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-rw-r--r--drivers/acpi/processor_idle.c10
-rw-r--r--drivers/acpi/thermal.c15
-rw-r--r--drivers/acpi/utilities/utobject.c2
-rw-r--r--drivers/char/stallion.c7
-rw-r--r--drivers/char/vt.c18
-rw-r--r--drivers/hwmon/coretemp.c1
-rw-r--r--drivers/macintosh/Kconfig2
-rw-r--r--drivers/mfd/sm501.c173
8 files changed, 191 insertions, 37 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index ee5759bef945..80ffc7829916 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -332,16 +332,18 @@ static void acpi_processor_idle(void)
int sleep_ticks = 0;
u32 t1, t2 = 0;
- pr = processors[smp_processor_id()];
- if (!pr)
- return;
-
/*
* Interrupts must be disabled during bus mastering calculations and
* for C2/C3 transitions.
*/
local_irq_disable();
+ pr = processors[smp_processor_id()];
+ if (!pr) {
+ local_irq_enable();
+ return;
+ }
+
/*
* Check whether we truly need to go idle, or should
* reschedule:
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 194ecfe8b360..88a6fc7fd271 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -828,6 +828,8 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_thermal *tz = seq->private;
struct acpi_device *device;
+ acpi_status status;
+
int i = 0;
int j = 0;
@@ -850,8 +852,10 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
tz->trips.passive.tc1, tz->trips.passive.tc2,
tz->trips.passive.tsp);
for (j = 0; j < tz->trips.passive.devices.count; j++) {
- acpi_bus_get_device(tz->trips.passive.devices.handles[j], &device);
- seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+ status = acpi_bus_get_device(tz->trips.passive.devices.
+ handles[j], &device);
+ seq_printf(seq, "%4.4s ", status ? "" :
+ acpi_device_bid(device));
}
seq_puts(seq, "\n");
}
@@ -863,8 +867,11 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
i,
KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
for (j = 0; j < tz->trips.active[i].devices.count; j++){
- acpi_bus_get_device(tz->trips.active[i].devices.handles[j], &device);
- seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+ status = acpi_bus_get_device(tz->trips.active[i].
+ devices.handles[j],
+ &device);
+ seq_printf(seq, "%4.4s ", status ? "" :
+ acpi_device_bid(device));
}
seq_puts(seq, "\n");
}
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index db0b9bac7945..76ee766c84f9 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -177,7 +177,7 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
package_elements = ACPI_ALLOCATE_ZEROED((acpi_size)
(count + 1) * sizeof(void *));
if (!package_elements) {
- ACPI_FREE(package_desc);
+ acpi_ut_remove_reference(package_desc);
return_PTR(NULL);
}
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 45bf2a262a85..8c73ccb8830f 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -4753,13 +4753,14 @@ static int __init stallion_module_init(void)
brdp->ioaddr2 = conf.ioaddr2;
brdp->irq = conf.irq;
brdp->irqtype = conf.irqtype;
- if (stl_brdinit(brdp))
+ stl_brds[brdp->brdnr] = brdp;
+ if (stl_brdinit(brdp)) {
+ stl_brds[brdp->brdnr] = NULL;
kfree(brdp);
- else {
+ } else {
for (j = 0; j < brdp->nrports; j++)
tty_register_device(stl_serial,
brdp->brdnr * STL_MAXPORTS + j, NULL);
- stl_brds[brdp->brdnr] = brdp;
stl_nrbrds = i + 1;
}
}
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index bbd9fc412877..6650ae1c088f 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -1956,7 +1956,7 @@ char con_buf[CON_BUF_SIZE];
DEFINE_MUTEX(con_buf_mtx);
/* is_double_width() is based on the wcwidth() implementation by
- * Markus Kuhn -- 2003-05-20 (Unicode 4.0)
+ * Markus Kuhn -- 2007-05-26 (Unicode 5.0)
* Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
*/
struct interval {
@@ -1988,8 +1988,8 @@ static int is_double_width(uint32_t ucs)
static const struct interval double_width[] = {
{ 0x1100, 0x115F }, { 0x2329, 0x232A }, { 0x2E80, 0x303E },
{ 0x3040, 0xA4CF }, { 0xAC00, 0xD7A3 }, { 0xF900, 0xFAFF },
- { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 }, { 0xFFE0, 0xFFE6 },
- { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD }
+ { 0xFE10, 0xFE19 }, { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 },
+ { 0xFFE0, 0xFFE6 }, { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD }
};
return bisearch(ucs, double_width,
sizeof(double_width) / sizeof(*double_width) - 1);
@@ -2187,9 +2187,12 @@ rescan_last_byte:
continue; /* nothing to display */
}
/* Glyph not found */
- if (!(vc->vc_utf && !vc->vc_disp_ctrl) && !(c & ~charmask)) {
+ if ((!(vc->vc_utf && !vc->vc_disp_ctrl) || c < 128) && !(c & ~charmask)) {
/* In legacy mode use the glyph we get by a 1:1 mapping.
