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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-12 14:27:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-12 14:27:24 -0800
commit09cea96caa59fabab3030c53bd698b9b568d959a (patch)
treea991cdc0c887fdcda37f4b751ee98d3db9559f4e /drivers/macintosh
parent6eb7365db6f3a4a9d8d9922bb0b800f9cbaad641 (diff)
parente090aa80321b64c3b793f3b047e31ecf1af9538d (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits) powerpc: Fix usage of 64-bit instruction in 32-bit altivec code MAINTAINERS: Add PowerPC patterns powerpc/pseries: Track previous CPPR values to correctly EOI interrupts powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP powerpc: Make "intspec" pointers in irq_host->xlate() const powerpc/8xx: DTLB Miss cleanup powerpc/8xx: Remove DIRTY pte handling in DTLB Error. powerpc/8xx: Start using dcbX instructions in various copy routines powerpc/8xx: Restore _PAGE_WRITETHRU powerpc/8xx: Add missing Guarded setting in DTLB Error. powerpc/8xx: Fixup DAR from buggy dcbX instructions. powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions. powerpc/8xx: Update TLB asm so it behaves as linux mm expects. powerpc/8xx: Invalidate non present TLBs powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate pseries/pseries: Add code to online/offline CPUs of a DLPAR node powerpc: stop_this_cpu: remove the cpu from the online map. powerpc/pseries: Add kernel based CPU DLPAR handling sysfs/cpu: Add probe/release files powerpc/pseries: Kernel DLPAR Infrastructure ...
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/macio_asic.c52
-rw-r--r--drivers/macintosh/mediabay.c328
-rw-r--r--drivers/macintosh/nvram.c11
-rw-r--r--drivers/macintosh/therm_adt746x.c15
-rw-r--r--drivers/macintosh/via-pmu.c160
-rw-r--r--drivers/macintosh/windfarm_smu_controls.c2
6 files changed, 282 insertions, 286 deletions
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 588a5b0bc4b..26a303a1d1a 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -379,6 +379,11 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
dev->ofdev.dev.parent = parent;
dev->ofdev.dev.bus = &macio_bus_type;
dev->ofdev.dev.release = macio_release_dev;
+ dev->ofdev.dev.dma_parms = &dev->dma_parms;
+
+ /* Standard DMA paremeters */
+ dma_set_max_seg_size(&dev->ofdev.dev, 65536);
+ dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff);
#ifdef CONFIG_PCI
/* Set the DMA ops to the ones from the PCI device, this could be
@@ -538,6 +543,42 @@ void macio_unregister_driver(struct macio_driver *drv)
driver_unregister(&drv->driver);
}
+/* Managed MacIO resources */
+struct macio_devres {
+ u32 res_mask;
+};
+
+static void maciom_release(struct device *gendev, void *res)
+{
+ struct macio_dev *dev = to_macio_device(gendev);
+ struct macio_devres *dr = res;
+ int i, max;
+
+ max = min(dev->n_resources, 32);
+ for (i = 0; i < max; i++) {
+ if (dr->res_mask & (1 << i))
+ macio_release_resource(dev, i);
+ }
+}
+
+int macio_enable_devres(struct macio_dev *dev)
+{
+ struct macio_devres *dr;
+
+ dr = devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL);
+ if (!dr) {
+ dr = devres_alloc(maciom_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return -ENOMEM;
+ }
+ return devres_get(&dev->ofdev.dev, dr, NULL, NULL) != NULL;
+}
+
+static struct macio_devres * find_macio_dr(struct macio_dev *dev)
+{
+ return devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL);
+}
+
/**
* macio_request_resource - Request an MMIO resource
