[v6] I3C: master: svc: collect all patches to improve hotjoin stability

[PATCH v6 0/6] I3C: master: svc: collect all patches to improve hotjoin stability

Posted by Frank Li 1 month, 3 weeks ago

This patches is splited from
https://lore.kernel.org/linux-i3c/ZvrAuOBLgi+HtrPD@lizhi-Precision-Tower-5810/T/#t

It needs more discussion about dt assign address issue about i3c framework.

This series is svc driver improvement and bug fixes for hotjoin. It fixes
all kinds hotjoin problem when 2 devices random hotjoin and A normal data
transfer is on going.

This patch version start from v5, which exact the same as old series's v4.

See each patches for detail issue.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
Changes in v6:
- see each patch
- Link to v5: https://lore.kernel.org/r/20241001-svc-i3c-hj-v5-0-480ab8aed849@nxp.com

---
Frank Li (6):
      i3c: master: svc: use repeat start when IBI WIN happens
      i3c: master: svc: manually emit NACK/ACK for hotjoin
      i3c: master: svc: need check IBIWON for dynamic address assignment
      i3c: master: svc: use spin_lock_irqsave at svc_i3c_master_ibi_work()
      i3c: master: svc: wait for Manual ACK/NACK Done before next step
      i3c: master: svc: fix possible assignment of the same address to two devices

 drivers/i3c/master/svc-i3c-master.c | 124 +++++++++++++++++++++++++++---------
 1 file changed, 94 insertions(+), 30 deletions(-)
---
base-commit: 77df9e4bb2224d8ffbddec04c333a9d7965dad6c
change-id: 20241001-svc-i3c-hj-bbaba68cf1ea

Best regards,
---
Frank Li <Frank.Li@nxp.com>

Re: [PATCH v6 0/6] I3C: master: svc: collect all patches to improve hotjoin stability

Posted by Alexandre Belloni 3 weeks, 6 days ago

On Wed, 02 Oct 2024 10:50:32 -0400, Frank Li wrote:
> This patches is splited from
> https://lore.kernel.org/linux-i3c/ZvrAuOBLgi+HtrPD@lizhi-Precision-Tower-5810/T/#t
> 
> It needs more discussion about dt assign address issue about i3c framework.
> 
> This series is svc driver improvement and bug fixes for hotjoin. It fixes
> all kinds hotjoin problem when 2 devices random hotjoin and A normal data
> transfer is on going.
> 
> [...]

Applied, thanks!

[1/6] i3c: master: svc: use repeat start when IBI WIN happens
      https://git.kernel.org/abelloni/c/3c6684a15010
[2/6] i3c: master: svc: manually emit NACK/ACK for hotjoin
      https://git.kernel.org/abelloni/c/e22405a812a1
[3/6] i3c: master: svc: need check IBIWON for dynamic address assignment
      https://git.kernel.org/abelloni/c/6a12f56f7392
[4/6] i3c: master: svc: use spin_lock_irqsave at svc_i3c_master_ibi_work()
      https://git.kernel.org/abelloni/c/f36f6624cbac
[5/6] i3c: master: svc: wait for Manual ACK/NACK Done before next step
      https://git.kernel.org/abelloni/c/3ca529194e29
[6/6] i3c: master: svc: fix possible assignment of the same address to two devices
      https://git.kernel.org/abelloni/c/3b2ac810d86e

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com