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-rw-r--r--drivers/parisc/hppb.c14
-rw-r--r--drivers/parisc/iosapic_private.h2
-rw-r--r--drivers/parisc/lba_pci.c90
-rw-r--r--drivers/parisc/led.c14
-rw-r--r--drivers/parisc/power.c201
-rw-r--r--drivers/parisc/sba_iommu.c4
6 files changed, 154 insertions, 171 deletions
diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c
index 07dc2b6d4e9..9bb4db552f3 100644
--- a/drivers/parisc/hppb.c
+++ b/drivers/parisc/hppb.c
@@ -10,10 +10,6 @@
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
-** This Driver currently only supports the console (port 0) on the MUX.
-** Additional work will be needed on this driver to enable the full
-** functionality of the MUX.
-**
*/
#include <linux/types.h>
@@ -67,7 +63,7 @@ static int hppb_probe(struct parisc_device *dev)
}
card = card->next;
}
- printk(KERN_INFO "Found GeckoBoa at 0x%lx\n", dev->hpa.start);
+ printk(KERN_INFO "Found GeckoBoa at 0x%x\n", dev->hpa.start);
card->hpa = dev->hpa.start;
card->mmio_region.name = "HP-PB Bus";
@@ -78,16 +74,18 @@ static int hppb_probe(struct parisc_device *dev)
status = ccio_request_resource(dev, &card->mmio_region);
if(status < 0) {
- printk(KERN_ERR "%s: failed to claim HP-PB bus space (%08lx, %08lx)\n",
+ printk(KERN_ERR "%s: failed to claim HP-PB bus space (%08x, %08x)\n",
__FILE__, card->mmio_region.start, card->mmio_region.end);
}
return 0;
}
-
static struct parisc_device_id hppb_tbl[] = {
- { HPHW_BCPORT, HVERSION_REV_ANY_ID, 0x500, 0xc },
+ { HPHW_BCPORT, HVERSION_REV_ANY_ID, 0x500, 0xc }, /* E25 and K */
+ { HPHW_BCPORT, 0x0, 0x501, 0xc }, /* E35 */
+ { HPHW_BCPORT, 0x0, 0x502, 0xc }, /* E45 */
+ { HPHW_BCPORT, 0x0, 0x503, 0xc }, /* E55 */
{ 0, }
};
diff --git a/drivers/parisc/iosapic_private.h b/drivers/parisc/iosapic_private.h
index 41e7ec2a44a..6e05e30a245 100644
--- a/drivers/parisc/iosapic_private.h
+++ b/drivers/parisc/iosapic_private.h
@@ -132,7 +132,7 @@ struct iosapic_irt {
struct vector_info {
struct iosapic_info *iosapic; /* I/O SAPIC this vector is on */
struct irt_entry *irte; /* IRT entry */
- u32 *eoi_addr; /* precalculate EOI reg address */
+ u32 __iomem *eoi_addr; /* precalculate EOI reg address */
u32 eoi_data; /* IA64: ? PA: swapped txn_data */
int txn_irq; /* virtual IRQ number for processor */
ulong txn_addr; /* IA64: id_eid PA: partial HPA */
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index ba6769934c7..21c4c299b3d 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -168,7 +168,8 @@ lba_dump_res(struct resource *r, int d)
printk(KERN_DEBUG "(%p)", r->parent);
for (i = d; i ; --i) printk(" ");
- printk(KERN_DEBUG "%p [%lx,%lx]/%lx\n", r, r->start, r->end, r->flags);
+ printk(KERN_DEBUG "%p [%lx,%lx]/%lx\n", r,
+ (long)r->start, (long)r->end, r->flags);
lba_dump_res(r->child, d+2);
lba_dump_res(r->sibling, d);
}
@@ -647,7 +648,7 @@ truncate_pat_collision(struct resource *root, struct resource *new)
printk(KERN_WARNING "LBA: Truncating lmmio_space [%lx/%lx] "
"to [%lx,%lx]\n",
start, end,
- new->start, new->end );
+ (long)new->start, (long)new->end );
return 0; /* truncation successful */
}
@@ -715,8 +716,8 @@ lba_fixup_bus(struct pci_bus *bus)
