Hi everybody, MMC support seems to be broken on kernel 4.4.X as opposed to kernel 4.3.X on Lenovo Yoga 8 inch tablet. Kernel 4.3.X report: <6>[ 2.051236] mmc0: MAN_BKOPS_EN bit is not set <6>[ 2.077376] mmc0: new HS200 MMC card at address 0001 <6>[ 2.078390] mmcblk0: mmc0:0001 SEM32G 29.1 GiB <6>[ 2.078940] mmcblk0boot0: mmc0:0001 SEM32G partition 1 4.00 MiB <6>[ 2.079505] mmcblk0boot1: mmc0:0001 SEM32G partition 2 4.00 MiB <6>[ 2.079952] mmcblk0rpmb: mmc0:0001 SEM32G partition 3 4.00 MiB <6>[ 2.085209] mmcblk0: p1 p2 <6>[ 2.222903] mmc1: new ultra high speed DDR50 SDIO card at address 0001 Kernel 4.4.X report: <6>[ 2.102615] mmc0: MAN_BKOPS_EN bit is not set <6>[ 2.114463] mmc0: new HS200 MMC card at address 0001 <6>[ 2.115505] mmcblk0: mmc0:0001 SEM32G 29.1 GiB <6>[ 2.115779] mmcblk0boot0: mmc0:0001 SEM32G partition 1 4.00 MiB <6>[ 2.116101] mmcblk0boot1: mmc0:0001 SEM32G partition 2 4.00 MiB <6>[ 2.116395] mmcblk0rpmb: mmc0:0001 SEM32G partition 3 4.00 MiB <6>[ 2.119932] mmcblk0: p1 p2 <6>[ 2.267193] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock <3>[ 2.267200] mmc1: tuning execution failed <3>[ 2.267273] mmc1: error -5 whilst initialising SDIO card <3>[ 2.277268] mmc1: Controller never released inhibit bit(s). <3>[ 2.279733] mmc1: Unexpected interrupt 0x04000000. <6>[ 2.427192] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock <3>[ 2.427198] mmc1: tuning execution failed <3>[ 2.427250] mmc1: error -5 whilst initialising SDIO card <3>[ 2.437254] mmc1: Controller never released inhibit bit(s). <3>[ 2.439836] mmc1: Unexpected interrupt 0x04000000. <6>[ 2.591191] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock <3>[ 2.591197] mmc1: tuning execution failed <3>[ 2.591259] mmc1: error -5 whilst initialising SDIO card <3>[ 2.601253] mmc1: Controller never released inhibit bit(s). <3>[ 2.603792] mmc1: Unexpected interrupt 0x04000000. <6>[ 2.779193] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock <3>[ 2.779199] mmc1: tuning execution failed <3>[ 2.779262] mmc1: error -5 whilst initialising SDIO card <3>[ 2.789256] mmc1: Controller never released inhibit bit(s). <3>[ 2.791753] mmc1: Unexpected interrupt 0x04000000. The result is that SDIO devices (Broadcom wifi and bluetooth) are not listed when running kernel 4.4.X as opposed to 4.3.X Here is the report of the harware inside the Lenovo Yoga 8 inch tablet: acpi 80860F09:00 acpi:80860F09:80860F09: pwm_lpss_platform pwm_lpss_platform acpi 80860F09:01 acpi:80860F09:80860F09: pwm_lpss_platform pwm_lpss_platform acpi 80860F0A:00 acpi:80860F0A:80860F0A: 8250_dw 8250_dw acpi 80860F0A:01 acpi:80860F0A:80860F0A: 8250_dw 8250_dw acpi 80860F0E:00 acpi:80860F0E:80860F0E: spi_pxa2xx_platform spi_pxa2xx_platform acpi 80860F14:00 acpi:80860F14:PNP0D40: acpi 80860F14:01 acpi:80860F14:PNP0D40: acpi 80860F28:00 acpi:80860F28:80860F28: snd_soc_sst_acpi+snd_intel_sst_acpi snd_soc_sst_acpi+snd_intel_sst_acpi acpi 80860F41:00 