* @dev: pointer to the device holding the resource
@@ -555,6 +596,8 @@ void macio_unregister_driver(struct macio_driver *drv)
int macio_request_resource(struct macio_dev *dev, int resource_no,
const char *name)
{
+ struct macio_devres *dr = find_macio_dr(dev);
+
if (macio_resource_len(dev, resource_no) == 0)
return 0;
@@ -562,6 +605,9 @@ int macio_request_resource(struct macio_dev *dev, int resource_no,
macio_resource_len(dev, resource_no),
name))
goto err_out;
+
+ if (dr && resource_no < 32)
+ dr->res_mask |= 1 << resource_no;
return 0;
@@ -582,10 +628,14 @@ err_out:
*/
void macio_release_resource(struct macio_dev *dev, int resource_no)
{
+ struct macio_devres *dr = find_macio_dr(dev);
+
if (macio_resource_len(dev, resource_no) == 0)
return;
release_mem_region(macio_resource_start(dev, resource_no),
macio_resource_len(dev, resource_no));
+ if (dr && resource_no < 32)
+ dr->res_mask &= ~(1 << resource_no);
}
/**
@@ -744,3 +794,5 @@ EXPORT_SYMBOL(macio_request_resource);
EXPORT_SYMBOL(macio_release_resource);
EXPORT_SYMBOL(macio_request_resources);
EXPORT_SYMBOL(macio_release_resources);
+EXPORT_SYMBOL(macio_enable_devres);
+
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index 029ad8ce8a7..08002b88f34 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -33,15 +33,6 @@
#include <linux/adb.h>
#include <linux/pmu.h>
-
-#define MB_DEBUG
-
-#ifdef MB_DEBUG
-#define MBDBG(fmt, arg...) printk(KERN_INFO fmt , ## arg)
-#else
-#define MBDBG(fmt, arg...) do { } while (0)
-#endif
-
#define MB_FCR32(bay, r) ((bay)->base + ((r) >> 2))
#define MB_FCR8(bay, r) (((volatile u8 __iomem *)((bay)->base)) + (r))
@@ -76,28 +67,14 @@ struct media_bay_info {
int index;
int cached_gpio;
int sleeping;
+ int user_lock;
struct mutex lock;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- ide_hwif_t *cd_port;
- void __iomem *cd_base;
- int cd_irq;
- int cd_retry;
-#endif
-#if defined(CONFIG_BLK_DEV_IDE_PMAC)
- int cd_index;
-#endif
};
#define MAX_BAYS 2
static struct media_bay_info media_bays[MAX_BAYS];
-int media_bay_count = 0;
-
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-/* check the busy bit in the media-bay ide interface
- (assumes the media-bay contains an ide device) */
-#define MB_IDE_READY(i) ((readb(media_bays[i].cd_base + 0x70) & 0x80) == 0)
-#endif
+static int media_bay_count = 0;
/*
* Wait that number of ms between each step in normal polling mode
@@ -130,21 +107,11 @@ int media_bay_count = 0;
/*
* Wait this many ticks after an IDE device (e.g. CD-ROM) is inserted
- * (or until the device is ready) before waiting for busy bit to disappear
+ * (or until the device is ready) before calling into the driver
*/
#define MB_IDE_WAIT 1000
/*
- * Timeout waiting for busy bit of an IDE device to go down
- */
-#define MB_IDE_TIMEOUT 5000
-
-/*
- * Max retries of the full power up/down sequence for an IDE device
- */
-#define MAX_CD_RETRIES 3
-
-/*
* States of a media bay
*/
enum {
@@ -153,7 +120,6 @@ enum {
mb_enabling_bay, /* enable bits set, waiting MB_RESET_DELAY */
mb_resetting, /* reset bit unset, waiting MB_SETUP_DELAY */
mb_ide_resetting, /* IDE reset bit unser, waiting MB_IDE_WAIT */
- mb_ide_waiting, /* Waiting for BUSY bit to go away until MB_IDE_TIMEOUT */
mb_up, /* Media bay full */
mb_powering_down /* Powering down (avoid too fast down/up) */
};
@@ -373,12 +339,12 @@ static inline void set_mb_power(struct media_bay_info* bay, int onoff)
if (onoff) {
bay->ops->power(bay, 1);
bay->state = mb_powering_up;
- MBDBG("mediabay%d: powering up\n", bay->index);
