The patch titled spi: core and gpio expanders use subsys_init has been added to the -mm tree. Its filename is spi-core-and-gpio-expanders-use-subsys_init.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: spi: core and gpio expanders use subsys_init From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx> Make the SPI external GPIO expander drivers register themselves at subsys_initcall() time when they're statically linked, and make the SPI core do its driver model initialization earlier so that's safe. SOC-integrated GPIOs are available starting very early -- often before initcalls start to run, or earily in arch_initcall() at latest -- so this improves consistency, letting more subsystems rely on GPIOs being usable by their own subsys_initcall() code. Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/gpio/max7301.c | 6 ++++-- drivers/gpio/mcp23s08.c | 5 ++++- drivers/spi/spi.c | 2 +- 3 files changed, 9 insertions(+), 4 deletions(-) diff -puN drivers/gpio/max7301.c~spi-core-and-gpio-expanders-use-subsys_init drivers/gpio/max7301.c --- a/drivers/gpio/max7301.c~spi-core-and-gpio-expanders-use-subsys_init +++ a/drivers/gpio/max7301.c @@ -325,13 +325,15 @@ static int __init max7301_init(void) { return spi_register_driver(&max7301_driver); } +/* register after spi postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(max7301_init); static void __exit max7301_exit(void) { spi_unregister_driver(&max7301_driver); } - -module_init(max7301_init); module_exit(max7301_exit); MODULE_AUTHOR("Juergen Beisert"); diff -puN drivers/gpio/mcp23s08.c~spi-core-and-gpio-expanders-use-subsys_init drivers/gpio/mcp23s08.c --- a/drivers/gpio/mcp23s08.c~spi-core-and-gpio-expanders-use-subsys_init +++ a/drivers/gpio/mcp23s08.c @@ -419,7 +419,10 @@ static int __init mcp23s08_init(void) { return spi_register_driver(&mcp23s08_driver); } -module_init(mcp23s08_init); +/* register after spi postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(mcp23s08_init); static void __exit mcp23s08_exit(void) { diff -puN drivers/spi/spi.c~spi-core-and-gpio-expanders-use-subsys_init drivers/spi/spi.c --- a/drivers/spi/spi.c~spi-core-and-gpio-expanders-use-subsys_init +++ a/drivers/spi/spi.c @@ -738,5 +738,5 @@ err0: * driver registration) _could_ be dynamically linked (modular) ... costs * include needing to have boardinfo data structures be much more public. */ -subsys_initcall(spi_init); +postcore_initcall(spi_init); _ Patches currently in -mm which might be from dbrownell@xxxxxxxxxxxxxxxxxxxxx are rtc-fix-kernel-panic-on-second-use-of-sigio-nofitication.patch orion_spi-fix-handling-of-default-transfer-speed.patch git-arm.patch git-avr32.patch git-x86.patch git-mtd.patch acpi-cope-with-pnpacpi-tables-missing-an-rtc-entry.patch spi-simplify-spi_write_then_read.patch spi_s3c24xx-pin-configuration-updates.patch pxa2xx_spi-minor-cleanup.patch pxa2xx_spi-fix-chip_info-defaults-and-documentation.patch orion_spi-handle-88f6183-erratum.patch spi-core-and-gpio-expanders-use-subsys_init.patch rtc-ds1307-alarm-support-for-ds1337-ds1339.patch rtc-remove-some-nop-open-release-methods.patch legacy-rtc-remove-needless-confusing-hpet_rtc_irq-option.patch rtc-file-close-consistently-disables-repeating-irqs.patch rtc-cmos-strongly-avoid-hpet-emulation.patch rtc-cmos-export-second-nvram-bank.patch make-gpiochip-label-const.patch gpio-i2c-expanders-use-subsys_init.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html