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From: Herve Codina <herve.codina@bootlin.com>
To: Vadim Fedorenko <vadim.fedorenko@linux.dev>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	Herve Codina <herve.codina@bootlin.com>,
	Yury Norov <yury.norov@gmail.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	Andrew Lunn <andrew@lunn.ch>,
	Mark Brown <broonie@kernel.org>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: [RESEND PATCH v3 0/6] Add support for QMC HDLC
Date: Mon, 12 Feb 2024 08:56:35 +0100
Message-ID: <20240212075646.19114-8-herve.codina@bootlin.com>
In-Reply-To: <20240212075646.19114-1-herve.codina@bootlin.com>
References: <20240212075646.19114-1-herve.codina@bootlin.com>
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Hi,

Note: Resent this v3 series with missing maintainers added in CC.

This series introduces the QMC HDLC support.

Patches were previously sent as part of a full feature series and were
previously reviewed in that context:
"Add support for QMC HDLC, framer infrastructure and PEF2256 framer" [1]

In order to ease the merge, the full feature series has been split and
needed parts were merged in v6.8-rc1:
 - "Prepare the PowerQUICC QMC and TSA for the HDLC QMC driver" [2]
 - "Add support for framer infrastructure and PEF2256 framer" [3]

This series contains patches related to the QMC HDLC part (QMC HDLC
driver):
 - Introduce the QMC HDLC driver (patches 1 and 2)
 - Add timeslots change support in QMC HDLC (patch 3)
 - Add framer support as a framer consumer in QMC HDLC (patch 4)

Compare to the original full feature series, a modification was done on
patch 3 in order to use a coherent prefix in the commit title.

I kept the patches unsquashed as they were previously sent and reviewed.
Of course, I can squash them if needed.

Compared to the previous iteration:
  https://lore.kernel.org/linux-kernel/20240130084035.115086-1-herve.codina@bootlin.com/
this v3 series:
- Remove 'inline' function specifier from .c file.
- Fixed a bug introduced in the previous iteration.
- Remove one lock/unlock sequence in the QMC HDCL xmit path.
- Use bitmap_from_u64().

Best regards,
Hervé

[1]: https://lore.kernel.org/linux-kernel/20231115144007.478111-1-herve.codina@bootlin.com/
[2]: https://lore.kernel.org/linux-kernel/20231205152116.122512-1-herve.codina@bootlin.com/
[3]: https://lore.kernel.org/linux-kernel/20231128132534.258459-1-herve.codina@bootlin.com/

Changes v2 -> v3
  - Patch 1
    Remove 'inline' function specifier from .c file.
    Fix a bug introduced when added WARN_ONCE(). The warn condition must
    be desc->skb (descriptor used) instead of !desc->skb.
    Remove a lock/unlock section locking the entire qmc_hdlc_xmit()
    function.

  - Patch 5
    Use bitmap_from_u64() everywhere instead of bitmap_from_arr32() and
    bitmap_from_arr64().

Changes v1 -> v2
  - Patch 1
    Use the same qmc_hdlc initialisation in qmc_hcld_recv_complete()
    than the one present in qmc_hcld_xmit_complete().
    Use WARN_ONCE()

  - Patch 3 (new patch in v2)
    Make bitmap_onto() available to users

  - Patch 4 (new patch in v2)
    Introduce bitmap_off()

  - Patch 5 (patch 3 in v1)
    Use bitmap_*() functions

  - Patch 6 (patch 4 in v1)
    No changes

Changes compare to the full feature series:
  - Patch 3
    Use 'net: wan: fsl_qmc_hdlc:' as commit title prefix

Patches extracted:
  - Patch 1 : full feature series patch 7
  - Patch 2 : full feature series patch 8
  - Patch 3 : full feature series patch 20
  - Patch 4 : full feature series patch 27

Herve Codina (6):
  net: wan: Add support for QMC HDLC
  MAINTAINERS: Add the Freescale QMC HDLC driver entry
  bitmap: Make bitmap_onto() available to users
  bitmap: Introduce bitmap_off()
  net: wan: fsl_qmc_hdlc: Add runtime timeslots changes support
  net: wan: fsl_qmc_hdlc: Add framer support

 MAINTAINERS                    |   7 +
 drivers/net/wan/Kconfig        |  12 +
 drivers/net/wan/Makefile       |   1 +
 drivers/net/wan/fsl_qmc_hdlc.c | 807 +++++++++++++++++++++++++++++++++
 include/linux/bitmap.h         |   3 +
 lib/bitmap.c                   |  45 +-
 6 files changed, 874 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/wan/fsl_qmc_hdlc.c

-- 
2.43.0