+ pr_debug("mediabay%d: powering up\n", bay->index);
} else {
/* Make sure everything is powered down & disabled */
bay->ops->power(bay, 0);
bay->state = mb_powering_down;
- MBDBG("mediabay%d: powering down\n", bay->index);
+ pr_debug("mediabay%d: powering down\n", bay->index);
}
bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
}
@@ -387,107 +353,118 @@ static void poll_media_bay(struct media_bay_info* bay)
{
int id = bay->ops->content(bay);
- if (id == bay->last_value) {
- if (id != bay->content_id) {
- bay->value_count += msecs_to_jiffies(MB_POLL_DELAY);
- if (bay->value_count >= msecs_to_jiffies(MB_STABLE_DELAY)) {
- /* If the device type changes without going thru
- * "MB_NO", we force a pass by "MB_NO" to make sure
- * things are properly reset
- */
- if ((id != MB_NO) && (bay->content_id != MB_NO)) {
- id = MB_NO;
- MBDBG("mediabay%d: forcing MB_NO\n", bay->index);
- }
- MBDBG("mediabay%d: switching to %d\n", bay->index, id);
- set_mb_power(bay, id != MB_NO);
- bay->content_id = id;
- if (id == MB_NO) {
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- bay->cd_retry = 0;
-#endif
- printk(KERN_INFO "media bay %d is empty\n", bay->index);
- }
- }
- }
- } else {
+ static char *mb_content_types[] = {
+ "a floppy drive",
+ "a floppy drive",
+ "an unsuported audio device",
+ "an ATA device",
+ "an unsupported PCI device",
+ "an unknown device",
+ };
+
+ if (id != bay->last_value) {
bay->last_value = id;
bay->value_count = 0;
+ return;
+ }
+ if (id == bay->content_id)
+ return;
+
+ bay->value_count += msecs_to_jiffies(MB_POLL_DELAY);
+ if (bay->value_count >= msecs_to_jiffies(MB_STABLE_DELAY)) {
+ /* If the device type changes without going thru
+ * "MB_NO", we force a pass by "MB_NO" to make sure
+ * things are properly reset
+ */
+ if ((id != MB_NO) && (bay->content_id != MB_NO)) {
+ id = MB_NO;
+ pr_debug("mediabay%d: forcing MB_NO\n", bay->index);
+ }
+ pr_debug("mediabay%d: switching to %d\n", bay->index, id);
+ set_mb_power(bay, id != MB_NO);
+ bay->content_id = id;
+ if (id >= MB_NO || id < 0)
+ printk(KERN_INFO "mediabay%d: Bay is now empty\n", bay->index);
+ else
+ printk(KERN_INFO "mediabay%d: Bay contains %s\n",
+ bay->index, mb_content_types[id]);
}
}
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-int check_media_bay(struct device_node *which_bay, int what)
+int check_media_bay(struct macio_dev *baydev)
{
- int i;
+ struct media_bay_info* bay;
+ int id;
- for (i=0; i<media_bay_count; i++)
- if (media_bays[i].mdev && which_bay == media_bays[i].mdev->ofdev.node) {
- if ((what == media_bays[i].content_id) && media_bays[i].state == mb_up)
- return 0;
- media_bays[i].cd_index = -1;
- return -EINVAL;
- }
- return -ENODEV;
+ if (baydev == NULL)
+ return MB_NO;
+
+ /* This returns an instant snapshot, not locking, sine
+ * we may be called with the bay lock held. The resulting
+ * fuzzyness of the result if called at the wrong time is
+ * not actually a huge deal
+ */
+ bay = macio_get_drvdata(baydev);
+ if (bay == NULL)
+ return MB_NO;
+ id = bay->content_id;
+ if (bay->state != mb_up)
+ return MB_NO;
+ if (id == MB_FD1)
+ return MB_FD;
+ return id;
}
-EXPORT_SYMBOL(check_media_bay);
+EXPORT_SYMBOL_GPL(check_media_bay);
-int check_media_bay_by_base(unsigned long base, int what)
+void lock_media_bay(struct macio_dev *baydev)
{
- int i;
-
- for (i=0; i<media_bay_count; i++)
- if (media_bays[i].mdev && base == (unsigned long) media_bays[i].cd_base) {
- if ((what == media_bays[i].content_id) && media_bays[i].state == mb_up)
