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- Some refactoring, cleanups and small improvements
   from Sjur Brændeland. The improvements are mainly
   about better supporting varios virtio properties
   (such as virtio's config space, status and features).
   I now see that I messed up while commiting one of Sjur's
   patches and erroneously put myself as the author, as well
   as letting a nasty typo sneak in. I will not fix this in
   order to avoid rebasing the patches. Sjur - sorry!
 - A new remoteproc driver for OMAP-L13x (technically a
   DaVinci platform) from Robert Tivy.
 - Extend OMAP support to OMAP5 as well, from Vincent Stehlé.
 - Fix Kconfig VIRTUALIZATION dependency, from Suman Anna
   (a non-critical fix which arrived late during the rc cycle).
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Merge tag 'remoteproc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc

Pull remoteproc update from Ohad Ben-Cohen:

 - Some refactoring, cleanups and small improvements from Sjur
   Brændeland.  The improvements are mainly about better supporting
   varios virtio properties (such as virtio's config space, status and
   features).  I now see that I messed up while commiting one of Sjur's
   patches and erroneously put myself as the author, as well as letting
   a nasty typo sneak in.  I will not fix this in order to avoid
   rebasing the patches.  Sjur - sorry!

 - A new remoteproc driver for OMAP-L13x (technically a DaVinci
   platform) from Robert Tivy.

 - Extend OMAP support to OMAP5 as well, from Vincent Stehlé.

 - Fix Kconfig VIRTUALIZATION dependency, from Suman Anna (a
   non-critical fix which arrived late during the rc cycle).

* tag 'remoteproc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc:
  remoteproc: fix kconfig dependencies for VIRTIO
  remoteproc/davinci: add a remoteproc driver for OMAP-L13x DSP
  remoteproc: support default firmware name in rproc_alloc()
  remoteproc/omap: support OMAP5 too
  remoteproc: set vring addresses in resource table
  remoteproc: support virtio config space.
  remoteproc: perserve resource table data
  remoteproc: calculate max_notifyid by counting vrings
  remoteproc: code cleanup of resource parsing
  remoteproc: parse STE-firmware and find resource table address
  remoteproc: add find_loaded_rsc_table firmware ops
  remoteproc: refactor rproc_elf_find_rsc_table()
This commit is contained in:
Linus Torvalds 2013-05-07 14:04:56 -07:00
commit de9c9f86be
9 changed files with 677 additions and 138 deletions
Download patch file Download diff file Expand all files Collapse all files

13
include/linux/remoteproc.h
View file

@ -401,6 +401,9 @@ enum rproc_crash_type {
* @crash_comp: completion used to sync crash handler and the rproc reload
* @recovery_disabled: flag that state if recovery was disabled
* @max_notifyid: largest allocated notify id.
* @table_ptr: pointer to the resource table in effect
* @cached_table: copy of the resource table
* @table_csum: checksum of the resource table
*/
struct rproc {
struct klist_node node;
@ -429,9 +432,13 @@ struct rproc {
struct completion crash_comp;
bool recovery_disabled;
int max_notifyid;
struct resource_table *table_ptr;
struct resource_table *cached_table;
u32 table_csum;
};
/* we currently support only two vrings per rvdev */
#define RVDEV_NUM_VRINGS 2
/**
@ -462,16 +469,14 @@ struct rproc_vring {
* @rproc: the rproc handle
* @vdev: the virio device
* @vring: the vrings for this vdev
* @dfeatures: virtio device features
* @gfeatures: virtio guest features
* @rsc_offset: offset of the vdev's resource entry
*/
struct rproc_vdev {
struct list_head node;
struct rproc *rproc;
struct virtio_device vdev;
struct rproc_vring vring[RVDEV_NUM_VRINGS];
unsigned long dfeatures;
unsigned long gfeatures;
u32 rsc_offset;
};
struct rproc *rproc_alloc(struct device *dev, const char *name,