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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-14 16:43:47 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-14 16:43:47 -0800 |
commit | 6ae840e7cc4be0be3aa40d9f67c35c75cfc67d83 (patch) | |
tree | 9c83c87a8670ef678d95f8d6f76a07f24a09a49f /drivers/char | |
parent | e6b5be2be4e30037eb551e0ed09dd97bd00d85d3 (diff) | |
parent | 91905b6f4afe51e23a3f58df93e4cdc5e49cf40c (diff) | |
download | linux-6ae840e7cc4be0be3aa40d9f67c35c75cfc67d83.tar.bz2 |
Merge tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver update for 3.19-rc1
Lots of little things all over the place in different drivers, and a
new subsystem, "coresight" has been added. Full details are in the
shortlog"
* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
parport: parport_pc, do not remove parent devices early
spmi: Remove shutdown/suspend/resume kernel-doc
carma-fpga-program: drop videobuf dependency
carma-fpga: drop videobuf dependency
carma-fpga-program.c: fix compile errors
i8k: Fix temperature bug handling in i8k_get_temp()
cxl: Name interrupts in /proc/interrupt
CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
coresight-replicator: remove .owner field for driver
coresight: fixed comments in coresight.h
coresight: fix typo in comment in coresight-priv.h
coresight: bindings for coresight drivers
coresight: Adding ABI documentation
w1: support auto-load of w1_bq27000 module.
w1: avoid potential u16 overflow
cn: verify msg->len before making callback
mei: export fw status registers through sysfs
mei: read and print all six FW status registers
mei: txe: add cherrytrail device id
mei: kill cached host and me csr values
...
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/hangcheck-timer.c | 4 | ||||
-rw-r--r-- | drivers/char/i8k.c | 26 |
2 files changed, 22 insertions, 8 deletions
diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c index ebc4c73d8ca4..a7c5c59675f0 100644 --- a/drivers/char/hangcheck-timer.c +++ b/drivers/char/hangcheck-timer.c @@ -168,8 +168,8 @@ static int __init hangcheck_init(void) printk("Hangcheck: starting hangcheck timer %s (tick is %d seconds, margin is %d seconds).\n", VERSION_STR, hangcheck_tick, hangcheck_margin); hangcheck_tsc_margin = - (unsigned long long)(hangcheck_margin + hangcheck_tick); - hangcheck_tsc_margin *= (unsigned long long)TIMER_FREQ; + (unsigned long long)hangcheck_margin + hangcheck_tick; + hangcheck_tsc_margin *= TIMER_FREQ; hangcheck_tsc = ktime_get_ns(); mod_timer(&hangcheck_ticktock, jiffies + (hangcheck_tick*HZ)); diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 34174d01462e..e34a019eb930 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -298,7 +298,7 @@ static int i8k_get_temp(int sensor) int temp; #ifdef I8K_TEMPERATURE_BUG - static int prev[4]; + static int prev[4] = { I8K_MAX_TEMP+1, I8K_MAX_TEMP+1, I8K_MAX_TEMP+1, I8K_MAX_TEMP+1 }; #endif regs.ebx = sensor & 0xff; rc = i8k_smm(®s); @@ -317,10 +317,12 @@ static int i8k_get_temp(int sensor) */ if (temp > I8K_MAX_TEMP) { temp = prev[sensor]; - prev[sensor] = I8K_MAX_TEMP; + prev[sensor] = I8K_MAX_TEMP+1; } else { prev[sensor] = temp; } + if (temp > I8K_MAX_TEMP) + return -ERANGE; #endif return temp; @@ -499,6 +501,8 @@ static ssize_t i8k_hwmon_show_temp(struct device *dev, int temp; temp = i8k_get_temp(index); + if (temp == -ERANGE) + return -EINVAL; if (temp < 0) return temp; return sprintf(buf, "%d\n", temp * 1000); @@ -610,17 +614,17 @@ static int __init i8k_init_hwmon(void) /* CPU temperature attributes, if temperature reading is OK */ err = i8k_get_temp(0); - if (err >= 0) + if (err >= 0 || err == -ERANGE) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP1; /* check for additional temperature sensors */ err = i8k_get_temp(1); - if (err >= 0) + if (err >= 0 || err == -ERANGE) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP2; err = i8k_get_temp(2); - if (err >= 0) + if (err >= 0 || err == -ERANGE) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP3; err = i8k_get_temp(3); - if (err >= 0) + if (err >= 0 || err == -ERANGE) i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP4; /* Left fan attributes, if left fan is present */ @@ -711,6 +715,14 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = { .driver_data = (void *)&i8k_config_data[DELL_LATITUDE_D520], }, { + .ident = "Dell Latitude E6440", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6440"), + }, + .driver_data = (void *)&i8k_config_data[DELL_LATITUDE_E6540], + }, + { .ident = "Dell Latitude E6540", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), @@ -788,6 +800,8 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = { { } }; +MODULE_DEVICE_TABLE(dmi, i8k_dmi_table); + /* * Probe for the presence of a supported laptop. */ |