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authorJiri Kosina <jkosina@suse.cz>2016-05-17 12:41:22 +0200
committerJiri Kosina <jkosina@suse.cz>2016-05-17 12:41:22 +0200
commit3390e579b3dac71e630ed879a73c5ac3b4447045 (patch)
treefcd7f4118654286c1e634c87e4ad3efcea3c637d /drivers/hid
parent27fd38c5226ed0f1712d071880fa8e739eb78650 (diff)
parent282bf1fe6dca4b768d6bedc14aea1b82c36241c1 (diff)
downloadlwn-3390e579b3dac71e630ed879a73c5ac3b4447045.tar.gz
lwn-3390e579b3dac71e630ed879a73c5ac3b4447045.zip
Merge branch 'for-4.7/upstream' into for-linus
Conflicts: drivers/hid/usbhid/hid-quirks.c
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-core.c33
-rw-r--r--drivers/hid/hid-ids.h7
-rw-r--r--drivers/hid/hid-roccat.c5
-rw-r--r--drivers/hid/hidraw.c5
-rw-r--r--drivers/hid/usbhid/hid-quirks.c5
5 files changed, 31 insertions, 24 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 875ff6e0b4d0..8ea3a26360e9 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1129,49 +1129,46 @@ EXPORT_SYMBOL_GPL(hid_field_extract);
static void __implement(u8 *report, unsigned offset, int n, u32 value)
{
unsigned int idx = offset / 8;
- unsigned int size = offset + n;
unsigned int bit_shift = offset % 8;
int bits_to_set = 8 - bit_shift;
- u8 bit_mask = 0xff << bit_shift;
while (n - bits_to_set >= 0) {
- report[idx] &= ~bit_mask;
+ report[idx] &= ~(0xff << bit_shift);
report[idx] |= value << bit_shift;
value >>= bits_to_set;
n -= bits_to_set;
bits_to_set = 8;
- bit_mask = 0xff;
bit_shift = 0;
idx++;
}
/* last nibble */
if (n) {
- if (size % 8)
- bit_mask &= (1U << (size % 8)) - 1;
- report[idx] &= ~bit_mask;
- report[idx] |= (value << bit_shift) & bit_mask;
+ u8 bit_mask = ((1U << n) - 1);
+ report[idx] &= ~(bit_mask << bit_shift);
+ report[idx] |= value << bit_shift;
}
}
static void implement(const struct hid_device *hid, u8 *report,
unsigned offset, unsigned n, u32 value)
{
- u64 m;
-
- if (n > 32) {
+ if (unlikely(n > 32)) {
hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
__func__, n, current->comm);
n = 32;
+ } else if (n < 32) {
+ u32 m = (1U << n) - 1;
+
+ if (unlikely(value > m)) {
+ hid_warn(hid,
+ "%s() called with too large value %d (n: %d)! (%s)\n",
+ __func__, value, n, current->comm);
+ WARN_ON(1);
+ value &= m;
+ }
}
- m = (1ULL << n) - 1;
- if (value > m)
- hid_warn(hid, "%s() called with too large value %d! (%s)\n",
- __func__, value, current->comm);
- WARN_ON(value > m);
- value &= m;
-
__implement(report, offset, n, value);
}
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index e550a3a2b06d..3eec09a134cb 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -259,6 +259,13 @@
#define USB_VENDOR_ID_CORSAIR 0x1b1c
#define USB_DEVICE_ID_CORSAIR_K90 0x1b02
+#define USB_VENDOR_ID_CORSAIR 0x1b1c
+#define USB_DEVICE_ID_CORSAIR_K70R 0x1b09
+#define USB_DEVICE_ID_CORSAIR_K95RGB 0x1b11
+#define USB_DEVICE_ID_CORSAIR_M65RGB 0x1b12
+#define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13
+#define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17
+
#define USB_VENDOR_ID_CREATIVELABS 0x041e
#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c
#define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index 65c4ccfcbd29..76d06cf87b2a 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -421,14 +421,13 @@ static int __init roccat_init(void)
retval = alloc_chrdev_region(&dev_id, ROCCAT_FIRST_MINOR,
ROCCAT_MAX_DEVICES, "roccat");
-
- roccat_major = MAJOR(dev_id);
-
if (retval < 0) {
pr_warn("can't get major number\n");
goto error;
}
+ roccat_major = MAJOR(dev_id);
+
cdev_init(&roccat_cdev, &roccat_ops);
retval = cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES);
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index b9a76e3a7f17..f0e2757cb909 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -582,14 +582,13 @@ int __init hidraw_init(void)
result = alloc_chrdev_region(&dev_id, HIDRAW_FIRST_MINOR,
HIDRAW_MAX_DEVICES, "hidraw");
-
- hidraw_major = MAJOR(dev_id);
-
if (result < 0) {
pr_warn("can't get major number\n");
goto out;
}
+ hidraw_major = MAJOR(dev_id);
+
hidraw_class = class_create(THIS_MODULE, "hidraw");
if (IS_ERR(hidraw_class)) {
result = PTR_ERR(hidraw_class);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 53fc856d6867..b4b8c6abb03e 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -71,6 +71,11 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70R, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_M65RGB, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K95RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },