Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: remove CONFIG_ACPI_SYSTEM
fujitsu-laptop: Use RFKILL support bitmask from firmware
x86_64: Fix S3 fail path
x86_64: acpi/wakeup_64 cleanup
battery: don't assume we are fully charged when not charging or discharging
ACPI: EC: Add delay for slow MSI controller
diff --git a/Documentation/driver-model/device.txt b/Documentation/driver-model/device.txt
index a05ec50..a7cbfff 100644
--- a/Documentation/driver-model/device.txt
+++ b/Documentation/driver-model/device.txt
@@ -127,9 +127,11 @@
Attributes
~~~~~~~~~~
struct device_attribute {
- struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf, size_t count, loff_t off);
- ssize_t (*store)(struct device * dev, const char * buf, size_t count, loff_t off);
+ struct attribute attr;
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
Attributes of devices can be exported via drivers using a simple
diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt
index 9e9c348..7e81e37 100644
--- a/Documentation/filesystems/sysfs.txt
+++ b/Documentation/filesystems/sysfs.txt
@@ -2,8 +2,10 @@
sysfs - _The_ filesystem for exporting kernel objects.
Patrick Mochel <mochel@osdl.org>
+Mike Murphy <mamurph@cs.clemson.edu>
-10 January 2003
+Revised: 22 February 2009
+Original: 10 January 2003
What it is:
@@ -64,12 +66,13 @@
struct attribute {
char * name;
+ struct module *owner;
mode_t mode;
};
-int sysfs_create_file(struct kobject * kobj, struct attribute * attr);
-void sysfs_remove_file(struct kobject * kobj, struct attribute * attr);
+int sysfs_create_file(struct kobject * kobj, const struct attribute * attr);
+void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr);
A bare attribute contains no means to read or write the value of the
@@ -80,9 +83,11 @@
For example, the driver model defines struct device_attribute like:
struct device_attribute {
- struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf);
+ struct attribute attr;
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
int device_create_file(struct device *, struct device_attribute *);
@@ -90,12 +95,8 @@
It also defines this helper for defining device attributes:
-#define DEVICE_ATTR(_name, _mode, _show, _store) \
-struct device_attribute dev_attr_##_name = { \
- .attr = {.name = __stringify(_name) , .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-};
+#define DEVICE_ATTR(_name, _mode, _show, _store) \
+struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
For example, declaring
@@ -107,9 +108,9 @@
.attr = {
.name = "foo",
.mode = S_IWUSR | S_IRUGO,
+ .show = show_foo,
+ .store = store_foo,
},
- .show = show_foo,
- .store = store_foo,
};
@@ -161,10 +162,12 @@
specified when declaring the attribute. The method types should be as
simple as those defined for device attributes:
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf);
+ssize_t (*show)(struct device * dev, struct device_attribute * attr,
+ char * buf);
+ssize_t (*store)(struct device * dev, struct device_attribute * attr,
+ const char * buf);
-IOW, they should take only an object and a buffer as parameters.
+IOW, they should take only an object, an attribute, and a buffer as parameters.
