Date: Mon, 26 Mar 2018 16:44:33 -0500 From: Eric van Gyzen <eric@vangyzen.net> To: freebsd-hackers@freebsd.org, FreeBSD Current <freebsd-current@FreeBSD.org> Subject: Realtek RTS525A SD card reader Message-ID: <fdc07dc1-6ada-929b-e3fc-a360e416b1e3@vangyzen.net>
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Is anyone working on a FreeBSD driver for the Realtek RTS525A SD card reader? My new Dell XPS 13 has one: none7@pci0:59:0:0: class=0xff0000 card=0x075b1028 chip=0x525a10ec rev=0x01 hdr=0x00 vendor = 'Realtek Semiconductor Co., Ltd.' device = 'RTS525A PCI Express Card Reader' I see that the OpenBSD rtsx driver supports it: https://github.com/openbsd/src/commit/2c295edd2d779a7f5269c2ae901559edbf040016 I don't know anything about SD/MMC devices and standards, and I'm not familiar with FreeBSD's current SD/MMC code, but I think it would be fun to learn. Does it make sense to try porting this driver, or would someone recommend a different approach? Thanks in advance for any advice. Eric
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