From: Alessandro Rubini <rubini@gnudd.com>
To: broonie@opensource.wolfsonmicro.com
Cc: grant.likely@secretlab.ca, linux-kernel@vger.kernel.org,
giancarlo.asnaghi@st.com, alan@linux.intel.com,
sameo@linux.intel.com, linus.walleij@stericsson.com
Subject: Re: [PATCH V3 2/2] gpio: add STA2X11 GPIO block
Date: Mon, 14 May 2012 12:06:45 +0200 [thread overview]
Message-ID: <20120514100645.GA5712@mail.gnudd.com> (raw)
In-Reply-To: <20120514095800.GL31985@opensource.wolfsonmicro.com>
> If you use platform data why would you get unpredicatable numbers?
Because I request the irq numbers from the gpio driver (now I request
a free slot starting from 384, because previous drivers had it
hardwired). So if the gpio driver requests a slot starting from 0 it
may get different values -- in general I can't now what it gets.
So the irq number is unknown at compile time, and can't be written in
the platform data.
Actually, the problem is there in any case if you plug two chips in
the same computer -- this is extremely unlikely because the sta2x11 is
currently only used as a motherboard chipset. The thing must be
fixed in any case, because it's a pci device, but still using 384
allows me to use platform data for the current drivers that I'm running
until they are ported to upstream quality standards.
/alessandro
next prev parent reply other threads:[~2012-05-14 10:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-12 8:48 [PATCH V3 0/2] MFD and GPIO for STA2X11 Alessandro Rubini
2012-04-12 8:48 ` [PATCH V3 1/2] mfd: Add driver for STA2X11 MFD block Alessandro Rubini
2012-04-16 18:05 ` Samuel Ortiz
2012-04-16 18:11 ` Alessandro Rubini
2012-05-09 13:37 ` Samuel Ortiz
2012-04-12 8:48 ` [PATCH V3 2/2] gpio: add STA2X11 GPIO block Alessandro Rubini
2012-04-12 15:05 ` Linus Walleij
2012-04-13 11:44 ` Alessandro Rubini
2012-04-13 12:32 ` Linus Walleij
2012-04-13 16:34 ` Linus Walleij
2012-05-09 13:40 ` Samuel Ortiz
2012-05-11 23:34 ` Grant Likely
2012-05-14 7:25 ` Alessandro Rubini
2012-05-14 9:47 ` Mark Brown
2012-05-14 9:51 ` Alessandro Rubini
2012-05-14 9:58 ` Mark Brown
2012-05-14 10:06 ` Alessandro Rubini [this message]
2012-05-14 10:08 ` Mark Brown
2012-05-18 9:10 ` Samuel Ortiz
2012-04-16 17:55 ` [PATCH V3 0/2] MFD and GPIO for STA2X11 Samuel Ortiz
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