sysfs allocates a buffer of size (PAGE_SIZE) and passes it to the
@@ -299,14 +302,16 @@
Structure:
struct device_attribute {
- struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf);
+ struct attribute attr;
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
Declaring:
-DEVICE_ATTR(_name, _str, _mode, _show, _store);
+DEVICE_ATTR(_name, _mode, _show, _store);
Creation/Removal:
@@ -342,7 +347,8 @@
struct driver_attribute {
struct attribute attr;
ssize_t (*show)(struct device_driver *, char * buf);
- ssize_t (*store)(struct device_driver *, const char * buf);
+ ssize_t (*store)(struct device_driver *, const char * buf,
+ size_t count);
};
Declaring:
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index dba4afa..39478dd 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -187,8 +187,8 @@
" jbra ret_from_interrupt\n" \
: : "i" (&kstat_cpu(0).irqs[n+8]), "i" (&irq_handler[n+8]), \
"n" (PT_OFF_SR), "n" (n), \
- "i" (n & 8 ? (n & 16 ? &tt_mfp.int_mk_a : &mfp.int_mk_a) \
- : (n & 16 ? &tt_mfp.int_mk_b : &mfp.int_mk_b)), \
+ "i" (n & 8 ? (n & 16 ? &tt_mfp.int_mk_a : &st_mfp.int_mk_a) \
+ : (n & 16 ? &tt_mfp.int_mk_b : &st_mfp.int_mk_b)), \
"m" (preempt_count()), "di" (HARDIRQ_OFFSET) \
); \
for (;;); /* fake noreturn */ \
@@ -366,14 +366,14 @@
/* Initialize the MFP(s) */
#ifdef ATARI_USE_SOFTWARE_EOI
- mfp.vec_adr = 0x48; /* Software EOI-Mode */
+ st_mfp.vec_adr = 0x48; /* Software EOI-Mode */
#else
- mfp.vec_adr = 0x40; /* Automatic EOI-Mode */
+ st_mfp.vec_adr = 0x40; /* Automatic EOI-Mode */
#endif
- mfp.int_en_a = 0x00; /* turn off MFP-Ints */
- mfp.int_en_b = 0x00;
- mfp.int_mk_a = 0xff; /* no Masking */
- mfp.int_mk_b = 0xff;
+ st_mfp.int_en_a = 0x00; /* turn off MFP-Ints */
+ st_mfp.int_en_b = 0x00;
+ st_mfp.int_mk_a = 0xff; /* no Masking */
+ st_mfp.int_mk_b = 0xff;
if (ATARIHW_PRESENT(TT_MFP)) {
#ifdef ATARI_USE_SOFTWARE_EOI
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
index a5f33c0..4add96d 100644
--- a/arch/m68k/atari/atakeyb.c
+++ b/arch/m68k/atari/atakeyb.c
@@ -609,10 +609,10 @@
ACIA_RHTID : 0);
/* make sure the interrupt line is up */
- } while ((mfp.par_dt_reg & 0x10) == 0);
+ } while ((st_mfp.par_dt_reg & 0x10) == 0);
/* enable ACIA Interrupts */
- mfp.active_edge &= ~0x10;
+ st_mfp.active_edge &= ~0x10;
atari_turnon_irq(IRQ_MFP_ACIA);
ikbd_self_test = 1;
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index 49c28cd..ae2d96e 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -258,7 +258,7 @@
printk("STND_SHIFTER ");
}
}
- if (hwreg_present(&mfp.par_dt_reg)) {
+ if (hwreg_present(&st_mfp.par_dt_reg)) {
ATARIHW_SET(ST_MFP);
printk("ST_MFP ");
}
diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c
index 702b15c..28efdc3 100644
--- a/arch/m68k/atari/debug.c
+++ b/arch/m68k/atari/debug.c
@@ -34,9 +34,9 @@
static inline void ata_mfp_out(char c)
{
