On Mon, Dec 02, 2019 at 06:18:22PM +0100, Bartosz Golaszewski wrote: > pon., 2 gru 2019 o 14:03 Guenter Roeck <linux@xxxxxxxxxxxx> napisał(a): > > > > On 12/1/19 11:40 PM, Bartosz Golaszewski wrote: > > > pon., 2 gru 2019 o 05:14 Guenter Roeck <linux@xxxxxxxxxxxx> napisał(a): > > >> > > >> On Thu, Oct 03, 2019 at 11:29:12AM +0200, Bartosz Golaszewski wrote: > > >>> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > > >>> > > >>> 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 <bgolaszewski@xxxxxxxxxxxx> > > >> > > >> 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://git.kernel.org/pub/scm/linux/kernel/git/dtor/input > > >> # good: [89d57dddd7d319ded00415790a0bb3c954b7e386] Merge tag 'media/v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media > > >> git bisect start 'HEAD' '89d57dddd7d3' > > >> # good: [0a6cad5df541108cfd3fbd79eef48eb824c89bdc] Merge branch 'vmwgfx-coherent' of git://people.freedesktop.org/~thomash/linux into drm-next > > >> git bisect good 0a6cad5df541108cfd3fbd79eef48eb824c89bdc > > >> # bad: [9a3d7fd275be4559277667228902824165153c80] Merge tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core > > >> git bisect bad 9a3d7fd275be4559277667228902824165153c80 > > >> # good: [59274c7164807d27b24e6c068dfe734f7bea4623] Merge tag 'usb-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb > > >> 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.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc > > >> git bisect good 8f56e4ebe05c26c30e167519273843476e39e244 > > >> # good: [8bde9f3d2a217d1635a7c7bdf8ad4c25c9a34b50] Merge tag 'iio-for-5.5c' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio 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. > > > > Yeah, it touched "early" devices after all... > > > Sorry, I don't understand "everywhere". It fails in mainline and -next, if that is what you mean. > > I referred to "All my qemu boot tests" when saying everywhere. > Yes, it affects all my sh and sheb qemu boot tests. See https://kerneltests.org/builders/. > I don't have any relevant HW - the idea for this patch is to stop > compiling for everyone a bunch of code that's only used by one largely > irrelevant architecture and free the namespace for a generic early > platform drivers implementation. > > How are you creating your SH qemu images? I'm seeing there's something > in buildroot for superh - maybe I'll be able to build something > useful. > I use buildroot. Various root file systems and scripts are at https://github.com/groeck/linux-build-test/tree/master/rootfs/{sh,sheb} Guenter
