Re: [PATCH 3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification
On 05/24/2013 11:31 PM, Kishon Vijay Abraham I wrote: > Modified dwc3-omap to receive connect and disconnect notification using > extcon framework. Also did the necessary cleanups required after > adapting to extcon framework. > > Signed-off-by: Kishon Vijay Abraham I > --- > drivers/usb/dwc3/dwc3-omap.c | 80 > +-- > include/linux/usb/dwc3-omap.h | 30 > 2 files changed, 62 insertions(+), 48 deletions(-) > delete mode 100644 include/linux/usb/dwc3-omap.h Hi Kishon, Thi patch is suspended until fix following build error. (If kernel builds extcon fwr as module, dwc3-omap.c happen error message) --- tree: git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon extcon-next head: 30f5d6ea2561c2a54e40b1e8e8f9bb30e064e01b commit: 30f5d6ea2561c2a54e40b1e8e8f9bb30e064e01b [3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification config: i386-randconfig-x14-0530 (attached as .config) All error/warnings: drivers/built-in.o: In function `dwc3_omap_remove': dwc3-omap.c:(.text+0x8c0fa): undefined reference to `extcon_unregister_interest' dwc3-omap.c:(.text+0x8c102): undefined reference to `extcon_unregister_interest' drivers/built-in.o: In function `dwc3_omap_probe': dwc3-omap.c:(.text+0x8c5e6): undefined reference to `extcon_get_extcon_dev' dwc3-omap.c:(.text+0x8c6a4): undefined reference to `extcon_register_interest' dwc3-omap.c:(.text+0x8c6c9): undefined reference to `extcon_register_interest' dwc3-omap.c:(.text+0x8c831): undefined reference to `extcon_get_cable_state' dwc3-omap.c:(.text+0x8c851): undefined reference to `extcon_get_cable_state' --- Also, I missed a issue of this patch. If h/w target use other USB device instead of "palmas-usb", dwc-omap.c driver won't be operating. So, I propose two method about this issue. First, we can get extcon device name through platform data or dt. Two, When use extcon_register_interest() to register notifier block, NULL pointer pass to extcon_register_interest() instead of specific extcon device name(palmas-usb). If extcon_register_interest() check NULL pointer of extcon device name parameter, extcon fwr will find previous registered extcon device and then register notifier block of consumer device driver(dwc3-omap.c) to previous registered extcon device. > + edev = extcon_get_extcon_dev("palmas-usb"); > + if (!edev) { > + dev_dbg(dev, "couldn't get extcon device\n"); > + return -EPROBE_DEFER; > + } > + > spin_lock_init(>lock); > > omap->dev = dev; > omap->irq = irq; > omap->base = base; > + omap->vbus_nb.notifier_call = dwc3_omap_vbus_notifier; > + extcon_register_interest(>extcon_vbus_dev, "palmas-usb", "USB", > + >vbus_nb); > + omap->id_nb.notifier_call = dwc3_omap_id_notifier; > + extcon_register_interest(>extcon_id_dev, "palmas-usb", "USB-HOST", > + >id_nb); > dev->dma_mask = _omap_dma_mask; > > + Thanks, Chanwoo Choi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification
On 05/24/2013 11:31 PM, Kishon Vijay Abraham I wrote: Modified dwc3-omap to receive connect and disconnect notification using extcon framework. Also did the necessary cleanups required after adapting to extcon framework. Signed-off-by: Kishon Vijay Abraham I kis...@ti.com --- drivers/usb/dwc3/dwc3-omap.c | 80 +-- include/linux/usb/dwc3-omap.h | 30 2 files changed, 62 insertions(+), 48 deletions(-) delete mode 100644 include/linux/usb/dwc3-omap.h Hi Kishon, Thi patch is suspended until fix following build error. (If kernel builds extcon fwr as module, dwc3-omap.c happen error message) --- tree: git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon extcon-next head: 30f5d6ea2561c2a54e40b1e8e8f9bb30e064e01b commit: 30f5d6ea2561c2a54e40b1e8e8f9bb30e064e01b [3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification config: i386-randconfig-x14-0530 (attached as .config) All error/warnings: drivers/built-in.o: In function `dwc3_omap_remove': dwc3-omap.c:(.text+0x8c0fa): undefined reference to `extcon_unregister_interest' dwc3-omap.c:(.text+0x8c102): undefined reference to `extcon_unregister_interest' drivers/built-in.o: In function `dwc3_omap_probe': dwc3-omap.c:(.text+0x8c5e6): undefined reference to `extcon_get_extcon_dev' dwc3-omap.c:(.text+0x8c6a4): undefined reference to `extcon_register_interest' dwc3-omap.c:(.text+0x8c6c9): undefined reference to `extcon_register_interest' dwc3-omap.c:(.text+0x8c831): undefined reference to `extcon_get_cable_state' dwc3-omap.c:(.text+0x8c851): undefined reference to `extcon_get_cable_state' --- Also, I missed a issue of this patch. If h/w target use other USB device instead of palmas-usb, dwc-omap.c driver won't be operating. So, I propose two method about this issue. First, we can get extcon device name through platform data or dt. Two, When use extcon_register_interest() to register notifier block, NULL pointer pass to extcon_register_interest() instead of specific extcon device name(palmas-usb). If extcon_register_interest() check NULL pointer of extcon device name parameter, extcon fwr will find previous registered extcon device and then register notifier block of consumer device driver(dwc3-omap.c) to previous registered extcon device. + edev = extcon_get_extcon_dev(palmas-usb); + if (!edev) { + dev_dbg(dev, couldn't get extcon device\n); + return -EPROBE_DEFER; + } + spin_lock_init(omap-lock); omap-dev = dev; omap-irq = irq; omap-base = base; + omap-vbus_nb.notifier_call = dwc3_omap_vbus_notifier; + extcon_register_interest(omap-extcon_vbus_dev, palmas-usb, USB, + omap-vbus_nb); + omap-id_nb.notifier_call = dwc3_omap_id_notifier; + extcon_register_interest(omap-extcon_id_dev, palmas-usb, USB-HOST, + omap-id_nb); dev-dma_mask = dwc3_omap_dma_mask; + Thanks, Chanwoo Choi -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification
On 05/24/2013 11:31 PM, Kishon Vijay Abraham I wrote: > Modified dwc3-omap to receive connect and disconnect notification using > extcon framework. Also did the necessary cleanups required after > adapting to extcon framework. > > Signed-off-by: Kishon Vijay Abraham I > --- > drivers/usb/dwc3/dwc3-omap.c | 80 > +-- > include/linux/usb/dwc3-omap.h | 30 > 2 files changed, 62 insertions(+), 48 deletions(-) > delete mode 100644 include/linux/usb/dwc3-omap.h > > I check the code about extcon framework. Acked-by: Chanwoo Choi Thanks, Chanwoo Choi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 3/3] usb: dwc3: use extcon fwrk to receive connect/disconnect notification
On 05/24/2013 11:31 PM, Kishon Vijay Abraham I wrote: Modified dwc3-omap to receive connect and disconnect notification using extcon framework. Also did the necessary cleanups required after adapting to extcon framework. Signed-off-by: Kishon Vijay Abraham I kis...@ti.com --- drivers/usb/dwc3/dwc3-omap.c | 80 +-- include/linux/usb/dwc3-omap.h | 30 2 files changed, 62 insertions(+), 48 deletions(-) delete mode 100644 include/linux/usb/dwc3-omap.h I check the code about extcon framework. Acked-by: Chanwoo Choi cw00.c...@samsung.com Thanks, Chanwoo Choi -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/