- while (!(mfp.trn_stat & 0x80)) /* wait for tx buf empty */
+ while (!(st_mfp.trn_stat & 0x80)) /* wait for tx buf empty */
barrier();
- mfp.usart_dta = c;
+ st_mfp.usart_dta = c;
}
static void atari_mfp_console_write(struct console *co, const char *str,
@@ -91,7 +91,7 @@
/* This a some-seconds timeout in case no printer is connected */
unsigned long i = loops_per_jiffy > 1 ? loops_per_jiffy : 10000000/HZ;
- while ((mfp.par_dt_reg & 1) && --i) /* wait for BUSY == L */
+ while ((st_mfp.par_dt_reg & 1) && --i) /* wait for BUSY == L */
;
if (!i)
return 0;
@@ -131,9 +131,9 @@
#if 0
int atari_mfp_console_wait_key(struct console *co)
{
- while (!(mfp.rcv_stat & 0x80)) /* wait for rx buf filled */
+ while (!(st_mfp.rcv_stat & 0x80)) /* wait for rx buf filled */
barrier();
- return mfp.usart_dta;
+ return st_mfp.usart_dta;
}
int atari_scc_console_wait_key(struct console *co)
@@ -175,12 +175,12 @@
baud = B9600; /* use default 9600bps for non-implemented rates */
baud -= B1200; /* baud_table[] starts at 1200bps */
- mfp.trn_stat &= ~0x01; /* disable TX */
- mfp.usart_ctr = parity | csize | 0x88; /* 1:16 clk mode, 1 stop bit */
- mfp.tim_ct_cd &= 0x70; /* stop timer D */
- mfp.tim_dt_d = baud_table[baud];
- mfp.tim_ct_cd |= 0x01; /* start timer D, 1:4 */
- mfp.trn_stat |= 0x01; /* enable TX */
+ st_mfp.trn_stat &= ~0x01; /* disable TX */
+ st_mfp.usart_ctr = parity | csize | 0x88; /* 1:16 clk mode, 1 stop bit */
+ st_mfp.tim_ct_cd &= 0x70; /* stop timer D */
+ st_mfp.tim_dt_d = baud_table[baud];
+ st_mfp.tim_ct_cd |= 0x01; /* start timer D, 1:4 */
+ st_mfp.trn_stat |= 0x01; /* enable TX */
}
#define SCC_WRITE(reg, val) \
diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c
index d076ff8..a0531f3 100644
--- a/arch/m68k/atari/time.c
+++ b/arch/m68k/atari/time.c
@@ -27,9 +27,9 @@
atari_sched_init(irq_handler_t timer_routine)
{
/* set Timer C data Register */
- mfp.tim_dt_c = INT_TICKS;
+ st_mfp.tim_dt_c = INT_TICKS;
/* start timer C, div = 1:100 */
- mfp.tim_ct_cd = (mfp.tim_ct_cd & 15) | 0x60;
+ st_mfp.tim_ct_cd = (st_mfp.tim_ct_cd & 15) | 0x60;
/* install interrupt service routine for MFP Timer C */
if (request_irq(IRQ_MFP_TIMC, timer_routine, IRQ_TYPE_SLOW,
"timer", timer_routine))
@@ -46,11 +46,11 @@
unsigned long ticks, offset = 0;
/* read MFP timer C current value */
- ticks = mfp.tim_dt_c;
+ ticks = st_mfp.tim_dt_c;
/* The probability of underflow is less than 2% */
if (ticks > INT_TICKS - INT_TICKS / 50)
/* Check for pending timer interrupt */
- if (mfp.int_pn_b & (1 << 5))
+ if (st_mfp.int_pn_b & (1 << 5))
offset = TICK_SIZE;
ticks = INT_TICKS - ticks;
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h
index 1412b4a..a714e1a 100644
--- a/arch/m68k/include/asm/atarihw.h
+++ b/arch/m68k/include/asm/atarihw.h
@@ -113,7 +113,7 @@
* of nops on various machines. Somebody claimed that the tstb takes 600 ns.
