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Char/Misc driver fixes for 3.13-rc3

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Nothing huge, just a few small bugfixes for problems reported, and a device id
 update.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Nothing huge, just a few small bugfixes for problems reported, and a
  device id update"

* tag 'char-misc-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mei: add 9 series PCH mei device ids
  drivers/char/i8k.c: add Dell XPLS L421X
  MAINTAINERS: add HSI subsystem
  misc: mic: Suppress memory space sparse warnings
  misc: mic: Fix endianness issues.
  misc: mic: Fix user space namespace pollution from mic_common.h.
  misc: mic: Bug fix for sysfs poll usage.
  misc: mic: Minor bug fix in 'retry' loops.
  misc: mic: Change mic_notify(...) to return true.
  extcon: remove freed groups caused the panic or warning in unregister flow
  extcon: arizona: Get pdata from arizona structure not device
This commit is contained in:
Linus Torvalds 2013-12-08 18:47:25 -08:00
commit f64001ef16
14 changed files with 97 additions and 73 deletions
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40
include/uapi/linux/mic_common.h
View file

@ -23,12 +23,7 @@
#include <linux/virtio_ring.h>
#ifndef __KERNEL__
#define ALIGN(a, x) (((a) + (x) - 1) & ~((x) - 1))
#define __aligned(x) __attribute__ ((aligned(x)))
#endif
#define mic_aligned_size(x) ALIGN(sizeof(x), 8)
#define __mic_align(a, x) (((a) + (x) - 1) & ~((x) - 1))
/**
* struct mic_device_desc: Virtio device information shared between the
@ -48,8 +43,8 @@ struct mic_device_desc {
__u8 feature_len;
__u8 config_len;
__u8 status;
__u64 config[0];
} __aligned(8);
__le64 config[0];
} __attribute__ ((aligned(8)));
/**
* struct mic_device_ctrl: Per virtio device information in the device page
@ -66,7 +61,7 @@ struct mic_device_desc {
* @h2c_vdev_db: The doorbell number to be used by host. Set by guest.
*/
struct mic_device_ctrl {
__u64 vdev;
__le64 vdev;
__u8 config_change;
__u8 vdev_reset;
__u8 guest_ack;
@ -74,7 +69,7 @@ struct mic_device_ctrl {
__u8 used_address_updated;
__s8 c2h_vdev_db;
__s8 h2c_vdev_db;
} __aligned(8);
} __attribute__ ((aligned(8)));
/**
* struct mic_bootparam: Virtio device independent information in device page
@ -87,13 +82,13 @@ struct mic_device_ctrl {
* @shutdown_card: Set to 1 by the host when a card shutdown is initiated
*/
struct mic_bootparam {
__u32 magic;
__le32 magic;
__s8 c2h_shutdown_db;
__s8 h2c_shutdown_db;
__s8 h2c_config_db;
__u8 shutdown_status;
__u8 shutdown_card;
} __aligned(8);
} __attribute__ ((aligned(8)));
/**
* struct mic_device_page: High level representation of the device page
@ -116,10 +111,10 @@ struct mic_device_page {
* @num: The number of entries in the virtio_ring
*/
struct mic_vqconfig {
__u64 address;
__u64 used_address;
__u16 num;
} __aligned(8);
__le64 address;
__le64 used_address;
__le16 num;
} __attribute__ ((aligned(8)));
/*
* The alignment to use between consumer and producer parts of vring.
@ -154,7 +149,7 @@ struct mic_vqconfig {
*/
struct _mic_vring_info {
__u16 avail_idx;
int magic;
__le32 magic;
};
/**
@ -173,15 +168,13 @@ struct mic_vring {
int len;
};
#define mic_aligned_desc_size(d) ALIGN(mic_desc_size(d), 8)
#define mic_aligned_desc_size(d) __mic_align(mic_desc_size(d), 8)
#ifndef INTEL_MIC_CARD
static inline unsigned mic_desc_size(const struct mic_device_desc *desc)
{
return mic_aligned_size(*desc)
+ desc->num_vq * mic_aligned_size(struct mic_vqconfig)
+ desc->feature_len * 2
+ desc->config_len;
return sizeof(*desc) + desc->num_vq * sizeof(struct mic_vqconfig)
+ desc->feature_len * 2 + desc->config_len;
}
static inline struct mic_vqconfig *
@ -201,8 +194,7 @@ static inline __u8 *mic_vq_configspace(const struct mic_device_desc *desc)
}
static inline unsigned mic_total_desc_size(struct mic_device_desc *desc)
{
return mic_aligned_desc_size(desc) +
mic_aligned_size(struct mic_device_ctrl);
return mic_aligned_desc_size(desc) + sizeof(struct mic_device_ctrl);
}
#endif