+ irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
} while (mask);
- set_irq_data(irq, demux_masks + n);
- set_irq_chained_handler(irq, demux_irqs);
+ irq_set_handler_data(irq, demux_masks + n);
+ irq_set_chained_handler(irq, demux_irqs);
if (++n == ARRAY_SIZE(demux_masks))
break;
}
diff --git a/arch/xtensa/variants/s6000/include/variant/dmac.h b/arch/xtensa/variants/s6000/include/variant/dmac.h
index 89ab9484fb7..3f88d9fc689 100644
--- a/arch/xtensa/variants/s6000/include/variant/dmac.h
+++ b/arch/xtensa/variants/s6000/include/variant/dmac.h
@@ -8,7 +8,7 @@
* Copyright (C) 2006 Tensilica Inc.
* Copyright (C) 2008 Emlix GmbH <info@emlix.com>
* Authors: Fabian Godehardt <fg@emlix.com>
- * Oskar Schirmer <os@emlix.com>
+ * Oskar Schirmer <oskar@scara.com>
* Daniel Gloeckner <dg@emlix.com>
*/
@@ -357,7 +357,7 @@ static inline u32 s6dmac_channel_enabled(u32 dmac, int chan)
static inline void s6dmac_dp_setup_group(u32 dmac, int port,
int nrch, int frrep)
{
- const static u8 mask[4] = {0, 3, 1, 2};
+ static const u8 mask[4] = {0, 3, 1, 2};
BUG_ON(dmac != S6_REG_DPDMA);
if ((port < 0) || (port > 3) || (nrch < 1) || (nrch > 4))
return;
diff --git a/arch/xtensa/variants/s6000/include/variant/irq.h b/arch/xtensa/variants/s6000/include/variant/irq.h
index 97d6fc48def..39ca751a625 100644
--- a/arch/xtensa/variants/s6000/include/variant/irq.h
+++ b/arch/xtensa/variants/s6000/include/variant/irq.h
@@ -1,7 +1,6 @@
#ifndef _XTENSA_S6000_IRQ_H
#define _XTENSA_S6000_IRQ_H
-#define NO_IRQ (-1)
#define VARIANT_NR_IRQS 8 /* GPIO interrupts */
extern void variant_irq_enable(unsigned int irq);
diff --git a/arch/xtensa/variants/s6000/irq.c b/arch/xtensa/variants/s6000/irq.c
index 6651e3285fc..81a241e7907 100644
--- a/arch/xtensa/variants/s6000/irq.c
+++ b/arch/xtensa/variants/s6000/irq.c
@@ -2,8 +2,8 @@
* s6000 irq crossbar
*
* Copyright (c) 2009 emlix GmbH
- * Authors: Johannes Weiner <jw@emlix.com>
- * Oskar Schirmer <os@emlix.com>
+ * Authors: Johannes Weiner <hannes@cmpxchg.org>
+ * Oskar Schirmer <oskar@scara.com>
*/
#include <linux/io.h>
#include <asm/irq.h>
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 11:46:16 +0000