*/
#define MFPDELAY() \
- __asm__ __volatile__ ( "tstb %0" : : "m" (mfp.par_dt_reg) : "cc" );
+ __asm__ __volatile__ ( "tstb %0" : : "m" (st_mfp.par_dt_reg) : "cc" );
/* Do cache push/invalidate for DMA read/write. This function obeys the
* snooping on some machines (Medusa) and processors: The Medusa itself can
@@ -565,7 +565,7 @@
u_char char_dummy23;
u_char usart_dta;
};
-# define mfp ((*(volatile struct MFP*)MFP_BAS))
+# define st_mfp ((*(volatile struct MFP*)MFP_BAS))
/* TT's second MFP */
diff --git a/arch/m68k/include/asm/atariints.h b/arch/m68k/include/asm/atariints.h
index 5748e99..f597892 100644
--- a/arch/m68k/include/asm/atariints.h
+++ b/arch/m68k/include/asm/atariints.h
@@ -113,7 +113,7 @@
{ unsigned char mask, *reg;
mask = 1 << (irq & 7);
- reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
((irq & 8) >> 2) + (((irq-8) & 16) << 3);
return( *reg & mask );
}
@@ -123,7 +123,7 @@
{ unsigned char mask, *reg;
mask = 1 << (irq & 7);
- reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
((irq & 8) >> 2) + (((irq-8) & 16) << 3);
__asm__ __volatile__ ( "orb %0,%1"
: : "di" (mask), "m" (*reg) : "memory" );
@@ -134,7 +134,7 @@
{ unsigned char mask, *reg;
mask = ~(1 << (irq & 7));
- reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
((irq & 8) >> 2) + (((irq-8) & 16) << 3);
if (type == MFP_PENDING || type == MFP_SERVICE)
__asm__ __volatile__ ( "moveb %0,%1"
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 69e1df7..4234c11 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1730,7 +1730,7 @@
timeout = jiffies + 2*HZ+HZ/2;
while (time_before(jiffies, timeout))
- if (!(mfp.par_dt_reg & 0x20))
+ if (!(st_mfp.par_dt_reg & 0x20))
break;
status = FDC_READ( FDCREG_STATUS );
@@ -1747,7 +1747,7 @@
/* dummy seek command to make WP bit accessible */
FDC_WRITE( FDCREG_DATA, 0 );
FDC_WRITE( FDCREG_CMD, FDCCMD_SEEK );
- while( mfp.par_dt_reg & 0x20 )
+ while( st_mfp.par_dt_reg & 0x20 )
;
status = FDC_READ( FDCREG_STATUS );
}
diff --git a/drivers/char/scc.h b/drivers/char/scc.h
index 93998f5..341b114 100644
--- a/drivers/char/scc.h
+++ b/drivers/char/scc.h
@@ -387,7 +387,7 @@
/* The SCC needs 3.5 PCLK cycles recovery time between to register
* accesses. PCLK runs with 8 MHz on an Atari, so this delay is 3.5 *
* 125 ns = 437.5 ns. This is too short for udelay().
- * 10/16/95: A tstb mfp.par_dt_reg takes 600ns (sure?) and thus should be
+ * 10/16/95: A tstb st_mfp.par_dt_reg takes 600ns (sure?) and thus should be
* quite right
*/
diff --git a/drivers/parport/parport_atari.c b/drivers/parport/parport_atari.c
index ad4cdd2..0b28fcc 100644
--- a/drivers/parport/parport_atari.c
+++ b/drivers/parport/parport_atari.c
@@ -84,7 +84,7 @@
static unsigned char
parport_atari_read_status(struct parport *p)
{
- return ((mfp.par_dt_reg & 1 ? 0 : PARPORT_STATUS_BUSY) |
+ return ((st_mfp.par_dt_reg & 1 ? 0 : PARPORT_STATUS_BUSY) |
PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR);
}
@@ -193,9 +193,9 @@
sound_ym.wd_data = sound_ym.rd_data_reg_sel | (1 << 5);
local_irq_restore(flags);
/* MFP port I0 as input. */
- mfp.data_dir &= ~1;
+ st_mfp.data_dir &= ~1;