- return 0;
- media_bays[i].cd_index = -1;
- return -EINVAL;
- }
+ struct media_bay_info* bay;
- return -ENODEV;
+ if (baydev == NULL)
+ return;
+ bay = macio_get_drvdata(baydev);
+ if (bay == NULL)
+ return;
+ mutex_lock(&bay->lock);
+ bay->user_lock = 1;
}
-EXPORT_SYMBOL_GPL(check_media_bay_by_base);
+EXPORT_SYMBOL_GPL(lock_media_bay);
-int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
- int irq, ide_hwif_t *hwif)
+void unlock_media_bay(struct macio_dev *baydev)
{
- int i;
+ struct media_bay_info* bay;
- for (i=0; i<media_bay_count; i++) {
- struct media_bay_info* bay = &media_bays[i];
-
- if (bay->mdev && which_bay == bay->mdev->ofdev.node) {
- int timeout = 5000, index = hwif->index;
-
- mutex_lock(&bay->lock);
-
- bay->cd_port = hwif;
- bay->cd_base = (void __iomem *) base;
- bay->cd_irq = irq;
-
- if ((MB_CD != bay->content_id) || bay->state != mb_up) {
- mutex_unlock(&bay->lock);
- return 0;
- }
- printk(KERN_DEBUG "Registered ide%d for media bay %d\n", index, i);
- do {
- if (MB_IDE_READY(i)) {
- bay->cd_index = index;
- mutex_unlock(&bay->lock);
- return 0;
- }
- mdelay(1);
- } while(--timeout);
- printk(KERN_DEBUG "Timeount waiting IDE in bay %d\n", i);
- mutex_unlock(&bay->lock);
- return -ENODEV;
- }
+ if (baydev == NULL)
+ return;
+ bay = macio_get_drvdata(baydev);
+ if (bay == NULL)
+ return;
+ if (bay->user_lock) {
+ bay->user_lock = 0;
+ mutex_unlock(&bay->lock);
}
+}
+EXPORT_SYMBOL_GPL(unlock_media_bay);
- return -ENODEV;
+static int mb_broadcast_hotplug(struct device *dev, void *data)
+{
+ struct media_bay_info* bay = data;
+ struct macio_dev *mdev;
+ struct macio_driver *drv;
+ int state;
+
+ if (dev->bus != &macio_bus_type)
+ return 0;
+
+ state = bay->state == mb_up ? bay->content_id : MB_NO;
+ if (state == MB_FD1)
+ state = MB_FD;
+ mdev = to_macio_device(dev);
+ drv = to_macio_driver(dev->driver);
+ if (dev->driver && drv->mediabay_event)
+ drv->mediabay_event(mdev, state);
+ return 0;
}
-EXPORT_SYMBOL_GPL(media_bay_set_ide_infos);
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
static void media_bay_step(int i)
{
@@ -497,8 +474,8 @@ static void media_bay_step(int i)
if (bay->state != mb_powering_down)
poll_media_bay(bay);
- /* If timer expired or polling IDE busy, run state machine */
- if ((bay->state != mb_ide_waiting) && (bay->timer != 0)) {
+ /* If timer expired run state machine */
+ if (bay->timer != 0) {
bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
if (bay->timer > 0)
return;
@@ -508,100 +485,50 @@ static void media_bay_step(int i)
switch(bay->state) {
case mb_powering_up:
if (bay->ops->setup_bus(bay, bay->last_value) < 0) {
- MBDBG("mediabay%d: device not supported (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: device not supported (kind:%d)\n",
+ i, bay->content_id);
set_mb_power(bay, 0);
break;
}
bay->timer = msecs_to_jiffies(MB_RESET_DELAY);
bay->state = mb_enabling_bay;
- MBDBG("mediabay%d: enabling (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: enabling (kind:%d)\n", i, bay->content_id);
break;
case mb_enabling_bay:
bay->ops->un_reset(bay);
bay->timer = msecs_to_jiffies(MB_SETUP_DELAY);
bay->state = mb_resetting;
- MBDBG("mediabay%d: waiting reset (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: releasing bay reset (kind:%d)\n",
+ i, bay->content_id);
break;
case mb_resetting:
if (bay->content_id != MB_CD) {
- MBDBG("mediabay%d: bay is up (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: bay is up (kind:%d)\n", i,
