Hi Rick, On Sun, Sep 09, 2018 at 02:55:42AM -0700, Rick Thomas wrote: > > On Sep 9, 2018, at 1:59 AM, Wolfram Sang <w...@the-dreams.de> wrote: > > > On Sat, Sep 08, 2018 at 02:48:01PM -0700, Rick Thomas wrote: > >> Thanks! Yes, I’ll give it a try. > > > > Note: You can either build the v4.19-rc1 tar ball which has the patch > > already included. Or you can take your Debian kernel and add this patch: > > > > http://patchwork.ozlabs.org/patch/960488/ > > > > You can download it as mbox there which gives you a file to apply. > > Thank you! > > Please remember, I’ve never done this before… so I’ve still got a couple of > questions: > > How do I get a copy of the v4.19-rc1 tar ball, if I decide to go that way? > And once I’ve got it, which section of the kernel handbook do I look in for > instructions to build it? > > And supposing I decide to go the other way and add the patch to my current > kernel (4.18.0-1-powerpc64) how do I get the patch in a form that I can add > it to the kernel? I’m assuming that section 4.2.2 “Simple patching and > building” is where I go for instructions once I’ve got the patch? > > Thanks, and really sorry for my ignorance!
if you want to do the road as described in 4.2.2, please find attached the extracted patch to use as argument to test-patches script. If you want instead to built 4.19-rc1 cf. https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s-kernel-org-package . Regards, Salvatore
From: Wolfram Sang <w...@the-dreams.de> Date: Tue, 21 Aug 2018 17:02:39 +0200 Subject: macintosh: therm_windtunnel: drop using attach_adapter Origin: https://git.kernel.org/linus/3e7bed52719de4b5b5fb900869e293eae0bc3f3e Bug-Debian: https://bugs.debian.org/741663 As we now have deferred probing, we can use a custom mechanism and finally get rid of the legacy interface from the i2c core. Signed-off-by: Wolfram Sang <w...@the-dreams.de> Acked-by: Michael Ellerman <m...@ellerman.id.au> --- drivers/macintosh/therm_windtunnel.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 68dcbcb4fc5b..8c744578122a 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -432,7 +432,6 @@ static struct i2c_driver g4fan_driver = { .driver = { .name = "therm_windtunnel", }, - .attach_adapter = do_attach, .probe = do_probe, .remove = do_remove, .id_table = therm_windtunnel_id, @@ -445,7 +444,29 @@ static struct i2c_driver g4fan_driver = { static int therm_of_probe(struct platform_device *dev) { - return i2c_add_driver( &g4fan_driver ); + struct i2c_adapter *adap; + int ret, i = 0; + + adap = i2c_get_adapter(0); + if (!adap) + return -EPROBE_DEFER; + + ret = i2c_add_driver(&g4fan_driver); + if (ret) { + i2c_put_adapter(adap); + return ret; + } + + /* We assume Macs have consecutive I2C bus numbers starting at 0 */ + while (adap) { + do_attach(adap); + if (x.running) + return 0; + i2c_put_adapter(adap); + adap = i2c_get_adapter(++i); + } + + return -ENODEV; } static int -- 2.19.0.rc2