printk("FAILED: lba_fixup_bus() request for "
"elmmio_space [%lx/%lx]\n",
- ldev->hba.elmmio_space.start,
- ldev->hba.elmmio_space.end);
+ (long)ldev->hba.elmmio_space.start,
+ (long)ldev->hba.elmmio_space.end);
/* lba_dump_res(&iomem_resource, 2); */
/* BUG(); */
@@ -738,15 +739,15 @@ lba_fixup_bus(struct pci_bus *bus)
&(ldev->hba.lmmio_space))) {
printk(KERN_WARNING "LBA: lmmio_space [%lx/%lx] duplicate!\n",
- ldev->hba.lmmio_space.start,
- ldev->hba.lmmio_space.end);
+ (long)ldev->hba.lmmio_space.start,
+ (long)ldev->hba.lmmio_space.end);
} else {
err = request_resource(&iomem_resource, &(ldev->hba.lmmio_space));
if (err < 0) {
printk(KERN_ERR "FAILED: lba_fixup_bus() request for "
"lmmio_space [%lx/%lx]\n",
- ldev->hba.lmmio_space.start,
- ldev->hba.lmmio_space.end);
+ (long)ldev->hba.lmmio_space.start,
+ (long)ldev->hba.lmmio_space.end);
} else
bus->resource[i++] = &(ldev->hba.lmmio_space);
}
@@ -758,8 +759,8 @@ lba_fixup_bus(struct pci_bus *bus)
if (err < 0) {
printk("FAILED: lba_fixup_bus() request for "
"gmmio_space [%lx/%lx]\n",
- ldev->hba.gmmio_space.start,
- ldev->hba.gmmio_space.end);
+ (long)ldev->hba.gmmio_space.start,
+ (long)ldev->hba.gmmio_space.end);
lba_dump_res(&iomem_resource, 2);
BUG();
}
@@ -980,7 +981,7 @@ LBA_PORT_IN(32, 0)
#define LBA_PORT_OUT(size, mask) \
static void lba_pat_out##size (struct pci_hba_data *l, u16 addr, u##size val) \
{ \
- void *where = (void *) PIOP_TO_GMMIO(LBA_DEV(l), addr); \
+ void __iomem *where = PIOP_TO_GMMIO(LBA_DEV(l), addr); \
DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __FUNCTION__, l, addr, val); \
WRITE_REG##size(val, where); \
/* flush the I/O down to the elroy at least */ \
@@ -1063,16 +1064,16 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
/* used to fix up pre-initialized MEM BARs */
if (!lba_dev->hba.lmmio_space.start) {
sprintf(lba_dev->hba.lmmio_name,
- "PCI%02lx LMMIO",
- lba_dev->hba.bus_num.start);
+ "PCI%02x LMMIO",
+ (int)lba_dev->hba.bus_num.start);
lba_dev->hba.lmmio_space_offset = p->start -
io->start;
r = &lba_dev->hba.lmmio_space;
r->name = lba_dev->hba.lmmio_name;
} else if (!lba_dev->hba.elmmio_space.start) {
sprintf(lba_dev->hba.elmmio_name,
- "PCI%02lx ELMMIO",
- lba_dev->hba.bus_num.start);
+ "PCI%02x ELMMIO",
+ (int)lba_dev->hba.bus_num.start);
r = &lba_dev->hba.elmmio_space;
r->name = lba_dev->hba.elmmio_name;
} else {
@@ -1089,8 +1090,8 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
case PAT_GMMIO:
/* MMIO space > 4GB phys addr; for 64-bit BAR */
- sprintf(lba_dev->hba.gmmio_name, "PCI%02lx GMMIO",
- lba_dev->hba.bus_num.start);
+ sprintf(lba_dev->hba.gmmio_name, "PCI%02x GMMIO",
+ (int)lba_dev->hba.bus_num.start);
r = &lba_dev->hba.gmmio_space;
r->name = lba_dev->hba.gmmio_name;
r->start = p->start;
@@ -1112,8 +1113,8 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
*/
lba_dev->iop_base = ioremap_nocache(p->start, 64 * 1024 * 1024);
- sprintf(lba_dev->hba.io_name, "PCI%02lx Ports",
- lba_dev->hba.bus_num.start);
+ sprintf(lba_dev->hba.io_name, "PCI%02x Ports",
+ (int)lba_dev->hba.bus_num.start);
r = &lba_dev->hba.io_space;
r->name = lba_dev->hba.io_name;
r->start = HBA_PORT_BASE(lba_dev->hba.hba_num);