+ bay->content_id);
bay->state = mb_up;
+ device_for_each_child(&bay->mdev->ofdev.dev,
+ bay, mb_broadcast_hotplug);
break;
}
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- MBDBG("mediabay%d: waiting IDE reset (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: releasing ATA reset (kind:%d)\n",
+ i, bay->content_id);
bay->ops->un_reset_ide(bay);
bay->timer = msecs_to_jiffies(MB_IDE_WAIT);
bay->state = mb_ide_resetting;
-#else
- printk(KERN_DEBUG "media-bay %d is ide (not compiled in kernel)\n", i);
- set_mb_power(bay, 0);
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
break;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
+
case mb_ide_resetting:
- bay->timer = msecs_to_jiffies(MB_IDE_TIMEOUT);
- bay->state = mb_ide_waiting;
- MBDBG("mediabay%d: waiting IDE ready (kind:%d)\n", i, bay->content_id);
+ pr_debug("mediabay%d: bay is up (kind:%d)\n", i, bay->content_id);
+ bay->state = mb_up;
+ device_for_each_child(&bay->mdev->ofdev.dev,
+ bay, mb_broadcast_hotplug);
break;
- case mb_ide_waiting:
- if (bay->cd_base == NULL) {
- bay->timer = 0;
- bay->state = mb_up;
- MBDBG("mediabay%d: up before IDE init\n", i);
- break;
- } else if (MB_IDE_READY(i)) {
- bay->timer = 0;
- bay->state = mb_up;
- if (bay->cd_index < 0) {
- printk("mediabay %d, registering IDE...\n", i);
- pmu_suspend();
- ide_port_scan(bay->cd_port);
- if (bay->cd_port->present)
- bay->cd_index = bay->cd_port->index;
- pmu_resume();
- }
- if (bay->cd_index == -1) {
- /* We eventually do a retry */
- bay->cd_retry++;
- printk("IDE register error\n");
- set_mb_power(bay, 0);
- } else {
- printk(KERN_DEBUG "media-bay %d is ide%d\n", i, bay->cd_index);
- MBDBG("mediabay %d IDE ready\n", i);
- }
- break;
- } else if (bay->timer > 0)
- bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
- if (bay->timer <= 0) {
- printk("\nIDE Timeout in bay %d !, IDE state is: 0x%02x\n",
- i, readb(bay->cd_base + 0x70));
- MBDBG("mediabay%d: nIDE Timeout !\n", i);
- set_mb_power(bay, 0);
- bay->timer = 0;
- }
- break;
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
+
case mb_powering_down:
bay->state = mb_empty;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- if (bay->cd_index >= 0) {
- printk(KERN_DEBUG "Unregistering mb %d ide, index:%d\n", i,
- bay->cd_index);
- ide_port_unregister_devices(bay->cd_port);
- bay->cd_index = -1;
- }
- if (bay->cd_retry) {
- if (bay->cd_retry > MAX_CD_RETRIES) {
- /* Should add an error sound (sort of beep in dmasound) */
- printk("\nmedia-bay %d, IDE device badly inserted or unrecognised\n", i);
- } else {
- /* Force a new power down/up sequence */
- bay->content_id = MB_NO;
- }
- }
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
- MBDBG("mediabay%d: end of power down\n", i);
+ device_for_each_child(&bay->mdev->ofdev.dev,
+ bay, mb_broadcast_hotplug);
+ pr_debug("mediabay%d: end of power down\n", i);
break;
}
}
@@ -676,11 +603,6 @@ static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_de
bay->last_value = bay->ops->content(bay);
bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
bay->state = mb_empty;
- do {
- msleep(MB_POLL_DELAY);
- media_bay_step(i);
- } while((bay->state != mb_empty) &&
- (bay->state != mb_up));
/* Mark us ready by filling our mdev data */
macio_set_drvdata(mdev, bay);
@@ -725,7 +647,7 @@ static int media_bay_resume(struct macio_dev *mdev)
set_mb_power(bay, 0);
msleep(MB_POWER_DELAY);
if (bay->ops->content(bay) != bay->content_id) {
- printk("mediabay%d: content changed during sleep...\n", bay->index);
