From: bugzilla-daemon@bugzilla.kernel.org
To: linuxppc-dev@lists.ozlabs.org
Subject: [Bug 199471] [Bisected][Regression] windfarm_pm* no longer gets automatically loaded when CONFIG_I2C_POWERMAC=y is set
Date: Sun, 01 Mar 2020 19:46:12 +0000 [thread overview]
Message-ID: <bug-199471-206035-zBUmo8uSE3@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-199471-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=199471
--- Comment #11 from Erhard F. (erhard_f@mailbox.org) ---
(In reply to Wolfram Sang from comment #8)
> "This has been quite nice since 4.?.x up to 4.16.x as you only need
> CONFIG_I2C_POWERMAC=y which selects the proper windfarm_pmXX at boot time."
>
> I can't find that in the code. Are you sure i2c-powermac requested that
> module?
I guess so 'cause if I build i2c_powermac as a module and manually modprobe it,
all the relevant windfarm modules get pulled in. But not before.
# modprobe -v i2c_powermac
insmod
/lib/modules/4.16.18-PowerMacG5+/kernel/drivers/i2c/busses/i2c-powermac.ko
# dmesg | tail
[ 150.181478] 11
[ 150.182851] 0
[ 150.184220] 0
[ 150.626685] windfarm: Backside control loop started.
[ 150.690132] windfarm: Slots control loop started.
[ 150.794843] i2c i2c-0: master_xfer[0] W, addr=0x50, len=1
[ 150.796467] i2c i2c-0: master_xfer[1] R, addr=0x50, len=8
[ 150.801851] i2c i2c-0: NAK from device addr 0x50 msg #0
[ 150.807758] windfarm: Drive bay control loop started.
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next prev parent reply other threads:[~2020-03-01 19:48 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-199471-206035@https.bugzilla.kernel.org/>
2020-02-25 15:29 ` [Bug 199471] windfarm_pm72 no longer gets automatically loaded when CONFIG_I2C_POWERMAC=y is set (regression) bugzilla-daemon
2020-03-01 19:14 ` bugzilla-daemon
2020-03-01 19:17 ` bugzilla-daemon
2020-03-01 19:46 ` bugzilla-daemon [this message]
2020-03-01 20:02 ` [Bug 199471] [Bisected][Regression] windfarm_pm* no longer gets automatically loaded when CONFIG_I2C_POWERMAC=y is set bugzilla-daemon
2020-03-01 20:10 ` bugzilla-daemon
2020-03-01 20:10 ` bugzilla-daemon
2020-03-02 13:13 ` bugzilla-daemon
2020-03-02 14:48 ` bugzilla-daemon
2020-03-02 15:39 ` bugzilla-daemon
2020-03-02 15:40 ` bugzilla-daemon
2020-03-03 12:54 ` bugzilla-daemon
2020-04-23 1:21 ` bugzilla-daemon
2020-04-23 1:36 ` bugzilla-daemon
2020-04-23 6:11 ` bugzilla-daemon
2020-04-24 3:12 ` bugzilla-daemon
2020-04-24 7:55 ` bugzilla-daemon
2020-04-24 18:33 ` bugzilla-daemon
2020-04-28 3:14 ` bugzilla-daemon
2020-04-28 3:14 ` bugzilla-daemon
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