[PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Bartosz Golaszewski]

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

GPIOLIB expects the array of lookup entries to be terminated with an
empty member. We need to increase the size of the variable length array
in the lookup table by 1.

Fixes: 21f252cd29f0 ("spi: bcm2835: reduce the abuse of the GPIO API")
Reported-by: Hans de Goede <hdegoede@redhat.com>
Closes: https://lore.kernel.org/lkml/29764d46-8d3d-9794-bbde-d7928a91cbb5@redhat.com/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/spi/spi-bcm2835.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index c9078fee3662..e709887eb2a9 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -1299,7 +1299,7 @@ static int bcm2835_spi_setup(struct spi_device *spi)
 	 * More on the problem that it addresses:
 	 *   https://www.spinics.net/lists/linux-gpio/msg36218.html
 	 */
-	lookup = kzalloc(struct_size(lookup, table, 1), GFP_KERNEL);
+	lookup = kzalloc(struct_size(lookup, table, 2), GFP_KERNEL);
 	if (!lookup) {
 		ret = -ENOMEM;
 		goto err_cleanup;
-- 
2.39.2

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Andy Shevchenko]

On Wed, Oct 04, 2023 at 08:39:06PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> GPIOLIB expects the array of lookup entries to be terminated with an
> empty member. We need to increase the size of the variable length array
> in the lookup table by 1.

Right and seems we (used to?) have the same mistake spread over the kernel.
Perhaps a helper at some point?

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

-- 
With Best Regards,
Andy Shevchenko

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Bartosz Golaszewski]

On Thu, Oct 5, 2023 at 11:10 AM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> On Wed, Oct 04, 2023 at 08:39:06PM +0200, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > GPIOLIB expects the array of lookup entries to be terminated with an
> > empty member. We need to increase the size of the variable length array
> > in the lookup table by 1.
>
> Right and seems we (used to?) have the same mistake spread over the kernel.

Almost all lookup tables are static and have a sentinel appended. The
temporary lookup hack is only used here and in the int3472 driver
AFAIK so it's not that bad.

> Perhaps a helper at some point?
>

I don't want to make it a habit for people. This is still a hack, just
less bad than what was here before. So I don't think we need a helper
here.

Bart

> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>
> --
> With Best Regards,
> Andy Shevchenko
>
>

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Linus Walleij]

On Wed, Oct 4, 2023 at 8:39 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:


> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> GPIOLIB expects the array of lookup entries to be terminated with an
> empty member. We need to increase the size of the variable length array
> in the lookup table by 1.
>
> Fixes: 21f252cd29f0 ("spi: bcm2835: reduce the abuse of the GPIO API")
> Reported-by: Hans de Goede <hdegoede@redhat.com>
> Closes: https://lore.kernel.org/lkml/29764d46-8d3d-9794-bbde-d7928a91cbb5@redhat.com/
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

OK my bad (I think?)
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Mark Brown]

On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:
> GPIOLIB expects the array of lookup entries to be terminated with an
> empty member. We need to increase the size of the variable length array
> in the lookup table by 1.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: bcm2835: add a sentinel at the end of the lookup array
      commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Bartosz Golaszewski]

On Tue, Oct 10, 2023 at 8:33 PM Mark Brown <broonie@kernel.org> wrote:
>
> On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:
> > GPIOLIB expects the array of lookup entries to be terminated with an
> > empty member. We need to increase the size of the variable length array
> > in the lookup table by 1.
> >
> >
>
> Applied to
>
>    https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
>
> Thanks!
>
> [1/1] spi: bcm2835: add a sentinel at the end of the lookup array
>       commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f
>
> All being well this means that it will be integrated into the linux-next
> tree (usually sometime in the next 24 hours) and sent to Linus during
> the next merge window (or sooner if it is a bug fix), however if
> problems are discovered then the patch may be dropped or reverted.
>
> You may get further e-mails resulting from automated or manual testing
> and review of the tree, please engage with people reporting problems and
> send followup patches addressing any issues that are reported if needed.
>
> If any updates are required or you are submitting further changes they
> should be sent as incremental updates against current git, existing
> patches will not be replaced.
>
> Please add any relevant lists and maintainers to the CCs when replying
> to this mail.
>
> Thanks,
> Mark
>

Mark,

Can you provide me with an immutable branch containing commit
21f252cd29f08892d48739fd7513ad79c1cff96a (the one this one fixes)?

