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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-10-23 15:24:10 +0200
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-10-23 15:24:10 +0200
commitd9214556b11a8d18ff588e60824c12041d30f791 (patch)
tree04ab59d13961675811a55c96fb12b2b167b72318 /arch/avr32/mach-at32ap
parent72a1419a9d4c859a3345e4b83f8ef7d599d3818c (diff)
parente82c6106b04b85879d802bbbeaed30d9b10a92e2 (diff)
downloadlinux-d9214556b11a8d18ff588e60824c12041d30f791.tar.bz2
Merge branches 'boards' and 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/mach-at32ap')
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c7
-rw-r--r--arch/avr32/mach-at32ap/cpufreq.c15
-rw-r--r--arch/avr32/mach-at32ap/extint.c8
-rw-r--r--arch/avr32/mach-at32ap/include/mach/board.h10
4 files changed, 31 insertions, 9 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index caec25a2eec6..0c6e02f80a31 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -813,7 +813,7 @@ static struct resource pio4_resource[] = {
DEFINE_DEV(pio, 4);
DEV_CLK(mck, pio4, pba, 14);
-void __init at32_add_system_devices(void)
+static int __init system_device_init(void)
{
platform_device_register(&at32_pm0_device);
platform_device_register(&at32_intc0_device);
@@ -832,7 +832,10 @@ void __init at32_add_system_devices(void)
platform_device_register(&pio2_device);
platform_device_register(&pio3_device);
platform_device_register(&pio4_device);
+
+ return 0;
}
+core_initcall(system_device_init);
/* --------------------------------------------------------------------
* PSIF
@@ -1474,7 +1477,7 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
pin_mask = ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL;
/* LCDC on port C */
- portc_mask = (pin_mask & 0xfff80000) >> 19;
+ portc_mask = pin_mask & 0xfff80000;
select_peripheral(PIOC, portc_mask, PERIPH_A, 0);
/* LCDC on port D */
diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
index 5dd8d25428bf..024c586e936c 100644
--- a/arch/avr32/mach-at32ap/cpufreq.c
+++ b/arch/avr32/mach-at32ap/cpufreq.c
@@ -40,6 +40,9 @@ static unsigned int at32_get_speed(unsigned int cpu)
return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
}
+static unsigned int ref_freq;
+static unsigned long loops_per_jiffy_ref;
+
static int at32_set_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
@@ -61,8 +64,19 @@ static int at32_set_target(struct cpufreq_policy *policy,
freqs.cpu = 0;
freqs.flags = 0;
+ if (!ref_freq) {
+ ref_freq = freqs.old;
+ loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
+ }
+
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ if (freqs.old < freqs.new)
+ boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+ loops_per_jiffy_ref, ref_freq, freqs.new);
clk_set_rate(cpuclk, freq);
+ if (freqs.new < freqs.old)
+ boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+ loops_per_jiffy_ref, ref_freq, freqs.new);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
pr_debug("cpufreq: set frequency %lu Hz\n", freq);
@@ -87,7 +101,6 @@ static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
policy->cur = at32_get_speed(0);
policy->min = policy->cpuinfo.min_freq;
policy->max = policy->cpuinfo.max_freq;
- policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
printk("cpufreq: AT32AP CPU frequency driver\n");
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index c36a6d59d6f0..310477ba1bbf 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -191,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev)
struct eic *eic;
struct resource *regs;
unsigned int i;
- unsigned int nr_irqs;
+ unsigned int nr_of_irqs;
unsigned int int_irq;
int ret;
u32 pattern;
@@ -224,7 +224,7 @@ static int __init eic_probe(struct platform_device *pdev)
eic_writel(eic, IDR, ~0UL);
eic_writel(eic, MODE, ~0UL);
pattern = eic_readl(eic, MODE);
- nr_irqs = fls(pattern);
+ nr_of_irqs = fls(pattern);
/* Trigger on low level unless overridden by driver */
eic_writel(eic, EDGE, 0UL);
@@ -232,7 +232,7 @@ static int __init eic_probe(struct platform_device *pdev)
eic->chip = &eic_chip;
- for (i = 0; i < nr_irqs; i++) {
+ for (i = 0; i < nr_of_irqs; i++) {
set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
handle_level_irq);
set_irq_chip_data(eic->first_irq + i, eic);
@@ -256,7 +256,7 @@ static int __init eic_probe(struct platform_device *pdev)
eic->regs, int_irq);
dev_info(&pdev->dev,
"Handling %u external IRQs, starting with IRQ %u\n",
- nr_irqs, eic->first_irq);
+ nr_of_irqs, eic->first_irq);
return 0;
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index c48386d66bc3..aafaf7a78886 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -14,8 +14,14 @@
*/
extern unsigned long at32_board_osc_rates[];
-/* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
-void at32_add_system_devices(void);
+/*
+ * This used to add essential system devices, but this is now done
+ * automatically. Please don't use it in new board code.
+ */
+static inline void __deprecated at32_add_system_devices(void)
+{
+
+}
#define ATMEL_MAX_UART 4
extern struct platform_device *atmel_default_console_device;