- This would make absolutely no sense with Unicode in mind. */
+ This would make absolutely no sense with Unicode in mind,
+ but do this for ASCII characters since a font may lack
+ Unicode mapping info and we don't want to end up with
+ having question marks only. */
tc = c;
} else {
/* Display U+FFFD. If it's not found, display an inverse question mark. */
@@ -2213,6 +2216,7 @@ rescan_last_byte:
} else {
vc_attr = ((vc->vc_attr) & 0x88) | (((vc->vc_attr) & 0x70) >> 4) | (((vc->vc_attr) & 0x07) << 4);
}
+ FLUSH
}
while (1) {
@@ -2246,6 +2250,10 @@ rescan_last_byte:
if (tc < 0) tc = ' ';
}
+ if (inverse) {
+ FLUSH
+ }
+
if (rescan) {
rescan = 0;
inverse = 0;
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 0328382df8fa..6d54c8caed79 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -185,6 +185,7 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
/* check for microcode update */
rdmsr_on_cpu(data->id, MSR_IA32_UCODE_REV, &eax, &edx);
if (edx < 0x39) {
+ err = -ENODEV;
dev_err(&pdev->dev,
"Errata AE18 not fixed, update BIOS or "
"microcode of the CPU!\n");
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 0852d330c265..dbe96268866e 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -2,7 +2,7 @@
menuconfig MACINTOSH_DRIVERS
bool "Macintosh device drivers"
depends on PPC || MAC || X86
- default y if MAC
+ default y if (PPC_PMAC || MAC)
if MACINTOSH_DRIVERS
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index b0b4458ae90b..8135e4c3bf47 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -41,6 +41,9 @@ struct sm501_devdata {
struct resource *regs_claim;
struct sm501_platdata *platdata;
+ unsigned int in_suspend;
+ unsigned long pm_misc;
+
int unit_power[20];
unsigned int pdev_id;
unsigned int irq;
@@ -169,10 +172,41 @@ x "M %ld.%ld (%ld), MX1 %ld.%ld (%ld)\n",
fmt_freq(decode_div(pll2, pm1, 8, 1<<12, 15, misc_div)),
fmt_freq(decode_div(pll2, pm1, 0, 1<<4, 15, misc_div)));
}
-#else
-static void sm501_dump_clk(struct sm501_devdata *sm)
+
+static void sm501_dump_regs(struct sm501_devdata *sm)
{
+ void __iomem *regs = sm->regs;
+
+ dev_info(sm->dev, "System Control %08x\n",
+ readl(regs + SM501_SYSTEM_CONTROL));
+ dev_info(sm->dev, "Misc Control %08x\n",
+ readl(regs + SM501_MISC_CONTROL));
+ dev_info(sm->dev, "GPIO Control Low %08x\n",
+ readl(regs + SM501_GPIO31_0_CONTROL));
+ dev_info(sm->dev, "GPIO Control Hi %08x\n",
+ readl(regs + SM501_GPIO63_32_CONTROL));
+ dev_info(sm->dev, "DRAM Control %08x\n",
+ readl(regs + SM501_DRAM_CONTROL));
+ dev_info(sm->dev, "Arbitration Ctrl %08x\n",
+ readl(regs + SM501_ARBTRTN_CONTROL));
+ dev_info(sm->dev, "Misc Timing %08x\n",
+ readl(regs + SM501_MISC_TIMING));
}
+
+static void sm501_dump_gate(struct sm501_devdata *sm)
+{
+ dev_info(sm->dev, "CurrentGate %08x\n",
+ readl(sm->regs + SM501_CURRENT_GATE));
+ dev_info(sm->dev, "CurrentClock %08x\n",
