On Thu, Jul 10, 2014 at 01:46:20PM +0200, Wolfram Sang wrote:
> Some drivers were flagged to remove class based instantiation soon to improve
> boot-up time. Originally, I was planning for a longer deprecation time so
> users
> could switch over to some other kind of instantiation. However, the demand for
> the speed up is high enough and class based instantiation is used rarely, so
> the removal takes place now. To make up for the deprecation time, another
> warning is added to the i2c core pointing out that the behaviour has now
> changed:
>
> + /* Warn that the adapter lost class based instantiation */
> + if (adapter->class == I2C_CLASS_DEPRECATED) {
> + dev_dbg(&adapter->dev,
> + "This adapter dropped support for I2C classes and "
> + "won't auto-detect %s devices anymore. If you need it,
> check "
> + "'Documentation/i2c/instantiating-devices' for
> alternatives.\n",
> + driver->driver.name);
> + return 0;
> + }
>
> A branch can be found here (with two other cleanups -> driver removals):
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
> i2c/deprecate_stuff
>
> I hope this meets all the needs. Please comment, ack, test...
>
> Thanks,
>
> Wolfram
>
>
> Wolfram Sang (16):
> i2c: add debug info when class instantiation was dropped
> i2c: i2c-at91: Drop class based scanning to improve bootup time
> i2c: i2c-bcm2835: Drop class based scanning to improve bootup time
> i2c: i2c-bfin-twi: Drop class based scanning to improve bootup time
> i2c: i2c-davinci: Drop class based scanning to improve bootup time
> i2c: i2c-designware-platdrv: Drop class based scanning to improve
> bootup time
> i2c: i2c-mv64xxx: Drop class based scanning to improve bootup time
> i2c: i2c-nomadik: Drop class based scanning to improve bootup time
> i2c: i2c-ocores: Drop class based scanning to improve bootup time
> i2c: i2c-omap: Drop class based scanning to improve bootup time
> i2c: i2c-rcar: Drop class based scanning to improve bootup time
> i2c: i2c-s3c2410: Drop class based scanning to improve bootup time
> i2c: i2c-sirf: Drop class based scanning to improve bootup time
> i2c: i2c-stu300: Drop class based scanning to improve bootup time
> i2c: i2c-tegra: Drop class based scanning to improve bootup time
> i2c: i2c-xiic: Drop class based scanning to improve bootup time
>
> drivers/i2c/busses/i2c-at91.c | 2 +-
> drivers/i2c/busses/i2c-bcm2835.c | 2 +-
> drivers/i2c/busses/i2c-bfin-twi.c | 2 +-
> drivers/i2c/busses/i2c-davinci.c | 2 +-
> drivers/i2c/busses/i2c-designware-platdrv.c | 2 +-
> drivers/i2c/busses/i2c-mv64xxx.c | 2 +-Applied to for-next, thanks!
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