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authorJeff Garzik <jeff@garzik.org>2007-02-17 15:09:59 -0500
committerJeff Garzik <jeff@garzik.org>2007-02-17 15:09:59 -0500
commit48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (patch)
treeda3aa535c98cc0957851354ceb0fbff7482d7a9d /arch/arm
parent1a1689344add3333d28d1b5495d8043a3877d01c (diff)
parent4409d28140d9a6e6e3f4f1fdaf7234c4b965d954 (diff)
Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig9
-rw-r--r--arch/arm/common/rtctime.c2
-rw-r--r--arch/arm/kernel/setup.c6
-rw-r--r--arch/arm/kernel/time.c10
-rw-r--r--arch/arm/kernel/vmlinux.lds.S2
-rw-r--r--arch/arm/mach-at91rm9200/clock.c2
-rw-r--r--arch/arm/mach-at91rm9200/gpio.c48
7 files changed, 64 insertions, 15 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1523046e092..5c795193ebb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -29,6 +29,10 @@ config MMU
bool
default y
+config NO_IOPORT
+ bool
+ default n
+
config EISA
bool
---help---
@@ -100,6 +104,10 @@ config GENERIC_BUST_SPINLOCK
config ARCH_MAY_HAVE_PC_FDC
bool
+config ZONE_DMA
+ bool
+ default y
+
config GENERIC_ISA_DMA
bool
@@ -294,6 +302,7 @@ config ARCH_RPC
select TIMER_ACORN
select ARCH_MAY_HAVE_PC_FDC
select ISA_DMA_API
+ select NO_IOPORT
help
On the Acorn Risc-PC, Linux can support the internal IDE disk and
CD-ROM interface, serial and parallel port, and the floppy drive.
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index 4e5445cfb0e..bf1075e1f57 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -329,7 +329,7 @@ static int rtc_fasync(int fd, struct file *file, int on)
return fasync_helper(fd, file, on, &rtc_async_queue);
}
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = rtc_read,
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index bbab134cd82..ed522151878 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -106,7 +106,7 @@ unsigned long phys_initrd_size __initdata = 0;
static struct meminfo meminfo __initdata = { 0, };
static const char *cpu_name;
static const char *machine_name;
-static char command_line[COMMAND_LINE_SIZE];
+static char __initdata command_line[COMMAND_LINE_SIZE];
static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;
static union { char c[4]; unsigned long l; } endian_test __initdata = { { 'l', '?', '?', 'b' } };
@@ -803,8 +803,8 @@ void __init setup_arch(char **cmdline_p)
init_mm.end_data = (unsigned long) &_edata;
init_mm.brk = (unsigned long) &_end;
- memcpy(saved_command_line, from, COMMAND_LINE_SIZE);
- saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
+ memcpy(boot_command_line, from, COMMAND_LINE_SIZE);
+ boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
parse_cmdline(cmdline_p, from);
paging_init(&meminfo, mdesc);
request_standard_resources(&meminfo, mdesc);
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 3c8cdcfe8d4..ee47c532e21 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -78,16 +78,6 @@ static unsigned long dummy_gettimeoffset(void)
#endif
/*
- * Scheduler clock - returns current time in nanosec units.
- * This is the default implementation. Sub-architecture
- * implementations can override this.
- */
-unsigned long long __attribute__((weak)) sched_clock(void)
-{
- return (unsigned long long)jiffies * (1000000000 / HZ);
-}
-
-/*
* An implementation of printk_clock() independent from
* sched_clock(). This avoids non-bootable kernels when
* printk_clock is enabled.
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index a8fa75ea07a..b929a60f754 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -53,10 +53,12 @@ SECTIONS
__security_initcall_start = .;
*(.security_initcall.init)
__security_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
. = ALIGN(32);
__initramfs_start = .;
usr/built-in.o(.init.ramfs)
__initramfs_end = .;
+#endif
. = ALIGN(64);
__per_cpu_start = .;
*(.data.percpu)
diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c
index 4dee21fefe5..36a8e4d1cc6 100644
--- a/arch/arm/mach-at91rm9200/clock.c
+++ b/arch/arm/mach-at91rm9200/clock.c
@@ -407,7 +407,7 @@ static int at91_clk_open(struct inode *inode, struct file *file)
return single_open(file, at91_clk_show, NULL);
}
-static struct file_operations at91_clk_operations = {
+static const struct file_operations at91_clk_operations = {
.open = at91_clk_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
index af22659c8a2..15eb5b6b29f 100644
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ b/arch/arm/mach-at91rm9200/gpio.c
@@ -65,6 +65,24 @@ static inline unsigned pin_to_mask(unsigned pin)
/*
+ * mux the pin to the "GPIO" peripheral role.
+ */
+int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup)
+{
+ void __iomem *pio = pin_to_controller(pin);
+ unsigned mask = pin_to_mask(pin);
+
+ if (!pio)
+ return -EINVAL;
+ __raw_writel(mask, pio + PIO_IDR);
+ __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
+ __raw_writel(mask, pio + PIO_PER);
+ return 0;
+}
+EXPORT_SYMBOL(at91_set_GPIO_periph);
+
+
+/*
* mux the pin to the "A" internal peripheral role.
*/
int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup)
@@ -181,6 +199,36 @@ EXPORT_SYMBOL(at91_set_multi_drive);
/*--------------------------------------------------------------------------*/
+/* new-style GPIO calls; these expect at91_set_GPIO_periph to have been
+ * called, and maybe at91_set_multi_drive() for putout pins.
+ */
+
+int gpio_direction_input(unsigned pin)
+{
+ void __iomem *pio = pin_to_controller(pin);
+ unsigned mask = pin_to_mask(pin);
+
+ if (!pio || !(__raw_readl(pio + PIO_PSR) & mask))
+ return -EINVAL;
+ __raw_writel(mask, pio + PIO_OER);
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned pin)
+{
+ void __iomem *pio = pin_to_controller(pin);
+ unsigned mask = pin_to_mask(pin);
+
+ if (!pio || !(__raw_readl(pio + PIO_PSR) & mask))
+ return -EINVAL;
+ __raw_writel(mask, pio + PIO_OER);
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+/*--------------------------------------------------------------------------*/
+
/*
* assuming the pin is muxed as a gpio output, set its value.
*/