We are very close to removing gpiochip_find() from the GPIOLIB and
with this pulled we could remove it for v6.7.

Bart

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Mark Brown]

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On Wed, Oct 11, 2023 at 09:36:19AM +0200, Bartosz Golaszewski wrote:
> On Tue, Oct 10, 2023 at 8:33 PM Mark Brown <broonie@kernel.org> wrote:
> > On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:

> > [1/1] spi: bcm2835: add a sentinel at the end of the lookup array
> >       commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f

> Can you provide me with an immutable branch containing commit
> 21f252cd29f08892d48739fd7513ad79c1cff96a (the one this one fixes)?

> We are very close to removing gpiochip_find() from the GPIOLIB and
> with this pulled we could remove it for v6.7.

Ugh, *please* say this sort of thing when sending patches rather than
waiting until after they've been applied.  The default is just to add
patches to the normal development branches which means they have the
whole history for the release cycle after them and may well have other
things applied on top of them before you get round to asking for them to
be applied on a different branch as is the case here.

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Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Bartosz Golaszewski]

On Wed, Oct 11, 2023 at 1:45 PM Mark Brown <broonie@kernel.org> wrote:
>
> On Wed, Oct 11, 2023 at 09:36:19AM +0200, Bartosz Golaszewski wrote:
> > On Tue, Oct 10, 2023 at 8:33 PM Mark Brown <broonie@kernel.org> wrote:
> > > On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:
>
> > > [1/1] spi: bcm2835: add a sentinel at the end of the lookup array
> > >       commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f
>
> > Can you provide me with an immutable branch containing commit
> > 21f252cd29f08892d48739fd7513ad79c1cff96a (the one this one fixes)?
>
> > We are very close to removing gpiochip_find() from the GPIOLIB and
> > with this pulled we could remove it for v6.7.
>
> Ugh, *please* say this sort of thing when sending patches rather than
> waiting until after they've been applied.  The default is just to add
> patches to the normal development branches which means they have the
> whole history for the release cycle after them and may well have other
> things applied on top of them before you get round to asking for them to
> be applied on a different branch as is the case here.

I'm sorry. I didn't expect the removal process to go as fast as there
were quite a few users but it turned out to be almost ready now.

We can wait until rc7 when your for-next branch will be more or less
immutable and then you can tag
21f252cd29f08892d48739fd7513ad79c1cff96a alone (it only has a few
commits between it and v6.6-rc1) if that works for you?

Bart

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Bartosz Golaszewski]

On Wed, Oct 11, 2023 at 1:52 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>
> On Wed, Oct 11, 2023 at 1:45 PM Mark Brown <broonie@kernel.org> wrote:
> >
> > On Wed, Oct 11, 2023 at 09:36:19AM +0200, Bartosz Golaszewski wrote:
> > > On Tue, Oct 10, 2023 at 8:33 PM Mark Brown <broonie@kernel.org> wrote:
> > > > On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:
> >
> > > > [1/1] spi: bcm2835: add a sentinel at the end of the lookup array
> > > >       commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f
> >
> > > Can you provide me with an immutable branch containing commit
> > > 21f252cd29f08892d48739fd7513ad79c1cff96a (the one this one fixes)?
> >
> > > We are very close to removing gpiochip_find() from the GPIOLIB and
> > > with this pulled we could remove it for v6.7.
> >
> > Ugh, *please* say this sort of thing when sending patches rather than
> > waiting until after they've been applied.  The default is just to add
> > patches to the normal development branches which means they have the
> > whole history for the release cycle after them and may well have other
> > things applied on top of them before you get round to asking for them to
> > be applied on a different branch as is the case here.
>
> I'm sorry. I didn't expect the removal process to go as fast as there
> were quite a few users but it turned out to be almost ready now.
>
> We can wait until rc7 when your for-next branch will be more or less
> immutable and then you can tag
> 21f252cd29f08892d48739fd7513ad79c1cff96a alone (it only has a few
> commits between it and v6.6-rc1) if that works for you?
>
> Bart

Alternatively - if you send your SPI PR to Linus early in the merge
window, I will send the patch removing gpiochip_find() later on top of
it?

