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SubjectRe: [PATCH v4 1/2] drivers: move the early platform device support to arch/sh
On 12/1/19 11:40 PM, Bartosz Golaszewski wrote:
> pon., 2 gru 2019 o 05:14 Guenter Roeck <> napisał(a):
>> On Thu, Oct 03, 2019 at 11:29:12AM +0200, Bartosz Golaszewski wrote:
>>> From: Bartosz Golaszewski <>
>>> SuperH is the only user of the current implementation of early platform
>>> device support. We want to introduce a more robust approach to early
>>> probing. As the first step - move all the current early platform code
>>> to arch/sh.
>>> In order not to export internal drivers/base functions to arch code for
>>> this temporary solution - copy the two needed routines for driver
>>> matching from drivers/base/platform.c to arch/sh/drivers/platform_early.c.
>>> Also: call early_platform_cleanup() from subsys_initcall() so that it's
>>> called after all early devices are probed.
>>> Signed-off-by: Bartosz Golaszewski <>
>> Wondering ... has anyone tested this patch on affected hardware ?
>> All my qemu boot tests (both sh and sheb) fail because of it.
>> Bisect log below.
>> Guenter
>> ---
>> # bad: [72c0870e3a05d9cd5466d08c3d2a3069ed0a2f9f] Merge branch 'for-linus' of git://
>> # good: [89d57dddd7d319ded00415790a0bb3c954b7e386] Merge tag 'media/v5.5-1' of git://
>> git bisect start 'HEAD' '89d57dddd7d3'
>> # good: [0a6cad5df541108cfd3fbd79eef48eb824c89bdc] Merge branch 'vmwgfx-coherent' of git:// into drm-next
>> git bisect good 0a6cad5df541108cfd3fbd79eef48eb824c89bdc
>> # bad: [9a3d7fd275be4559277667228902824165153c80] Merge tag 'driver-core-5.5-rc1' of git://
>> git bisect bad 9a3d7fd275be4559277667228902824165153c80
>> # good: [59274c7164807d27b24e6c068dfe734f7bea4623] Merge tag 'usb-5.5-rc1' of git://
>> git bisect good 59274c7164807d27b24e6c068dfe734f7bea4623
>> # good: [e71903106721dc53923e90aa484d78bc86c039a9] staging: mt7621-dma: align to match open parenthesis
>> git bisect good e71903106721dc53923e90aa484d78bc86c039a9
>> # good: [8f56e4ebe05c26c30e167519273843476e39e244] Merge tag 'char-misc-5.5-rc1' of git://
>> git bisect good 8f56e4ebe05c26c30e167519273843476e39e244
>> # good: [8bde9f3d2a217d1635a7c7bdf8ad4c25c9a34b50] Merge tag 'iio-for-5.5c' of into staging-next
>> git bisect good 8bde9f3d2a217d1635a7c7bdf8ad4c25c9a34b50
>> # bad: [0628cda318df6baec439ca6e6e274007492f1ccd] mac80211: Use debugfs_create_xul() helper
>> git bisect bad 0628cda318df6baec439ca6e6e274007492f1ccd
>> # bad: [03324507e66c7664c754b1ef92c5c3be24c78aa2] driver core: Allow fwnode_operations.add_links to differentiate errors
>> git bisect bad 03324507e66c7664c754b1ef92c5c3be24c78aa2
>> # bad: [313f5dbba41d905d59c820bb2d91ee6c661aff99] debugfs: remove return value of debugfs_create_u16()
>> git bisect bad 313f5dbba41d905d59c820bb2d91ee6c661aff99
>> # good: [d4387cd117414ba80230f27a514be5ca4a09cfcc] of: property: Create device links for all child-supplier depencencies
>> git bisect good d4387cd117414ba80230f27a514be5ca4a09cfcc
>> # bad: [c31e73121f4c1ec45a3e523ac6ce3ce6dafdcec1] base: soc: Handle custom soc information sysfs entries
>> git bisect bad c31e73121f4c1ec45a3e523ac6ce3ce6dafdcec1
>> # bad: [201e91091b1d47047f55580b5474e1239f4d17aa] sh: add the sh_ prefix to early platform symbols
>> git bisect bad 201e91091b1d47047f55580b5474e1239f4d17aa
>> # bad: [507fd01d5333338753a1cc26322dfc9f856c109f] drivers: move the early platform device support to arch/sh
>> git bisect bad 507fd01d5333338753a1cc26322dfc9f856c109f
>> # first bad commit: [507fd01d5333338753a1cc26322dfc9f856c109f] drivers: move the early platform device support to arch/sh
> Hi Guenter,
> can you post some bootlogs? Is it the same problem everywhere?

I don't have any useful logs. The boot fails too early for that.

Sorry, I don't understand "everywhere". It fails in mainline and -next, if that is what you mean.
And, yes, it has failed in -next for a while, looking back at the log history.


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