[PATCH V6] ARM: shmobile: Rework the PMIC IRQ line quirk

[horms@verge.net.au (Simon Horman)]

On Wed, Sep 19, 2018 at 11:21:42AM +0200, Marek Vasut wrote:
> On 09/19/2018 11:13 AM, Simon Horman wrote:
> > On Tue, Sep 18, 2018 at 02:52:53PM +0200, Geert Uytterhoeven wrote:
> >> On Tue, Sep 18, 2018 at 2:23 PM Marek Vasut <marek.vasut@gmail.com> wrote:
> >>> Rather than hard-coding the quirk topology, which stopped scaling,
> >>> parse the information from DT. The code looks for all compatible
> >>> PMICs -- da9063 and da9210 -- and checks if their IRQ line is tied
> >>> to the same pin. If so, the code sends a matching sequence to the
> >>> PMIC to deassert the IRQ.
> >>>
> >>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> >>> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> >>> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> >>> Cc: Simon Horman <horms+renesas@verge.net.au>
> >>> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
> >>> Cc: linux-renesas-soc at vger.kernel.org
> >>> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> >>> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> (on Koelsch)
> >>> ---
> >>> V2: - Replace the DT shared IRQ check loop with memcmp()
> >>>     - Send the I2C message to deassert the IRQ line to all PMICs
> >>>       in the list with shared IRQ line instead of just one
> >>>     - Add comment that this works only in case all the PMICs are
> >>>       on the same I2C bus
> >>> V3: - Drop the addr = 0x00 init
> >>>     - Drop reinit of argsa in rcar_gen2_regulator_quirk
> >>> V4: - Squash regulator_quirk on single line
> >>>     - Drop !np check in for_each_matching_node_and_match()
> >>>     - Use argsa in of_irq_parse_one
> >>> V5: - Check kzalloc failure
> >>>     - Rename da...._msgs to da...._msg
> >>>     - Don't reinit quirk->shared
> >>> V6: - Skip invalid entries instead of aborting on them
> >>
> >> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > 
> > Thanks, applied for v4.20.
> > 
> > Marek, these days checkpatch complains if the author of the patch does not
> > have a signed offline, and the inconsistency between your
> > from and Sign-off the email address trips that check.
> > 
> > Could you consider either a) enhancing checkpatch or b) using
> > the same address twice? No need to take any action for this patch.
> 
> Sure, do you know if there's some tweak to git config , so git
> send-email uses the m.v+foo@ From address ?

Some sort of local config change sounds good to me.

As per the follow-up from Geert, it may require some experimentation.