@@ -1166,8 +1167,8 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
** Legacy boxes but it's nice to see in /proc/iomem.
*/
r = &(lba_dev->hba.lmmio_space);
- sprintf(lba_dev->hba.lmmio_name, "PCI%02lx LMMIO",
- lba_dev->hba.bus_num.start);
+ sprintf(lba_dev->hba.lmmio_name, "PCI%02x LMMIO",
+ (int)lba_dev->hba.bus_num.start);
r->name = lba_dev->hba.lmmio_name;
#if 1
@@ -1275,8 +1276,8 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
** an existing (but unused portion of) distributed range.
*/
r = &(lba_dev->hba.elmmio_space);
- sprintf(lba_dev->hba.elmmio_name, "PCI%02lx ELMMIO",
- lba_dev->hba.bus_num.start);
+ sprintf(lba_dev->hba.elmmio_name, "PCI%02x ELMMIO",
+ (int)lba_dev->hba.bus_num.start);
r->name = lba_dev->hba.elmmio_name;
#if 1
@@ -1297,8 +1298,8 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
#endif
r = &(lba_dev->hba.io_space);
- sprintf(lba_dev->hba.io_name, "PCI%02lx Ports",
- lba_dev->hba.bus_num.start);
+ sprintf(lba_dev->hba.io_name, "PCI%02x Ports",
+ (int)lba_dev->hba.bus_num.start);
r->name = lba_dev->hba.io_name;
r->flags = IORESOURCE_IO;
r->start = READ_REG32(lba_dev->hba.base_addr + LBA_IOS_BASE) & ~1L;
@@ -1406,13 +1407,20 @@ lba_hw_init(struct lba_device *d)
return 0;
}
-
+/*
+ * Unfortunately, when firmware numbers busses, it doesn't take into account
+ * Cardbus bridges. So we have to renumber the busses to suit ourselves.
+ * Elroy/Mercury don't actually know what bus number they're attached to;
+ * we use bus 0 to indicate the directly attached bus and any other bus
+ * number will be taken care of by the PCI-PCI bridge.
+ */
+static unsigned int lba_next_bus = 0;
/*
-** Determine if lba should claim this chip (return 0) or not (return 1).
-** If so, initialize the chip and tell other partners in crime they
-** have work to do.
-*/
+ * Determine if lba should claim this chip (return 0) or not (return 1).
+ * If so, initialize the chip and tell other partners in crime they
+ * have work to do.
+ */
static int __init
lba_driver_probe(struct parisc_device *dev)
{
@@ -1440,7 +1448,7 @@ lba_driver_probe(struct parisc_device *dev)
}
printk(KERN_INFO "Elroy version %s (0x%x) found at 0x%lx\n",
- version, func_class & 0xf, dev->hpa.start);
+ version, func_class & 0xf, (long)dev->hpa.start);
if (func_class < 2) {
printk(KERN_WARNING "Can't support LBA older than "
@@ -1470,17 +1478,16 @@ lba_driver_probe(struct parisc_device *dev)
*/
printk(KERN_INFO "%s version TR%d.%d (0x%x) found at 0x%lx\n",
IS_MERCURY(dev) ? "Mercury" : "Quicksilver", major,
- minor, func_class, dev->hpa.start);
+ minor, func_class, (long)dev->hpa.start);
cfg_ops = &mercury_cfg_ops;
} else {
- printk(KERN_ERR "Unknown LBA found at 0x%lx\n", dev->hpa.start);
+ printk(KERN_ERR "Unknown LBA found at 0x%lx\n",
+ (long)dev->hpa.start);
return -ENODEV;
}
- /*
- ** Tell I/O SAPIC driver we have a IRQ handler/region.
- */
+ /* Tell I/O SAPIC driver we have a IRQ handler/region. */
tmp_obj = iosapic_register(dev->hpa.start + LBA_IOSAPIC_BASE);
/* NOTE: PCI devices (e.g. 103c:1005 graphics card) which don't
@@ -1529,16 +1536,17 @@ lba_driver_probe(struct parisc_device *dev)
lba_legacy_resources(dev, lba_dev);
}
- /*
- ** Tell PCI support another PCI bus was found.
- ** Walks PCI bus for us too.
