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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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One cc: stable commit, the rest are a series of minor cleanups which have
been sitting in MST's tree during my vacation. I changed a function name and made one trivial change, then they spent two days in linux-next. Thanks, Rusty. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJUQFBQAAoJENkgDmzRrbjxJRIP/1yCQRElQewxURSmJelyqCdU 0mHYB0R9Mf3tfre1xnofqs2lWeSMc/4ptKHsVR6pupoztSwnz7HsLHfEFvFJh4mj KsaqYElxkNxTcfyHwLjyJS0/J6tG1tYypXGiimTBS0bvFHL3XZdimVgJ6WvX+gO7 YSaDEX8/EqCERafslS5+gKJlz3drDOnCZCe9y4BDSmsvl2k7bkpSxIn8vsR6jIC0 c5JpUy6QVF+3XA/J932M7yRs+xpqxNoUWiyY3ar9o3CtQAaQB0ZAetSxY6hTfvVc GlNFzCifdsaQwsl2SVsE2h6tWaRhtMtcGWQuhHThIPyIf8XxhYyBRY2FLo70LMz1 eqtwy6F/Bg/nzUsdee4PZBMeoKHlAEL12RpsEKgfUoLzj16Aqa8ll+Agbglbkw8G f3d2FwzKAlpY5NwHETC1wYy52PJ3efqksRWuhokmYpxNSbHJS/lsiJOE7272/4Qr MtXuvRmo22tf34XFd5y7zqWjgZ58eeFOqQWi/K+6ZgpqVOvikjrXXKEuiVdjO0ZD kTVR/sQKiR+79rzENk80XBhWaMveECNXF1TiZ/3MmURkmEOBRQMxRQ20BX3exvna AJ/WVA5DcfXZc1yyqknE1NLGrvSBMJENH13x2QPwrqNWAryOOKuF1VKKIwWlDw5j vtx5nXiJa8YYdxI2TJCN =JK6x -----END PGP SIGNATURE----- Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio updates from Rusty Russell: "One cc: stable commit, the rest are a series of minor cleanups which have been sitting in MST's tree during my vacation. I changed a function name and made one trivial change, then they spent two days in linux-next" * tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (25 commits) virtio-rng: refactor probe error handling virtio_scsi: drop scan callback virtio_balloon: enable VQs early on restore virtio_scsi: fix race on device removal virito_scsi: use freezable WQ for events virtio_net: enable VQs early on restore virtio_console: enable VQs early on restore virtio_scsi: enable VQs early on restore virtio_blk: enable VQs early on restore virtio_scsi: move kick event out from virtscsi_init virtio_net: fix use after free on allocation failure 9p/trans_virtio: enable VQs early virtio_console: enable VQs early virtio_blk: enable VQs early virtio_net: enable VQs early virtio: add API to enable VQs early virtio_net: minor cleanup virtio-net: drop config_mutex virtio_net: drop config_enable virtio-blk: drop config_mutex ...
This commit is contained in:
commit
0e6e58f941
15 changed files with 207 additions and 137 deletions
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@ -78,6 +78,10 @@ bool virtqueue_is_broken(struct virtqueue *vq);
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/**
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* virtio_device - representation of a device using virtio
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* @index: unique position on the virtio bus
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* @failed: saved value for CONFIG_S_FAILED bit (for restore)
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* @config_enabled: configuration change reporting enabled
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* @config_change_pending: configuration change reported while disabled
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* @config_lock: protects configuration change reporting
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* @dev: underlying device.
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* @id: the device type identification (used to match it with a driver).
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* @config: the configuration ops for this device.
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@ -88,6 +92,10 @@ bool virtqueue_is_broken(struct virtqueue *vq);
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*/
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struct virtio_device {
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int index;
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bool failed;
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bool config_enabled;
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bool config_change_pending;
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spinlock_t config_lock;
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struct device dev;
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struct virtio_device_id id;
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const struct virtio_config_ops *config;
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@ -108,6 +116,12 @@ void unregister_virtio_device(struct virtio_device *dev);
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void virtio_break_device(struct virtio_device *dev);
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void virtio_config_changed(struct virtio_device *dev);
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#ifdef CONFIG_PM_SLEEP
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int virtio_device_freeze(struct virtio_device *dev);
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int virtio_device_restore(struct virtio_device *dev);
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#endif
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/**
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* virtio_driver - operations for a virtio I/O driver
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* @driver: underlying device driver (populate name and owner).
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@ -109,6 +109,23 @@ struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev,
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return vq;
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}
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/**
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* virtio_device_ready - enable vq use in probe function
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* @vdev: the device
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*
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* Driver must call this to use vqs in the probe function.
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*
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* Note: vqs are enabled automatically after probe returns.
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*/
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static inline
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void virtio_device_ready(struct virtio_device *dev)
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{
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unsigned status = dev->config->get_status(dev);
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BUG_ON(status & VIRTIO_CONFIG_S_DRIVER_OK);
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dev->config->set_status(dev, status | VIRTIO_CONFIG_S_DRIVER_OK);
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}
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static inline
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const char *virtio_bus_name(struct virtio_device *vdev)
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{
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