Re: [GIT PULL] Immutable tag between the Bluetooth and pwrseq branches for v6.11-rc1

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Hi Bartosz,

On Wed, Jun 19, 2024 at 3:40 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>
> On Wed, Jun 19, 2024 at 8:59 PM Luiz Augusto von Dentz
> <luiz.dentz@xxxxxxxxx> wrote:
> >
> > Hi Bartosz,
> >
> > On Wed, Jun 19, 2024 at 3:35 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > >
> > > On Wed, Jun 12, 2024 at 5:00 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > > >
> > > > On Wed, Jun 12, 2024 at 4:54 PM Luiz Augusto von Dentz
> > > > <luiz.dentz@xxxxxxxxx> wrote:
> > > > >
> > > > > Hi Bartosz,
> > > > >
> > > > > On Wed, Jun 12, 2024 at 10:45 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > > > > >
> > > > > > On Wed, Jun 12, 2024 at 4:43 PM Luiz Augusto von Dentz
> > > > > > <luiz.dentz@xxxxxxxxx> wrote:
> > > > > > >
> > > > > > > Hi Bartosz,
> > > > > > >
> > > > > > > On Wed, Jun 12, 2024 at 3:59 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > > > > > > >
> > > > > > > > From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> > > > > > > >
> > > > > > > > Hi Marcel, Luiz,
> > > > > > > >
> > > > > > > > Please pull the following power sequencing changes into the Bluetooth tree
> > > > > > > > before applying the hci_qca patches I sent separately.
> > > > > > > >
> > > > > > > > Link: https://lore.kernel.org/linux-kernel/20240605174713.GA767261@bhelgaas/T/
> > > > > > > >
> > > > > > > > The following changes since commit 83a7eefedc9b56fe7bfeff13b6c7356688ffa670:
> > > > > > > >
> > > > > > > >   Linux 6.10-rc3 (2024-06-09 14:19:43 -0700)
> > > > > > > >
> > > > > > > > are available in the Git repository at:
> > > > > > > >
> > > > > > > >   git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git tags/pwrseq-initial-for-v6.11
> > > > > > > >
> > > > > > > > for you to fetch changes up to 2f1630f437dff20d02e4b3f07e836f42869128dd:
> > > > > > > >
> > > > > > > >   power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets (2024-06-12 09:20:13 +0200)
> > > > > > > >
> > > > > > > > ----------------------------------------------------------------
> > > > > > > > Initial implementation of the power sequencing subsystem for linux v6.11
> > > > > > > >
> > > > > > > > ----------------------------------------------------------------
> > > > > > > > Bartosz Golaszewski (2):
> > > > > > > >       power: sequencing: implement the pwrseq core
> > > > > > > >       power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets
> > > > > > >
> > > > > > > Is this intended to go via bluetooth-next or it is just because it is
> > > > > > > a dependency of another set? You could perhaps send another set
> > > > > > > including these changes to avoid having CI failing to compile.
> > > > > > >
> > > > > >
> > > > > > No, the pwrseq stuff is intended to go through its own pwrseq tree
> > > > > > hence the PR. We cannot have these commits in next twice.
> > > > >
> > > > > Not following you here, why can't we have these commits on different
> > > > > next trees? If that is the case how can we apply the bluetooth
> > > > > specific ones without causing build regressions?
> > > > >
> > > >
> > > > We can't have the same commits twice with different hashes in next
> > > > because Stephen Rothwell will yell at us both.
> > > >
> > > > Just pull the tag I provided and then apply the Bluetooth specific
> > > > changes I sent on top of it. When sending to Linus Torvalds/David
> > > > Miller (not sure how your tree gets upstream) mention that you pulled
> > > > in the pwrseq changes in your PR cover letter.
> >
> > By pull the tag you mean using merge commits to merge the trees and
> > not rebase, doesn't that lock us down to only doing merge commits
> > rather than rebases later on? I have never used merge commits before.
> > There is some documentation around it that suggests not to use merges:
> >
> > 'While merges from downstream are common and unremarkable, merges from
> > other trees tend to be a red flag when it comes time to push a branch
> > upstream. Such merges need to be carefully thought about and well
> > justified, or there’s a good chance that a subsequent pull request
> > will be rejected.'
> > https://docs.kernel.org/maintainer/rebasing-and-merging.html#merging-from-sibling-or-upstream-trees
> >
> > But then looking forward in that documentation it says:
> >
> > 'Another reason for doing merges of upstream or another subsystem tree
> > is to resolve dependencies. These dependency issues do happen at
> > times, and sometimes a cross-merge with another tree is the best way
> > to resolve them; as always, in such situations, the merge commit
> > should explain why the merge has been done. Take a moment to do it
> > right; people will read those changelogs.'
> >
> > So I guess that is the reason we want to merge the trees, but what I'm
> > really looking forward to is for the 'proper' commands and commit
> > message to use to make sure we don't have problems in the future.
> >
>
> You shouldn't really need to rebase your branch very often anyway.
> This is really for special cases. But even then you can always use:
> `git rebase --rebase-merges` to keep the merge commits.
>
> The commands you want to run are:
>
> git pull git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
> tags/pwrseq-initial-for-v6.11
> git am or b4 shazam on the patches targeting the Bluetooth subsystem
> git push

Not quite working for me:


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