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  1. 02 5月, 2019 33 次提交
  3. 29 4月, 2019 1 次提交
  5. 27 4月, 2019 3 次提交
    • G
      Merge tag 'thunderbolt-for-v5.2' of... · c0286f56
      由 Greg Kroah-Hartman 提交于 
      Merge tag 'thunderbolt-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into char-misc-next

Mika writes:

thunderbolt: Changes for v5.2 merge window

This improves software connection manager on older Apple systems with
Thunderbolt 1 and 2 controller to support full PCIe daisy chains,
Display Port tunneling and P2P networking. There are also fixes for
potential NULL pointer dereferences at various places in the driver.

* tag 'thunderbolt-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: (44 commits)
  thunderbolt: Make priority unsigned in struct tb_path
  thunderbolt: Start firmware on Titan Ridge Apple systems
  thunderbolt: Reword output of tb_dump_hop()
  thunderbolt: Make rest of the logging to happen at debug level
  thunderbolt: Make __TB_[SW|PORT]_PRINT take const parameters
  thunderbolt: Add support for XDomain connections
  thunderbolt: Make tb_switch_alloc() return ERR_PTR()
  thunderbolt: Add support for DMA tunnels
  thunderbolt: Add XDomain UUID exchange support
  thunderbolt: Run tb_xdp_handle_request() in system workqueue
  thunderbolt: Do not tear down tunnels when driver is unloaded
  thunderbolt: Add support for Display Port tunnels
  thunderbolt: Rework NFC credits handling
  thunderbolt: Generalize port finding routines to support all port types
  thunderbolt: Scan only valid NULL adapter ports in hotplug
  thunderbolt: Add support for full PCIe daisy chains
  thunderbolt: Discover preboot PCIe paths the boot firmware established
  thunderbolt: Deactivate all paths before restarting them
  thunderbolt: Extend tunnel creation to more than 2 adjacent switches
  thunderbolt: Add helper function to iterate from one port to another
  ...
      c0286f56
    • M
      w1: fix the resume command API · 62909da8
      由 Mariusz Bialonczyk 提交于 
      >From the DS2408 datasheet [1]:
"Resume Command function checks the status of the RC flag and, if it is set,
 directly transfers control to the control functions, similar to a Skip ROM
 command. The only way to set the RC flag is through successfully executing
 the Match ROM, Search ROM, Conditional Search ROM, or Overdrive-Match ROM
 command"

The function currently works perfectly fine in a multidrop bus, but when we
have only a single slave connected, then only a Skip ROM is used and Match
ROM is not called at all. This is leading to problems e.g. with single one
DS2408 connected, as the Resume Command is not working properly and the
device is responding with failing results after the Resume Command.

This commit is fixing this by using a Skip ROM instead in those cases.
The bandwidth / performance advantage is exactly the same.

Refs:
[1] https://datasheets.maximintegrated.com/en/ds/DS2408.pdfSigned-off-by: NMariusz Bialonczyk <manio@skyboo.net>
Reviewed-by: NJean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
      62909da8
    • P
      misc: aspeed-p2a-ctrl: fix mixed declarations · 94001602
      由 Patrick Venture 提交于 
      Fix up mixed declarations and code in aspeed_p2a_mmap.

Tested: Verified the build had the error and that this patch resolved it
and there were no other warnings or build errors associated with
compilation of this driver.
Reported-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPatrick Venture <venture@google.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
      94001602
  7. 26 4月, 2019 3 次提交