- */
+ if (lba_dev->hba.bus_num.start < lba_next_bus)
+ lba_dev->hba.bus_num.start = lba_next_bus;
+
dev->dev.platform_data = lba_dev;
lba_bus = lba_dev->hba.hba_bus =
pci_scan_bus_parented(&dev->dev, lba_dev->hba.bus_num.start,
cfg_ops, NULL);
- if (lba_bus)
+ if (lba_bus) {
+ lba_next_bus = lba_bus->subordinate + 1;
pci_bus_add_devices(lba_bus);
+ }
/* This is in lieu of calling pci_assign_unassigned_resources() */
if (is_pdc_pat()) {
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 9a731c101d1..d190c05d87e 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -66,8 +66,8 @@ static char lcd_text_default[32] __read_mostly;
static struct workqueue_struct *led_wq;
-static void led_work_func(void *);
-static DECLARE_WORK(led_task, led_work_func, NULL);
+static void led_work_func(struct work_struct *);
+static DECLARE_DELAYED_WORK(led_task, led_work_func);
#if 0
#define DPRINTK(x) printk x
@@ -136,7 +136,7 @@ static int start_task(void)
/* Create the work queue and queue the LED task */
led_wq = create_singlethread_workqueue("led_wq");
- queue_work(led_wq, &led_task);
+ queue_delayed_work(led_wq, &led_task, 0);
return 0;
}
@@ -441,7 +441,7 @@ static __inline__ int led_get_diskio_activity(void)
#define LED_UPDATE_INTERVAL (1 + (HZ*19/1000))
-static void led_work_func (void *unused)
+static void led_work_func (struct work_struct *unused)
{
static unsigned long last_jiffies;
static unsigned long count_HZ; /* counter in range 0..HZ */
@@ -588,7 +588,7 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d
/* Ensure the work is queued */
if (led_wq) {
- queue_work(led_wq, &led_task);
+ queue_delayed_work(led_wq, &led_task, 0);
}
return 0;
@@ -629,7 +629,7 @@ void __init register_led_regions(void)
** avoid a race condition while writing the CMD/DATA register pair.
**
*/
-int lcd_print( char *str )
+int lcd_print( const char *str )
{
int i;
@@ -658,7 +658,7 @@ int lcd_print( char *str )
/* re-queue the work */
if (led_wq) {
- queue_work(led_wq, &led_task);
+ queue_delayed_work(led_wq, &led_task, 0);
}
return lcd_info.lcd_width;
diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index 97e9dc066f9..6dedbdef710 100644
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -2,7 +2,7 @@
* linux/drivers/parisc/power.c
* HP PARISC soft power switch support driver
*
- * Copyright (c) 2001-2005 Helge Deller <deller@gmx.de>
+ * Copyright (c) 2001-2007 Helge Deller <deller@gmx.de>
* All rights reserved.
*
*
@@ -29,7 +29,6 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
*
*
- *
* HINT:
* Support of the soft power switch button may be enabled or disabled at
* runtime through the "/proc/sys/kernel/power" procfs entry.
@@ -38,34 +37,28 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/string.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/workqueue.h>
+#include <linux/kthread.h>
#include <asm/pdc.h>
#include <asm/io.h>
#include <asm/led.h>
-#include <asm/uaccess.h>
+#define DRIVER_NAME "powersw"
+#define KTHREAD_NAME "kpowerswd"
-#ifdef DEBUG
-# define DPRINTK(x...) printk(x)
-#else
-# define DPRINTK(x...)
-#endif
-
-
-/* filename in /proc which can be used to enable/disable the power switch */
-#define SYSCTL_FILENAME "sys/kernel/power"
+/* how often should the power button be polled ? */
+#define POWERSWITCH_POLL_PER_SEC 2
+/* how long does the power button needs to be down until we react ? */
+#define POWERSWITCH_DOWN_SEC 2
+/* assembly code to access special registers */
+/* taken from PCXL ERS page 82 */
#define DIAG_CODE(code) (0x14000000 + ((code)<<5))
-/* this will go to processor.h or any other place... */
-/* taken from PCXL ERS page 82 */
#define MFCPU_X(rDiagReg, t_ch, t_th, code) \
(DIAG_CODE(code) + ((rDiagReg)<<21) + ((t_ch)<<16) + ((t_th)<<0) )
@@ -76,111 +69,95 @@
#define __getDIAG(dr) ( { \
register unsigned long __res asm("r28");\
__asm__ __volatile__ ( \
- ".word %1\n nop\n" : "=&r" (__res) : "i" (MFCPU_T(dr,28)) \
+ ".word %1" : "=&r" (__res) : "i" (MFCPU_T(dr,28) ) \
); \
__res; \
} )
-
-static void deferred_poweroff(void *dummy)
-{
- if (kill_cad_pid(SIGINT, 1)) {
- /* just in case killing init process failed */
- machine_power_off();
- }
-}
-
-/*
- * This function gets called from interrupt context.