Bart

Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Mark Brown]

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On Thu, Oct 12, 2023 at 10:40:53AM +0200, Bartosz Golaszewski wrote:
> On Wed, Oct 11, 2023 at 1:52 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:

> > I'm sorry. I didn't expect the removal process to go as fast as there
> > were quite a few users but it turned out to be almost ready now.

> > We can wait until rc7 when your for-next branch will be more or less
> > immutable and then you can tag
> > 21f252cd29f08892d48739fd7513ad79c1cff96a alone (it only has a few
> > commits between it and v6.6-rc1) if that works for you?

I spent some time yesterday looking at pulling out a branch but there's
other dependencies way back in the history so that's probably not going
to work well.

> Alternatively - if you send your SPI PR to Linus early in the merge
> window, I will send the patch removing gpiochip_find() later on top of
> it?

I tend to send all my PRs the morning the merge window opens so that'd
not be a problem.  If I send you a PR at -rc7 you'd realistically want
to wait until that was merged before sending yours anyway.

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Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Mark Brown]

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On Thu, Oct 12, 2023 at 10:40:53AM +0200, Bartosz Golaszewski wrote:

> Alternatively - if you send your SPI PR to Linus early in the merge
> window, I will send the patch removing gpiochip_find() later on top of
> it?

The following changes since commit 0bb80ecc33a8fb5a682236443c1e740d5c917d1d:

  Linux 6.6-rc1 (2023-09-10 16:28:41 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-bcm2835-sentinel

for you to fetch changes up to 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f:

  spi: bcm2835: add a sentinel at the end of the lookup array (2023-10-10 13:12:11 +0100)

----------------------------------------------------------------
spi: Share current state with GPIO tree

This is the current state of the SPI tree, shared with the GPIO tree in
order to facilitate some treewide improvements there.  Unfortunaetly the
desire for this treewide work was realised after all the SPI patches had
been applied and there were further dependencies with similar issues
that caused issues trying to pull things out into a minimal branch.

It's expected that this will be merged into Linus' tree as part of the
full SPI pull request before the GPIO changes go in.

----------------------------------------------------------------
Andy Shevchenko (3):
      spidev: Decrease indentation level in spidev_ioctl() SPI_IOC_RD_MODE*
      spidev: Switch to use spi_get_csgpiod()
      spidev: Simplify SPI_IOC_RD_MODE* cases in spidev_ioctl()

Bartosz Golaszewski (2):
      spi: bcm2835: reduce the abuse of the GPIO API
      spi: bcm2835: add a sentinel at the end of the lookup array

Christophe JAILLET (1):
      spi: at91-usart: Remove some dead code

Dhruva Gole (2):
      spi: spi-cadence-quadspi: add runtime pm support
      spi: spi-cadence-quadspi: Fix missing unwind goto warnings

Geert Uytterhoeven (1):
      spi: mpc52xx-psc: Make mpc52xx_psc_spi_transfer_one_message() static

Greg Kroah-Hartman (1):
      spi: spidev: make spidev_class constant

Kees Cook (1):
      spi: mchp-pci1xxxx: Annotate struct pci1xxxx_spi with __counted_by

