On 01/19/13 18:18, Hauke Mehrtens wrote: > On 01/18/2013 03:33 PM, Piotr Haber wrote: >> Hi, >> >> I turned GPIO support in bcma (CONFIG_BCMA_DRIVER_GPIO) >> and get this in log: >> >> bcma: bus0: Found chip with id 0xA8D8, rev 0x01 and package 0x0A >> bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x22, class 0x0) >> bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x17, class 0x0) >> bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x0F, class 0x0) >> bcma: bus0: Found rev 6 PMU (capabilities 0x108C2606) >> bcma: bus0: SPROM offset 0x830 >> bcma: bus0: PMU resource config unknown or not needed for device 0xA8D8 >> gpiochip_add: gpios -1..14 (bcma_gpio) failed to register >> bcma: bus0: Error registering GPIO driver: -28 >> bcma: bus0: Bus registered >> bcma: bus1: Found chip with id 0x4313, rev 0x01 and package 0x08 >> bcma: bus1: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x24, class 0x0) >> bcma: bus1: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x18, class 0x0) >> bcma: bus1: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x11, class 0x0) >> bcma: bus1: Found rev 8 PMU (capabilities 0x084C3008) >> bcma: bus1: SPROM offset 0x830 >> gpiochip_add: gpios -1..14 (bcma_gpio) failed to register >> bcma: bus1: Error registering GPIO driver: -28 >> bcma: bus1: Bus registered >> bcma: bus2: Found chip with id 0x4313, rev 0x01 and package 0x08 >> bcma: bus2: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x24, class 0x0) >> bcma: bus2: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x18, class 0x0) >> bcma: bus2: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x11, class 0x0) >> bcma: bus2: Found rev 8 PMU (capabilities 0x084C3008) >> bcma: bus2: SPROM offset 0x830 >> gpiochip_add: gpios -1..14 (bcma_gpio) failed to register >> bcma: bus2: Error registering GPIO driver: -28 >> bcma: bus2: Bus registered >> >> does that mean that gpio is not usable? > > At least it is not usable through the standard linux gpio interface. > >> what might be the problem? > > Is this -28 (ENOSPC) originally returned in gpiochip_find_base() in > drivers/gpio/gpiolib.c? > I have no idea what's going wrong here, could you provide me with your > kernel config and what kernel version are you using? > i'm on v3.8-rc2, will update to latest wireless-testing and give it a try again -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