+ readl(sm->regs + SM501_CURRENT_CLOCK));
+ dev_info(sm->dev, "PowerModeControl %08x\n",
+ readl(sm->regs + SM501_POWER_MODE_CONTROL));
+}
+
+#else
+static inline void sm501_dump_gate(struct sm501_devdata *sm) { }
+static inline void sm501_dump_regs(struct sm501_devdata *sm) { }
+static inline void sm501_dump_clk(struct sm501_devdata *sm) { }
#endif
/* sm501_sync_regs
@@ -185,9 +219,21 @@ static void sm501_sync_regs(struct sm501_devdata *sm)
readl(sm->regs);
}
+static inline void sm501_mdelay(struct sm501_devdata *sm, unsigned int delay)
+{
+ /* during suspend/resume, we are currently not allowed to sleep,
+ * so change to using mdelay() instead of msleep() if we
+ * are in one of these paths */
+
+ if (sm->in_suspend)
+ mdelay(delay);
+ else
+ msleep(delay);
+}
+
/* sm501_misc_control
*
- * alters the misceleneous control parameters
+ * alters the miscellaneous control parameters
*/
int sm501_misc_control(struct device *dev,
@@ -368,7 +414,7 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to)
dev_dbg(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
gate, clock, mode);
- msleep(16);
+ sm501_mdelay(sm, 16);
already:
mutex_unlock(&sm->clock_lock);
@@ -538,7 +584,7 @@ unsigned long sm501_set_clock(struct device *dev,
dev_info(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
gate, clock, mode);
- msleep(16);
+ sm501_mdelay(sm, 16);
mutex_unlock(&sm->clock_lock);
sm501_dump_clk(sm);
@@ -767,6 +813,9 @@ static DEVICE_ATTR(dbg_regs, 0666, sm501_dbg_regs, NULL);
/* sm501_init_reg
*
* Helper function for the init code to setup a register
+ *
+ * clear the bits which are set in r->mask, and then set
+ * the bits set in r->set.
*/
static inline void sm501_init_reg(struct sm501_devdata *sm,
@@ -776,8 +825,8 @@ static inline void sm501_init_reg(struct sm501_devdata *sm,
unsigned long tmp;
tmp = readl(sm->regs + reg);
- tmp |= r->set;
tmp &= ~r->mask;
+ tmp |= r->set;
writel(tmp, sm->regs + reg);
}
@@ -797,15 +846,33 @@ static void sm501_init_regs(struct sm501_devdata *sm,
sm501_init_reg(sm, SM501_GPIO31_0_CONTROL, &init->gpio_low);
sm501_init_reg(sm, SM501_GPIO63_32_CONTROL, &init->gpio_high);
+ if (init->m1xclk) {
+ dev_info(sm->dev, "setting M1XCLK to %ld\n", init->m1xclk);
+ sm501_set_clock(sm->dev, SM501_CLOCK_M1XCLK, init->m1xclk);
+ }
+
if (init->mclk) {
dev_info(sm->dev, "setting MCLK to %ld\n", init->mclk);
sm501_set_clock(sm->dev, SM501_CLOCK_MCLK, init->mclk);
}
- if (init->m1xclk) {
- dev_info(sm->dev, "setting M1XCLK to %ld\n", init->m1xclk);
- sm501_set_clock(sm->dev, SM501_CLOCK_M1XCLK, init->m1xclk);
- }
+}
+
+/* Check the PLL sources for the M1CLK and M1XCLK
+ *
+ * If the M1CLK and M1XCLKs are not sourced from the same PLL, then
+ * there is a risk (see errata AB-5) that the SM501 will cease proper
+ * function. If this happens, then it is likely the SM501 will
+ * hang the system.