+ printk("mediabay%d: Content changed during sleep...\n", bay->index);
mutex_unlock(&bay->lock);
return 0;
}
@@ -733,9 +655,6 @@ static int media_bay_resume(struct macio_dev *mdev)
bay->last_value = bay->content_id;
bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- bay->cd_retry = 0;
-#endif
do {
msleep(MB_POLL_DELAY);
media_bay_step(bay->index);
@@ -823,9 +742,6 @@ static int __init media_bay_init(void)
for (i=0; i<MAX_BAYS; i++) {
memset((char *)&media_bays[i], 0, sizeof(struct media_bay_info));
media_bays[i].content_id = -1;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
- media_bays[i].cd_index = -1;
-#endif
}
if (!machine_is(powermac))
return 0;
diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c
index b195d753d2e..c876349c32d 100644
--- a/drivers/macintosh/nvram.c
+++ b/drivers/macintosh/nvram.c
@@ -13,7 +13,6 @@
#include <linux/fcntl.h>
#include <linux/nvram.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/nvram.h>
@@ -21,7 +20,6 @@
static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
{
- lock_kernel();
switch (origin) {
case 1:
offset += file->f_pos;
@@ -30,12 +28,10 @@ static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
offset += NVRAM_SIZE;
break;
}
- if (offset < 0) {
- unlock_kernel();
+ if (offset < 0)
return -EINVAL;
- }
+
file->f_pos = offset;
- unlock_kernel();
return file->f_pos;
}
@@ -76,8 +72,7 @@ static ssize_t write_nvram(struct file *file, const char __user *buf,
return p - buf;
}
-static int nvram_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
switch(cmd) {
case PMAC_NVRAM_GET_OFFSET:
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 556f0feaa4d..5ff47ba7f2d 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -79,6 +79,7 @@ struct thermostat {
u8 limits[3];
int last_speed[2];
int last_var[2];
+ int pwm_inv[2];
};
static enum {ADT7460, ADT7467} therm_type;
@@ -229,19 +230,23 @@ static void write_fan_speed(struct thermostat *th, int speed, int fan)
if (speed >= 0) {
manual = read_reg(th, MANUAL_MODE[fan]);
+ manual &= ~INVERT_MASK;
write_reg(th, MANUAL_MODE[fan],
- (manual|MANUAL_MASK) & (~INVERT_MASK));
+ manual | MANUAL_MASK | th->pwm_inv[fan]);
write_reg(th, FAN_SPD_SET[fan], speed);
} else {
/* back to automatic */
if(therm_type == ADT7460) {
manual = read_reg(th,
MANUAL_MODE[fan]) & (~MANUAL_MASK);
-
+ manual &= ~INVERT_MASK;
+ manual |= th->pwm_inv[fan];
write_reg(th,
MANUAL_MODE[fan], manual|REM_CONTROL[fan]);
} else {
manual = read_reg(th, MANUAL_MODE[fan]);
+ manual &= ~INVERT_MASK;
+ manual |= th->pwm_inv[fan];
write_reg(th, MANUAL_MODE[fan], manual&(~AUTO_MASK));
}
}
@@ -387,7 +392,7 @@ static int probe_thermostat(struct i2c_client *client,
i2c_set_clientdata(client, th);
th->clt = client;
- rc = read_reg(th, 0);
+ rc = read_reg(th, CONFIG_REG);
if (rc < 0) {
dev_err(&client->dev, "Thermostat failed to read config!\n");
kfree(th);
@@ -418,6 +423,10 @@ static int probe_thermostat(struct i2c_client *client,
thermostat = th;
+ /* record invert bit status because fw can corrupt it after suspend */
+ th->pwm_inv[0] = read_reg(th, MANUAL_MODE[0]) & INVERT_MASK;
+ th->pwm_inv[1] = read_reg(th, MANUAL_MODE[1]) & INVERT_MASK;
+
/* be sure to really write fan speed the first time */
th->last_speed[0] = -2;
th->last_speed[1] = -2;
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 6f308a4757e..db379c38143 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -36,6 +36,7 @@
#include <linux/spinlock.h>
#include <linux/pm.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/device.h>
