linux-kernel - SPI Kernel Module

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Message-Id: <C95BDB03-E8A4-4FDD-9B0A-8AC6FB98A92E@conniffe.com>
Date:   Tue, 14 Nov 2017 19:37:41 +0000
From:   Harvey Brezina Conniffe <harvey@...niffe.com>
To:     linux-kernel@...r.kernel.org
Subject: SPI Kernel Module

Hi, My name is Harvey Brezina Conniffe and I am currently trying to interface a max3421 chip with a Raspberry Pi using this driver: https://github.com/torvalds/linux/commits/master/drivers/usb/host/max3421-hcd.c . I am a programmer but have basically no experience with kernel modules. I have managed to compile the module and insert it into the kernel on a RaspberryPI( But am basically lost as to what to do next! ), How would I specify which SPI bus to use? Any advice anyone could give me would be greatly appreciated. 
Thanks,
	Harvey.