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:01 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:02 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:03 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:04 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:05 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi 80860F41:06 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform acpi ACCL0001:00 acpi:ACCL0001:INTACEL: acpi ACPI0003:00 acpi:ACPI0003: acpi ACPI000C:00 acpi:ACPI000C:ACPI000C: acpi_pad acpi_pad acpi BCM2E84:00 acpi:BCM2E84: acpi CALS0001:00 acpi:CALS0001:INTLALS: acpi HISP0011:00 acpi:HISP0011:HISP0011: acpi IMPJ0001:00 acpi:IMPJ0001:IMPJ0001: acpi IMPJ0002:00 acpi:IMPJ0002:IMPJ0002: acpi IMPJ0003:00 acpi:IMPJ0003:IMPJ0003: acpi INT0002:00 acpi:INT0002:INT0002: acpi INT0800:00 acpi:INT0800: acpi INT3396:00 acpi:INT3396:PNP0D80: acpi INT33BB:00 acpi:INT33BB:PNP0D40: acpi INT33BD:00 acpi:INT33BD:INT33BD: acpi INT33FC:00 acpi:INT33FC:INT33FC: acpi INT33FC:01 acpi:INT33FC:INT33FC: acpi INT33FC:02 acpi:INT33FC:INT33FC: acpi INT33FD:00 acpi:INT33FD:INT33FD: acpi INT3400:00 acpi:INT3400: int3400_thermal int3400_thermal acpi INT3401:00 acpi:INT3401: processor_thermal_device processor_thermal_device acpi INT3402:00 acpi:INT3402: int3402_thermal int3402_thermal acpi INT3403:00 acpi:INT3403: int3403_thermal int3403_thermal acpi INT3403:01 acpi:INT3403: int3403_thermal int3403_thermal acpi INT3403:02 acpi:INT3403: int3403_thermal int3403_thermal acpi INT3403:03 acpi:INT3403: int3403_thermal int3403_thermal acpi INT3403:04 acpi:INT3403: int3403_thermal int3403_thermal acpi INT3406:00 acpi:INT3406: acpi INT3407:00 acpi:INT3407: acpi INT3409:00 acpi:INT3409: acpi INTCFD9:00 acpi:INTCFD9:PNP0C40: soc_button_array soc_button_array acpi INTL9C60:00 acpi:INTL9C60: dw_dmac dw_dmac acpi INTL9C60:01 acpi:INTL9C60: dw_dmac dw_dmac acpi LNV4752:00 acpi:LNV4752: rfkill_gpio rfkill_gpio acpi LNXCPU:00 acpi:LNXCPU: acpi LNXCPU:01 acpi:LNXCPU: acpi LNXCPU:02 acpi:LNXCPU: acpi LNXCPU:03 acpi:LNXCPU: acpi LNXPOWER:00 acpi:LNXPOWER: acpi LNXPOWER:01 acpi:LNXPOWER: acpi LNXPOWER:02 acpi:LNXPOWER: acpi LNXPOWER:03 acpi:LNXPOWER: acpi LNXPOWER:04 acpi:LNXPOWER: acpi LNXPOWER:05 acpi:LNXPOWER: acpi LNXPOWER:06 acpi:LNXPOWER: acpi LNXSYBUS:00 acpi:LNXSYBUS: acpi LNXSYBUS:01 acpi:LNXSYBUS: acpi LNXSYSTM:00 acpi:LNXSYSTM: acpi LNXTHERM:00 acpi:LNXTHERM: acpi LNXVIDEO:00 acpi:LNXVIDEO: video video acpi MAGN0001:00 acpi:MAGN0001:INTMAGN: acpi MAX17047:00 acpi:MAX17047:MAX17047: acpi MCD0001:00 acpi:MCD0001:MCD0001: acpi MSFT0101:00 acpi:MSFT0101: tpm_crb tpm_crb acpi MXM1120:00 acpi:MXM1120: acpi OVTI8865:00 acpi:OVTI8865:OVTI8865: acpi OVTI9760:00 acpi:OVTI9760:OVTI9760: acpi PNP0000:00 acpi:PNP0000: acpi PNP0100:00 acpi:PNP0100: acpi PNP0103:00 acpi:PNP0103: acpi PNP0501:00 acpi:PNP0501: 8250_fintek 8250_fintek acpi PNP0A08:00 acpi:PNP0A08:PNP0A03: acpi PNP0B00:00 acpi:PNP0B00: acpi PNP0C02:00 acpi:PNP0C02: acpi PNP0C02:01 