@@ -186,17 +187,11 @@ static int init_pmu(void);
static void pmu_start(void);
static irqreturn_t via_pmu_interrupt(int irq, void *arg);
static irqreturn_t gpio1_interrupt(int irq, void *arg);
-static int proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data);
+static const struct file_operations pmu_info_proc_fops;
+static const struct file_operations pmu_irqstats_proc_fops;
static void pmu_pass_intr(unsigned char *data, int len);
-static int proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
+static const struct file_operations pmu_battery_proc_fops;
+static const struct file_operations pmu_options_proc_fops;
#ifdef CONFIG_ADB
struct adb_driver via_pmu_driver = {
@@ -507,19 +502,15 @@ static int __init via_pmu_dev_init(void)
for (i=0; i<pmu_battery_count; i++) {
char title[16];
sprintf(title, "battery_%ld", i);
- proc_pmu_batt[i] = create_proc_read_entry(title, 0, proc_pmu_root,
- proc_get_batt, (void *)i);
+ proc_pmu_batt[i] = proc_create_data(title, 0, proc_pmu_root,
+ &pmu_battery_proc_fops, (void *)i);
}
- proc_pmu_info = create_proc_read_entry("info", 0, proc_pmu_root,
- proc_get_info, NULL);
- proc_pmu_irqstats = create_proc_read_entry("interrupts", 0, proc_pmu_root,
- proc_get_irqstats, NULL);
- proc_pmu_options = create_proc_entry("options", 0600, proc_pmu_root);
- if (proc_pmu_options) {
- proc_pmu_options->read_proc = proc_read_options;
- proc_pmu_options->write_proc = proc_write_options;
- }
+ proc_pmu_info = proc_create("info", 0, proc_pmu_root, &pmu_info_proc_fops);
+ proc_pmu_irqstats = proc_create("interrupts", 0, proc_pmu_root,
+ &pmu_irqstats_proc_fops);
+ proc_pmu_options = proc_create("options", 0600, proc_pmu_root,
+ &pmu_options_proc_fops);
}
return 0;
}
@@ -799,27 +790,33 @@ query_battery_state(void)
2, PMU_SMART_BATTERY_STATE, pmu_cur_battery+1);
}
-static int
-proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_info_proc_show(struct seq_file *m, void *v)
{
- char* p = page;
-
- p += sprintf(p, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
- p += sprintf(p, "PMU firmware version : %02x\n", pmu_version);
- p += sprintf(p, "AC Power : %d\n",
+ seq_printf(m, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
+ seq_printf(m, "PMU firmware version : %02x\n", pmu_version);
+ seq_printf(m, "AC Power : %d\n",
((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0) || pmu_battery_count == 0);
- p += sprintf(p, "Battery count : %d\n", pmu_battery_count);
+ seq_printf(m, "Battery count : %d\n", pmu_battery_count);
+
+ return 0;
+}
- return p - page;
+static int pmu_info_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_info_proc_show, NULL);
}
-static int
-proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static const struct file_operations pmu_info_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_info_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_irqstats_proc_show(struct seq_file *m, void *v)
{
int i;
- char* p = page;
static const char *irq_names[] = {
"Total CB1 triggered events",
"Total GPIO1 triggered events",
@@ -835,60 +832,76 @@ proc_get_irqstats(char *page, char **start, off_t off,
};
for (i=0; i<11; i++) {
- p += sprintf(p, " %2u: %10u (%s)\n",
+ seq_printf(m, " %2u: %10u (%s)\n",
i, pmu_irq_stats[i], irq_names[i]);
}
- return p - page;
+ return 0;
}
-static int
-proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_irqstats_proc_open(struct inode *inode, struct file *file)
{
- long batnum = (long)data;
- char *p = page;