- * As it's called within an interrupt, it wouldn't sync if we don't
- * use schedule_work().
- */
-
-static DECLARE_WORK(poweroff_work, deferred_poweroff, NULL);
-
-static void poweroff(void)
-{
- static int powering_off __read_mostly;
-
- if (powering_off)
- return;
-
- powering_off++;
- schedule_work(&poweroff_work);
-}
-
-
-/* local time-counter for shutdown */
+/* local shutdown counter */
static int shutdown_timer __read_mostly;
/* check, give feedback and start shutdown after one second */
static void process_shutdown(void)
{
if (shutdown_timer == 0)
- DPRINTK(KERN_INFO "Shutdown requested...\n");
+ printk(KERN_ALERT KTHREAD_NAME ": Shutdown requested...\n");
shutdown_timer++;
/* wait until the button was pressed for 1 second */
- if (shutdown_timer == HZ) {
-#if defined (DEBUG) || defined(CONFIG_CHASSIS_LCD_LED)
- static char msg[] = "Shutting down...";
-#endif
- DPRINTK(KERN_INFO "%s\n", msg);
+ if (shutdown_timer == (POWERSWITCH_DOWN_SEC*POWERSWITCH_POLL_PER_SEC)) {
+ static const char msg[] = "Shutting down...";
+ printk(KERN_INFO KTHREAD_NAME ": %s\n", msg);
lcd_print(msg);
- poweroff();
+
+ /* send kill signal */
+ if (kill_cad_pid(SIGINT, 1)) {
+ /* just in case killing init process failed */
+ if (pm_power_off)
+ pm_power_off();
+ }
}
}
-/* main power switch tasklet struct (scheduled from time.c) */
-DECLARE_TASKLET_DISABLED(power_tasklet, NULL, 0);
+/* main power switch task struct */
+static struct task_struct *power_task;
+
+/* filename in /proc which can be used to enable/disable the power switch */
+#define SYSCTL_FILENAME "sys/kernel/power"
/* soft power switch enabled/disabled */
int pwrsw_enabled __read_mostly = 1;
-/*
- * On gecko style machines (e.g. 712/xx and 715/xx)
- * the power switch status is stored in Bit 0 ("the highest bit")
- * of CPU diagnose register 25.
- *
- */
-static void gecko_tasklet_func(unsigned long unused)
+/* main kernel thread worker. It polls the button state */
+static int kpowerswd(void *param)
{
- if (unlikely(!pwrsw_enabled))
- return;
-
- if (__getDIAG(25) & 0x80000000) {
- /* power switch button not pressed or released again */
- /* Warning: Some machines do never reset this DIAG flag! */
- shutdown_timer = 0;
- } else {
- process_shutdown();
- }
-}
-
+ __set_current_state(TASK_RUNNING);
+
+ do {
+ int button_not_pressed;
+ unsigned long soft_power_reg = (unsigned long) param;
+
+ schedule_timeout_interruptible(pwrsw_enabled ? HZ : HZ/POWERSWITCH_POLL_PER_SEC);
+ __set_current_state(TASK_RUNNING);
+
+ if (unlikely(!pwrsw_enabled))
+ continue;
+
+ if (soft_power_reg) {
+ /*
+ * Non-Gecko-style machines:
+ * Check the power switch status which is read from the
+ * real I/O location at soft_power_reg.
+ * Bit 31 ("the lowest bit) is the status of the power switch.
+ * This bit is "1" if the button is NOT pressed.
+ */
+ button_not_pressed = (gsc_readl(soft_power_reg) & 0x1);
+ } else {
+ /*
+ * On gecko style machines (e.g. 712/xx and 715/xx)
+ * the power switch status is stored in Bit 0 ("the highest bit")
+ * of CPU diagnose register 25.
+ * Warning: Some machines never reset the DIAG flag, even if
+ * the button has been released again.