/* MFP port I0 interrupt on high->low edge. */
- mfp.active_edge &= ~1;
+ st_mfp.active_edge &= ~1;
p = parport_register_port((unsigned long)&sound_ym.wd_data,
IRQ_MFP_BUSY, PARPORT_DMA_NONE,
&parport_atari_ops);
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c
index 8058572..018850c 100644
--- a/drivers/video/atafb.c
+++ b/drivers/video/atafb.c
@@ -841,7 +841,7 @@
tt_dmasnd.ctrl = DMASND_CTRL_OFF;
udelay(20); /* wait a while for things to settle down */
}
- mono_moni = (mfp.par_dt_reg & 0x80) == 0;
+ mono_moni = (st_mfp.par_dt_reg & 0x80) == 0;
tt_get_par(&par);
tt_encode_var(&atafb_predefined[0], &par);
@@ -2035,7 +2035,7 @@
tt_dmasnd.ctrl = DMASND_CTRL_OFF;
udelay(20); /* wait a while for things to settle down */
}
- mono_moni = (mfp.par_dt_reg & 0x80) == 0;
+ mono_moni = (st_mfp.par_dt_reg & 0x80) == 0;
stste_get_par(&par);
stste_encode_var(&atafb_predefined[0], &par);
@@ -2086,20 +2086,20 @@
return;
local_irq_save(flags);
- mfp.tim_ct_b = 0x10;
- mfp.active_edge |= 8;
- mfp.tim_ct_b = 0;
- mfp.tim_dt_b = 0xf0;
- mfp.tim_ct_b = 8;
- while (mfp.tim_dt_b > 1) /* TOS does it this way, don't ask why */
+ st_mfp.tim_ct_b = 0x10;
+ st_mfp.active_edge |= 8;
+ st_mfp.tim_ct_b = 0;
+ st_mfp.tim_dt_b = 0xf0;
+ st_mfp.tim_ct_b = 8;
+ while (st_mfp.tim_dt_b > 1) /* TOS does it this way, don't ask why */
;
- new = mfp.tim_dt_b;
+ new = st_mfp.tim_dt_b;
do {
udelay(LINE_DELAY);
old = new;
- new = mfp.tim_dt_b;
+ new = st_mfp.tim_dt_b;
} while (old != new);
- mfp.tim_ct_b = 0x10;
+ st_mfp.tim_ct_b = 0x10;
udelay(SYNC_DELAY);
if (atari_switches & ATARI_SWITCH_OVSC_IKBD)
diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c
index 57d9f15..38931f2 100644
--- a/sound/oss/dmasound/dmasound_atari.c
+++ b/sound/oss/dmasound/dmasound_atari.c
@@ -847,23 +847,23 @@
of events. So all we need to keep the music playing is
to provide the sound hardware with new data upon
an interrupt from timer A. */
- mfp.tim_ct_a = 0; /* ++roman: Stop timer before programming! */
- mfp.tim_dt_a = 1; /* Cause interrupt after first event. */
- mfp.tim_ct_a = 8; /* Turn on event counting. */
+ st_mfp.tim_ct_a = 0; /* ++roman: Stop timer before programming! */
+ st_mfp.tim_dt_a = 1; /* Cause interrupt after first event. */
+ st_mfp.tim_ct_a = 8; /* Turn on event counting. */
/* Register interrupt handler. */
if (request_irq(IRQ_MFP_TIMA, AtaInterrupt, IRQ_TYPE_SLOW, "DMA sound",
AtaInterrupt))
return 0;
- mfp.int_en_a |= 0x20; /* Turn interrupt on. */
- mfp.int_mk_a |= 0x20;
+ st_mfp.int_en_a |= 0x20; /* Turn interrupt on. */
+ st_mfp.int_mk_a |= 0x20;
return 1;
}
#ifdef MODULE
static void AtaIrqCleanUp(void)
{
- mfp.tim_ct_a = 0; /* stop timer */
- mfp.int_en_a &= ~0x20; /* turn interrupt off */
+ st_mfp.tim_ct_a = 0; /* stop timer */
+ st_mfp.int_en_a &= ~0x20; /* turn interrupt off */
free_irq(IRQ_MFP_TIMA, AtaInterrupt);
}
#endif /* MODULE */
@@ -1599,7 +1599,7 @@
is_falcon = 0;
} else
return -ENODEV;
- if ((mfp.int_en_a & mfp.int_mk_a & 0x20) == 0)
+ if ((st_mfp.int_en_a & st_mfp.int_mk_a & 0x20) == 0)
return dmasound_init();
else {
printk("DMA sound driver: Timer A interrupt already in use\n");