On Monday, March 20, 2017 11:42:56 AM Dmitry Torokhov wrote: > Hi Bartlomiej, > > On Mon, Mar 20, 2017 at 06:19:17PM +0100, Bartlomiej Zolnierkiewicz wrote: > > On Wednesday, March 01, 2017 05:31:01 PM Dmitry Torokhov wrote: > > > Even if bus is not hot-pluggable, devices can be unbound from the > > > driver via sysfs, so we should not be using __exit annotations on > > > remove() methods. The only exception is drivers registered with > > > platform_driver_probe() which specifically disables sysfs bind/unbind > > > attributes. > > > > > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> > > > > Patch queued for 4.12, thanks. > > > > It seems that there are still some fbdev drivers with this issue: > > I do not think so: > > > > > $ git grep __exit_p drivers/video/fbdev/ > > drivers/video/fbdev/amifb.c: .remove = __exit_p(amifb_remove), > > Registered as module_platform_driver_probe(), which ends up suppressing > sysfs bind/unbind attributes. > > > drivers/video/fbdev/atmel_lcdfb.c: .remove = __exit_p(atmel_lcdfb_remove), > > Registered as module_platform_driver_probe(), which ends up suppressing > sysfs bind/unbind attributes. > > > drivers/video/fbdev/omap2/omapfb/displays/connector-analog-tv.c: .remove = __exit_p(tvc_remove), > > drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c: .remove = __exit_p(dvic_remove), > > drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c: .remove = __exit_p(hdmic_remove), > > drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c: .remove = __exit_p(opa362_remove), > > drivers/video/fbdev/omap2/omapfb/displays/encoder-tfp410.c: .remove = __exit_p(tfp410_remove), > > drivers/video/fbdev/omap2/omapfb/displays/encoder-tpd12s015.c: .remove = __exit_p(tpd_remove), > > drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c: .remove = __exit_p(panel_dpi_remove), > > drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c: .remove = __exit_p(dsicm_remove), > > drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c: .remove = __exit_p(sharp_ls_remove), > > As far as I can see all omapfb/displays/ drivers explicitly disable > bind/unbind attributes by setting: > > .suppress_bind_attrs = true, > > > > drivers/video/fbdev/omap2/omapfb/vrfb.c: .remove = __exit_p(vrfb_remove), > > Registered as module_platform_driver_probe(), which ends up suppressing > sysfs bind/unbind attributes. You're right of course, thanks for explaining this and auditing all fbdev drivers. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