+ */
+ button_not_pressed = (__getDIAG(25) & 0x80000000);
+ }
+
+ if (likely(button_not_pressed)) {
+ if (unlikely(shutdown_timer && /* avoid writing if not necessary */
+ shutdown_timer < (POWERSWITCH_DOWN_SEC*POWERSWITCH_POLL_PER_SEC))) {
+ shutdown_timer = 0;
+ printk(KERN_INFO KTHREAD_NAME ": Shutdown request aborted.\n");
+ }
+ } else
+ process_shutdown();
+
+
+ } while (!kthread_should_stop());
-
-/*
- * Check the power switch status which is read from the
- * real I/O location at soft_power_reg.
- * Bit 31 ("the lowest bit) is the status of the power switch.
- */
-
-static void polling_tasklet_func(unsigned long soft_power_reg)
-{
- unsigned long current_status;
-
- if (unlikely(!pwrsw_enabled))
- return;
-
- current_status = gsc_readl(soft_power_reg);
- if (current_status & 0x1) {
- /* power switch button not pressed */
- shutdown_timer = 0;
- } else {
- process_shutdown();
- }
+ return 0;
}
@@ -220,7 +197,7 @@ static struct notifier_block parisc_panic_block = {
static int __init power_init(void)
{
unsigned long ret;
- unsigned long soft_power_reg = 0;
+ unsigned long soft_power_reg;
#if 0
request_irq( IRQ_FROM_REGION(CPU_IRQ_REGION)+2, &powerfail_interrupt,
@@ -235,44 +212,44 @@ static int __init power_init(void)
soft_power_reg = -1UL;
switch (soft_power_reg) {
- case 0: printk(KERN_INFO "Gecko-style soft power switch enabled.\n");
- power_tasklet.func = gecko_tasklet_func;
+ case 0: printk(KERN_INFO DRIVER_NAME ": Gecko-style soft power switch enabled.\n");
break;
- case -1UL: printk(KERN_INFO "Soft power switch support not available.\n");
+ case -1UL: printk(KERN_INFO DRIVER_NAME ": Soft power switch support not available.\n");
return -ENODEV;
- default: printk(KERN_INFO "Soft power switch enabled, polling @ 0x%08lx.\n",
+ default: printk(KERN_INFO DRIVER_NAME ": Soft power switch at 0x%08lx enabled.\n",
soft_power_reg);
- power_tasklet.data = soft_power_reg;
- power_tasklet.func = polling_tasklet_func;
+ }
+
+ power_task = kthread_run(kpowerswd, (void*)soft_power_reg, KTHREAD_NAME);
+ if (IS_ERR(power_task)) {
+ printk(KERN_ERR DRIVER_NAME ": thread creation failed. Driver not loaded.\n");
+ pdc_soft_power_button(0);
+ return -EIO;
}
/* Register a call for panic conditions. */
atomic_notifier_chain_register(&panic_notifier_list,
&parisc_panic_block);
- tasklet_enable(&power_tasklet);
-
return 0;
}
static void __exit power_exit(void)
{
- if (!power_tasklet.func)
- return;
+ kthread_stop(power_task);
- tasklet_disable(&power_tasklet);
atomic_notifier_chain_unregister(&panic_notifier_list,
&parisc_panic_block);
- power_tasklet.func = NULL;
+
pdc_soft_power_button(0);
}
-module_init(power_init);
+arch_initcall(power_init);
module_exit(power_exit);
-MODULE_AUTHOR("Helge Deller");
+MODULE_AUTHOR("Helge Deller <deller@gmx.de>");
MODULE_DESCRIPTION("Soft power switch driver");
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 76a29dadd51..322957ac2ad 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -109,7 +109,7 @@ static unsigned long piranha_bad_128k = 0;
#ifdef SBA_AGP_SUPPORT
static int sba_reserve_agpgart = 1;
-module_param(sba_reserve_agpgart, int, 1);
+module_param(sba_reserve_agpgart, int, 0444);
MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART");
#endif
@@ -846,7 +846,7 @@ static void *sba_alloc_consistent(struct device *hwdev, size_t size,
if (!hwdev) {
/* only support PCI */
*dma_handle = 0;
- return 0;
+ return NULL;
}
ret = (void *) __get_free_pages(gfp, get_order(size));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 12:42:57 +0000