+ return single_open(file, pmu_irqstats_proc_show, NULL);
+}
+
+static const struct file_operations pmu_irqstats_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_irqstats_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_battery_proc_show(struct seq_file *m, void *v)
+{
+ long batnum = (long)m->private;
- p += sprintf(p, "\n");
- p += sprintf(p, "flags : %08x\n",
- pmu_batteries[batnum].flags);
- p += sprintf(p, "charge : %d\n",
- pmu_batteries[batnum].charge);
- p += sprintf(p, "max_charge : %d\n",
- pmu_batteries[batnum].max_charge);
- p += sprintf(p, "current : %d\n",
- pmu_batteries[batnum].amperage);
- p += sprintf(p, "voltage : %d\n",
- pmu_batteries[batnum].voltage);
- p += sprintf(p, "time rem. : %d\n",
- pmu_batteries[batnum].time_remaining);
-
- return p - page;
+ seq_putc(m, '\n');
+ seq_printf(m, "flags : %08x\n", pmu_batteries[batnum].flags);
+ seq_printf(m, "charge : %d\n", pmu_batteries[batnum].charge);
+ seq_printf(m, "max_charge : %d\n", pmu_batteries[batnum].max_charge);
+ seq_printf(m, "current : %d\n", pmu_batteries[batnum].amperage);
+ seq_printf(m, "voltage : %d\n", pmu_batteries[batnum].voltage);
+ seq_printf(m, "time rem. : %d\n", pmu_batteries[batnum].time_remaining);
+ return 0;
}
-static int
-proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_battery_proc_open(struct inode *inode, struct file *file)
{
- char *p = page;
+ return single_open(file, pmu_battery_proc_show, PDE(inode)->data);
+}
+static const struct file_operations pmu_battery_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_battery_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_options_proc_show(struct seq_file *m, void *v)
+{
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
if (pmu_kind == PMU_KEYLARGO_BASED &&
pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
- p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup);
+ seq_printf(m, "lid_wakeup=%d\n", option_lid_wakeup);
#endif
if (pmu_kind == PMU_KEYLARGO_BASED)
- p += sprintf(p, "server_mode=%d\n", option_server_mode);
+ seq_printf(m, "server_mode=%d\n", option_server_mode);
- return p - page;
+ return 0;
}
-
-static int
-proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+
+static int pmu_options_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_options_proc_show, NULL);
+}
+
+static ssize_t pmu_options_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
{
char tmp[33];
char *label, *val;
- unsigned long fcount = count;
+ size_t fcount = count;
if (!count)
return -EINVAL;
@@ -927,6 +940,15 @@ proc_write_options(struct file *file, const char __user *buffer,
return fcount;
}
+static const struct file_operations pmu_options_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_options_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pmu_options_proc_write,
+};
+
#ifdef CONFIG_ADB
/* Send an ADB command */
static int pmu_send_request(struct adb_request *req, int sync)
diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c
index 961fa0e7c2c..6c68b9e5f5c 100644
--- a/drivers/macintosh/windfarm_smu_controls.c
+++ b/drivers/macintosh/windfarm_smu_controls.c
@@ -202,6 +202,8 @@ static struct smu_fan_control *smu_fan_create(struct device_node *node,
fct->ctrl.name = "cpu-front-fan-1";
else if (!strcmp(l, "CPU A PUMP"))
fct->ctrl.name = "cpu-pump-0";
+ else if (!strcmp(l, "CPU B PUMP"))
+ fct->ctrl.name = "cpu-pump-1";
else if (!strcmp(l, "Slots Fan") || !strcmp(l, "Slots fan") ||
!strcmp(l, "EXPANSION SLOTS INTAKE"))
fct->ctrl.name = "slots-fan";