acpi:PNP0C02: acpi PNP0C0A:00 acpi:PNP0C0A: acpi PNP0C0D:00 acpi:PNP0C0D: acpi PNP0C0F:00 acpi:PNP0C0F: acpi PNP0C0F:01 acpi:PNP0C0F: acpi PNP0C0F:02 acpi:PNP0C0F: acpi PNP0C0F:03 acpi:PNP0C0F: acpi PNP0C0F:04 acpi:PNP0C0F: acpi PNP0C0F:05 acpi:PNP0C0F: acpi PNP0C0F:06 acpi:PNP0C0F: acpi PNP0C0F:07 acpi:PNP0C0F: acpi SMB0349:00 acpi:SMB0349:SMB0349: acpi SRCL0001:00 acpi:SRCL0001:INTSRCL: acpi SYNA0001:00 acpi:SYNA0001:PNP0C50: i2c_hid i2c_hid acpi WM510205:00 acpi:WM510205:WM510205: hid 0003:04D9:2517.0002 hid:b0003g0001v000004D9p00002517 hid_generic hid_generic hid 0003:04D9:2517.0003 hid:b0003g0001v000004D9p00002517 hid_generic hid_generic hid 0018:2ABB:8101.0001 hid:b0018g0004v00002ABBp00008101 hid_multitouch hid_multitouch i2c i2c-ACCL0001:00 acpi:ACCL0001:INTACEL: i2c i2c-CALS0001:00 acpi:CALS0001:INTLALS: i2c i2c-INT33FD:00 acpi:INT33FD:INT33FD: i2c i2c-MXM1120:00 acpi:MXM1120: i2c i2c-OVTI8865:00 acpi:OVTI8865:OVTI8865: i2c i2c-OVTI9760:00 acpi:OVTI9760:OVTI9760: i2c i2c-SYNA0001:00 acpi:SYNA0001:PNP0C50: i2c_hid i2c_hid mei mei::2a13f92f-b34c-41af-ba0f-33c459a28c10 mei::2ff9132a4cb3af41ba0f33c459a28c10: mei mei::309dcde8-ccb1-4062-8f78-600115a34327 mei::e8cd9d30b1cc62408f78600115a34327: mei mei::3c4852d6-d47b-4f46-b05e-b5edc1aa430a mei::d652483c7bd4464fb05eb5edc1aa430a: mei mei::3c4852d6-d47b-4f46-b05e-b5edc1aa440e mei::d652483c7bd4464fb05eb5edc1aa440e: mei mei::55213584-9a29-4916-badf-0fb7ed682aeb mei::84352155299a1649badf0fb7ed682aeb: mei mei::b638ab7e-94e2-4ea2-a552-d1c54b627f04 mei::7eab38b6e294a24ea552d1c54b627f04: mei mei::f908627d-13bf-4a04-b91f-a64e9245323d mei::7d6208f9bf13044ab91fa64e9245323d: mei mei::fa8f55e8-ab22-42dd-b916-7dce39002574 mei::e8558ffa22abdd42b9167dce39002574: mei mei:pn544:0bb17a78-2a8e-4c50-94d4-50266723775c mei:pn544:787ab10b8e2a504c94d450266723775c: pn544_mei pn544_mei pci 0000:00:00.0 pci:v00008086d00000F00sv00008086sd00007270bc06sc00i00 pci 0000:00:02.0 pci:v00008086d00000F31sv00008086sd00007270bc03sc00i00 i915 i915 pci 0000:00:14.0 pci:v00008086d00000F35sv00008086sd00007270bc0Csc03i30 pci 0000:00:1a.0 pci:v00008086d00000F18sv00008086sd00007270bc10sc80i00 mei_txe mei_txe pci 0000:00:1f.0 pci:v00008086d00000F1Csv00008086sd00007270bc06sc01i00 lpc_ich lpc_ich platform 80860F0A:00 acpi:80860F0A:80860F0A: 8250_dw 8250_dw platform 80860F0A:01 acpi:80860F0A:80860F0A: 8250_dw 8250_dw platform 80860F0E:00 acpi:80860F0E:80860F0E: spi_pxa2xx_platform spi_pxa2xx_platform platform 80860F14:00 acpi:80860F14:PNP0D40: platform 80860F14:01 acpi:80860F14:PNP0D40: platform 80860F28:00 acpi:80860F28:80860F28: snd_soc_sst_acpi+snd_intel_sst_acpi snd_soc_sst_acpi+snd_intel_sst_acpi platform 80860F41:00 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:01 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:02 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:03 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:04 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:05 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform 80860F41:06 acpi:80860F41:80860F41: i2c_designware_platform i2c_designware_platform platform ACPI0003:00 acpi:ACPI0003: platform ACPI000C:00 acpi:ACPI000C:ACPI000C: acpi_pad acpi_pad platform BCM2E84:00 acpi:BCM2E84: platform Fixed MDIO bus.0 platform:Fixed MDIO bus platform INT0002:00 acpi:INT0002:INT0002: platform INT0800:00 acpi:INT0800: platform INT3396:00 acpi:INT3396:PNP0D80: platform INT33BB:00 acpi:INT33BB:PNP0D40: platform INT33BD:00 acpi:INT33BD:INT33BD: platform INT33FC:00 acpi:INT33FC:INT33FC: platform INT33FC:01 acpi:INT33FC:INT33FC: platform INT33FC:02 acpi:INT33FC:INT33FC: platform INT3400:00 acpi:INT3400: int3400_thermal int3400_thermal platform INT3401:00 acpi:INT3401: processor_thermal_device processor_thermal_device platform INT3403:01 acpi:INT3403: int3403_thermal int3403_thermal platform INT3403:02 acpi:INT3403: int3403_thermal int3403_thermal platform INT3403:04 acpi:INT3403: int3403_thermal int3403_thermal platform INT3406:00 acpi:INT3406: platform INT3407:00 acpi:INT3407: platform INTCFD9:00 acpi:INTCFD9:PNP0C40: soc_button_array soc_button_array platform INTL9C60:00 acpi:INTL9C60: dw_dmac dw_dmac platform INTL9C60:01 acpi:INTL9C60: dw_dmac dw_dmac platform LNV4752:00 acpi:LNV4752: rfkill_gpio rfkill_gpio platform MSFT0101:00 acpi:MSFT0101: tpm_crb tpm_crb platform PNP0103:00 acpi:PNP0103: platform PNP0C0D:00 acpi:PNP0C0D: platform SRCL0001:00 acpi:SRCL0001:INTSRCL: platform alarmtimer platform:alarmtimer platform clk-lpt platform:clk-lpt platform crystal_cove_adc platform:crystal_cove_adc platform crystal_cove_bcu platform:crystal_cove_bcu platform crystal_cove_gpio platform:crystal_cove_gpio platform crystal_cove_pmic platform:crystal_cove_pmic platform crystal_cove_pwm platform:crystal_cove_pwm platform crystal_cove_pwrsrc platform:crystal_cove_pwrsrc platform crystal_cove_thermal platform:crystal_cove_thermal platform e820_pmem platform:e820_pmem platform efi-framebuffer.0 platform:efi-framebuffer platform gpio-keys.0.auto platform:gpio-keys gpio_keys gpio_keys platform gpio-keys.1.auto platform:gpio-keys gpio_keys gpio_keys platform iTCO_wdt.2.auto platform:iTCO_wdt iTCO_wdt iTCO_wdt platform microcode platform:microcode platform pcspkr platform:pcspkr pcspkr+snd_pcsp pcspkr platform reg-dummy platform:reg-dummy platform regulatory.0 platform:regulatory platform serial8250 platform:serial8250 platform snd-soc-dummy platform:snd-soc-dummy sdio mmc1:0001:1 sdio:c00v02D0d4324 brcmfmac brcmfmac sdio mmc1:0001:2 sdio:c00v02D0d4324 brcmfmac brcmfmac usb 1-0:1.0 usb:v1D6Bp0002d0403dc09dsc00dp01ic09isc00ip00in00 usb 1-1:1.0 usb:v04D9p2517d0100dc00dsc00dp00ic03isc01ip01in00 usbhid+usbkbd usbhid+usbkbd usb 1-1:1.1 usb:v04D9p2517d0100dc00dsc00dp00ic03isc01ip02in01 usbhid+usbmouse usbhid+usbmouse usb 2-0:1.0 usb:v1D6Bp0003d0403dc09dsc00dp03ic09isc00ip00in00 Regards, Hubert Tonneau -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