Li Zetao (25):
      spi: ar934x: Use helper function devm_clk_get_enabled()
      spi: armada-3700: Use helper function devm_clk_get_prepared()
      spi: aspeed: Use helper function devm_clk_get_enabled()
      spi: ath79: Use helper function devm_clk_get_enabled()
      spi: spi-axi-spi-engine: Use helper function devm_clk_get_enabled()
      spi: bcm2835: Use helper function devm_clk_get_enabled()
      spi: bcm2835aux: Use helper function devm_clk_get_enabled()
      spi: spi-cadence: Use helper function devm_clk_get_enabled()
      spi: spi-cavium-thunderx: Use helper function devm_clk_get_enabled()
      spi: davinci: Use helper function devm_clk_get_enabled()
      spi: dw-bt1: Use helper function devm_clk_get_enabled()
      spi: dw-mmio: Use helper function devm_clk_get_*()
      spi: spi-fsl-dspi: Use helper function devm_clk_get_enabled()
      spi: lantiq-ssc: Use helper function devm_clk_get_enabled()
      spi: meson-spicc: Use helper function devm_clk_get_enabled()
      spi: spi-meson-spifc: Use helper function devm_clk_get_enabled()
      spi: microchip-core-qspi: Use helper function devm_clk_get_enabled()
      spi: microchip-core: Use helper function devm_clk_get_enabled()
      spi: mtk-snfi: Use helper function devm_clk_get_enabled()
      spi: npcm-fiu: Use helper function devm_clk_get_enabled()
      spi: orion: Use helper function devm_clk_get_enabled()
      spi: pic32-sqi: Use helper function devm_clk_get_enabled()
      spi: pic32: Use helper function devm_clk_get_enabled()
      spi: spl022: Use helper function devm_clk_get_enabled()
      spi: rockchip: Use helper function devm_clk_get_enabled()

Mark Brown (6):
      spi: sun6i: fix RX data corruption in DMA mode
      Merge existing fixes from spi/for-6.6 into new branch
      spidev: A few cleanups
      spi: switch to use modern name (part3)
      spi: Use devm_clk_get_*() helper function to
      spi: qup: Allow scaling power domains and

Rob Herring (3):
      spi: dt-bindings: arm,pl022: Move child node properties to separate schema
      spi: dt-bindings: st,stm32-spi: Move "st,spi-midi-ns" to spi-peripheral-props.yaml
      spi: dt-bindings: Make "additionalProperties: true" explicit

Stephan Gerhold (4):
      spi: dt-bindings: qup: Document power-domains and OPP
      spi: qup: Parse OPP table for DVFS support
      spi: dt-bindings: qup: Document interconnects
      spi: qup: Vote for interconnect bandwidth to DRAM

Uwe Kleine-König (1):
      spi: Drop warning from spi_stop_queue()

Vaishnav Achath (1):
      spi: omap2-mcspi: Fix hardcoded reference clock

Vijaya Krishna Nivarthi (1):
      spi: spi-geni-qcom: Rename the label unmap_if_dma

Yang Yingliang (21):
      spi: lm70llp: switch to use modern name
      spi: lp-8841: switch to use modern name
      spi: meson-spicc: switch to use modern name
      spi: meson-spifc: switch to use modern name
      spi: microchip-core-qspi: switch to use modern name
      spi: microchip-core: switch to use modern name
      spi: mpc512x-psc: switch to use modern name
      spi: mpc52xx-psc: switch to use modern name
      spi: mpc52xx: switch to use modern name
      spi: mt65xx: switch to use modern name
      spi: mt7621: switch to use modern name
      spi: mtk-nor: switch to use modern name
      spi: mtk-snfi: switch to use modern name
      spi: mux: switch to use spi_alloc_host()
      spi: mxic: switch to use modern name
      spi: mxs: switch to use modern name
      spi: npcm-pspi: switch to use modern name
      spi: nxp-fspi: switch to use modern name
      spi: oc-tiny: switch to use modern name
      spi: omap-uwire: switch to use modern name
      spi: omap2-mcspi: switch to use modern name

Zhang Shurong (1):
      spi: tegra: Fix missing IRQ check in tegra_slink_probe()

