Messages in this thread | | | Date | Thu, 26 Jan 2012 16:51:50 +0100 | From | Alessandro Rubini <> | Subject | [RFC PATCH 0/2] MFD and GPIO for STA2X11 |
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These two patches introduce multi-function device and GPIO support for the STA2X11 I/O Hub. It's an RFC for both as explained below.
- I think the MFD driver is ok. This MFD_STA2X11 config symbol is autoselected by CONFIG_STA2X11, which is pending in the "x86: initial support for sta2x11" patch, for which I need to send V2 later today, with some minor fixes. Similarly, <asm/sta2x11.h> is not upstream yet, so I'll need to resend later, I suppose.
- The GPIO patch has a quirk: I chose to register a single irq chip for 128 interrupts but the generic irq_chip only support 32 interrupts. I'm sure the hack I did (request the irq descs myself) is not good, but what is the best approach here? Using 4 generic irq chips or defining my own, non-generic one?
Thanks a lot /alessandro
Alessandro Rubini (2): mfd: Add driver for STA2X11 MFD block gpio: add STA2X11 GPIO block
drivers/gpio/Kconfig | 9 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-sta2x11.c | 380 +++++++++++++++++++++++++++++++ drivers/mfd/Kconfig | 6 + drivers/mfd/Makefile | 1 + drivers/mfd/sta2x11-mfd.c | 470 +++++++++++++++++++++++++++++++++++++++ include/linux/mfd/sta2x11-mfd.h | 186 +++++++++++++++ 7 files changed, 1053 insertions(+), 0 deletions(-) create mode 100644 drivers/gpio/gpio-sta2x11.c create mode 100644 drivers/mfd/sta2x11-mfd.c create mode 100644 include/linux/mfd/sta2x11-mfd.h
-- 1.7.7.2
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