+*/
+
+static int sm501_check_clocks(struct sm501_devdata *sm)
+{
+ unsigned long pwrmode = readl(sm->regs + SM501_CURRENT_CLOCK);
+ unsigned long msrc = (pwrmode & SM501_POWERMODE_M_SRC);
+ unsigned long m1src = (pwrmode & SM501_POWERMODE_M1_SRC);
+
+ return ((msrc == 0 && m1src != 0) || (msrc != 0 && m1src == 0));
}
static unsigned int sm501_mem_local[] = {
@@ -826,6 +893,7 @@ static int sm501_init_dev(struct sm501_devdata *sm)
{
resource_size_t mem_avail;
unsigned long dramctrl;
+ unsigned long devid;
int ret;
mutex_init(&sm->clock_lock);
@@ -833,17 +901,20 @@ static int sm501_init_dev(struct sm501_devdata *sm)
INIT_LIST_HEAD(&sm->devices);
- dramctrl = readl(sm->regs + SM501_DRAM_CONTROL);
+ devid = readl(sm->regs + SM501_DEVICEID);
+
+ if ((devid & SM501_DEVICEID_IDMASK) != SM501_DEVICEID_SM501) {
+ dev_err(sm->dev, "incorrect device id %08lx\n", devid);
+ return -EINVAL;
+ }
+ dramctrl = readl(sm->regs + SM501_DRAM_CONTROL);
mem_avail = sm501_mem_local[(dramctrl >> 13) & 0x7];
- dev_info(sm->dev, "SM501 At %p: Version %08x, %ld Mb, IRQ %d\n",
- sm->regs, readl(sm->regs + SM501_DEVICEID),
- (unsigned long)mem_avail >> 20, sm->irq);
+ dev_info(sm->dev, "SM501 At %p: Version %08lx, %ld Mb, IRQ %d\n",
+ sm->regs, devid, (unsigned long)mem_avail >> 20, sm->irq);
- dev_info(sm->dev, "CurrentGate %08x\n", readl(sm->regs+0x38));
- dev_info(sm->dev, "CurrentClock %08x\n", readl(sm->regs+0x3c));
- dev_info(sm->dev, "PowerModeControl %08x\n", readl(sm->regs+0x54));
+ sm501_dump_gate(sm);
ret = device_create_file(sm->dev, &dev_attr_dbg_regs);
if (ret)
@@ -864,6 +935,13 @@ static int sm501_init_dev(struct sm501_devdata *sm)
}
}
+ ret = sm501_check_clocks(sm);
+ if (ret) {
+ dev_err(sm->dev, "M1X and M clocks sourced from different "
+ "PLLs\n");
+ return -EINVAL;
+ }
+
/* always create a framebuffer */
sm501_register_display(sm, &mem_avail);
@@ -933,6 +1011,57 @@ static int sm501_plat_probe(struct platform_device *dev)
}
+#ifdef CONFIG_PM
+/* power management support */
+
+static int sm501_plat_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct sm501_devdata *sm = platform_get_drvdata(pdev);
+
+ sm->in_suspend = 1;
+ sm->pm_misc = readl(sm->regs + SM501_MISC_CONTROL);
+
+ sm501_dump_regs(sm);
+ return 0;
+}
+
+static int sm501_plat_resume(struct platform_device *pdev)
+{
+ struct sm501_devdata *sm = platform_get_drvdata(pdev);
+
+ sm501_dump_regs(sm);
+ sm501_dump_gate(sm);
+ sm501_dump_clk(sm);
+
+ /* check to see if we are in the same state as when suspended */
+
+ if (readl(sm->regs + SM501_MISC_CONTROL) != sm->pm_misc) {
+ dev_info(sm->dev, "SM501_MISC_CONTROL changed over sleep\n");
+ writel(sm->pm_misc, sm->regs + SM501_MISC_CONTROL);
+
+ /* our suspend causes the controller state to change,
+ * either by something attempting setup, power loss,
+ * or an external reset event on power change */
+
+ if (sm->platdata && sm->platdata->init) {
+ sm501_init_regs(sm, sm->platdata->init);
+ }
+ }
+
+ /* dump our state from resume */
+
+ sm501_dump_regs(sm);
+ sm501_dump_clk(sm);
+
+ sm->in_suspend = 0;
+
+ return 0;
+}
+#else
+#define sm501_plat_suspend NULL
+#define sm501_plat_resume NULL
+#endif
+
/* Initialisation data for PCI devices */
static struct sm501_initdata sm501_pci_initdata = {
@@ -950,8 +1079,12 @@ static struct sm501_initdata sm501_pci_initdata = {
},
.devices = SM501_USE_ALL,
- .mclk = 100 * MHZ,
- .m1xclk = 160 * MHZ,
+
+ /* Errata AB-3 says that 72MHz is the fastest available
+ * for 33MHZ PCI with proper bus-mastering operation */
+
+ .mclk = 72 * MHZ,
+ .m1xclk = 144 * MHZ,
};
static struct sm501_platdata_fbsub sm501_pdata_fbsub = {
@@ -1126,6 +1259,8 @@ static struct platform_driver sm501_plat_drv = {
},
.probe = sm501_plat_probe,
.remove = sm501_plat_remove,
+ .suspend = sm501_plat_suspend,
+ .resume = sm501_plat_resume,
};
static int __init sm501_base_init(void)
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-26 16:38:22 +0100