 .../bindings/spi/allwinner,sun4i-a10-spi.yaml      |   2 +
 .../bindings/spi/allwinner,sun6i-a31-spi.yaml      |   2 +
 .../bindings/spi/arm,pl022-peripheral-props.yaml   |  61 +++++
 .../bindings/spi/nvidia,tegra210-quad.yaml         |   1 +
 .../devicetree/bindings/spi/qcom,spi-qup.yaml      |  13 +
 .../devicetree/bindings/spi/rockchip-sfc.yaml      |   2 +
 .../devicetree/bindings/spi/snps,dw-apb-ssi.yaml   |   2 +
 .../bindings/spi/spi-peripheral-props.yaml         |   6 +
 .../devicetree/bindings/spi/spi-pl022.yaml         |  51 ----
 .../devicetree/bindings/spi/st,stm32-spi.yaml      |  20 --
 drivers/spi/spi-ar934x.c                           |  22 +-
 drivers/spi/spi-armada-3700.c                      |  23 +-
 drivers/spi/spi-aspeed-smc.c                       |  16 +-
 drivers/spi/spi-at91-usart.c                       |  22 +-
 drivers/spi/spi-ath79.c                            |  11 +-
 drivers/spi/spi-axi-spi-engine.c                   |  25 +-
 drivers/spi/spi-bcm2835.c                          |  69 +++---
 drivers/spi/spi-bcm2835aux.c                       |  23 +-
 drivers/spi/spi-cadence-quadspi.c                  |  45 +++-
 drivers/spi/spi-cadence.c                          |  23 +-
 drivers/spi/spi-cavium-thunderx.c                  |   8 +-
 drivers/spi/spi-davinci.c                          |  11 +-
 drivers/spi/spi-dw-bt1.c                           |  23 +-
 drivers/spi/spi-dw-mmio.c                          |  31 +--
 drivers/spi/spi-fsl-dspi.c                         |  12 +-
 drivers/spi/spi-geni-qcom.c                        |   6 +-
 drivers/spi/spi-lantiq-ssc.c                       |  10 +-
 drivers/spi/spi-lm70llp.c                          |  20 +-
 drivers/spi/spi-lp8841-rtc.c                       |  56 ++---
 drivers/spi/spi-meson-spicc.c                      | 121 ++++------
 drivers/spi/spi-meson-spifc.c                      |  79 +++----
 drivers/spi/spi-microchip-core-qspi.c              |  39 +--
 drivers/spi/spi-microchip-core.c                   |  83 +++----
 drivers/spi/spi-mpc512x-psc.c                      |  54 ++---
 drivers/spi/spi-mpc52xx-psc.c                      |  38 +--
 drivers/spi/spi-mpc52xx.c                          |  56 ++---
 drivers/spi/spi-mt65xx.c                           | 190 +++++++--------
 drivers/spi/spi-mt7621.c                           |  50 ++--
 drivers/spi/spi-mtk-nor.c                          |  14 +-
 drivers/spi/spi-mtk-snfi.c                         |  67 +-----
 drivers/spi/spi-mux.c                              |   2 +-
 drivers/spi/spi-mxic.c                             |  68 +++---
 drivers/spi/spi-mxs.c                              |  70 +++---
 drivers/spi/spi-npcm-fiu.c                         |  14 +-
 drivers/spi/spi-npcm-pspi.c                        |  68 +++---
 drivers/spi/spi-nxp-fspi.c                         |  30 +--
 drivers/spi/spi-oc-tiny.c                          |  30 +--
 drivers/spi/spi-omap-uwire.c                       |  32 +--
 drivers/spi/spi-omap2-mcspi.c                      | 263 +++++++++++----------
 drivers/spi/spi-orion.c                            |  11 +-
 drivers/spi/spi-pci1xxxx.c                         |   2 +-
 drivers/spi/spi-pic32-sqi.c                        |  27 +--
 drivers/spi/spi-pic32.c                            |   8 +-
 drivers/spi/spi-pl022.c                            |  11 +-
 drivers/spi/spi-qup.c                              |  50 +++-
 drivers/spi/spi-rockchip.c                         |  30 +--
 drivers/spi/spi-tegra20-slink.c                    |   2 +
 drivers/spi/spi.c                                  |   4 -
 drivers/spi/spidev.c                               |  42 ++--
 59 files changed, 969 insertions(+), 1202 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/spi/arm,pl022-peripheral-props.yaml

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Re: [PATCH] spi: bcm2835: add a sentinel at the end of the lookup array

[Mark Brown]

On Wed, 04 Oct 2023 20:39:06 +0200, Bartosz Golaszewski wrote:
> GPIOLIB expects the array of lookup entries to be terminated with an
> empty member. We need to increase the size of the variable length array
> in the lookup table by 1.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: bcm2835: add a sentinel at the end of the lookup array
      commit: 9aaa25df9b02bfe5579cbc9b4cc1177c662ec33f

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark