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Let's take one step back for a moment. Please tell me how this compares to any existing driver currently present in drivers/mfd. I'm 100% sure this H/W is not different to anything we've seen before. Thus, my advice is to base it off of a piece of code that has been previously accepted and take it from there. > sdc_mfd.h | 61 +++++++ > sdc_pci.c | 92 ++++++++++ > 3 files changed, 666 insertions(+) > create mode 100644 sdc_mfd.c > create mode 100644 sdc_mfd.h > create mode 100644 sdc_pci.c -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog