Bug#920945: sdhci Card Reader in Laptop not working in Debian but works in other distros.

From	thomasw@fastmail.cn
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#920945: sdhci Card Reader in Laptop not working in Debian but works in other distros.
Date	2019-01-30 19:50 +0100
Message-ID	<xm35U-2KV-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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package: linux-image-amd64
The card reader is device 8086:9df5 and seems to use the sdhci_pci module. I tested with Buster which is kernel 4.19 at the time of testing. The following message is printed multiple times in dmesg but the card reader does not start.

[ 194.701899] sdhci-pci 0000:00:14.5: SDHCI controller found [8086:9df5] (rev 11)

In other distros (Arch and Ubuntu with a combination of kernels 4.18, 4.19, and 4.20) where the card reader works, the above message is printed once in addition to a few more messages which are.

[ 9.461848] sdhci-pci 0000:00:14.5: enabling device (0000 -> 0002)
[ 9.465085] mmc0: SDHCI controller on PCI [0000:00:14.5] using ADMA

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Bug#920945: sdhci Card Reader in Laptop not working in Debian but works in other distros. thomasw@fastmail.cn - 2019-01-30 19:50 +0100
  Bug#920945:  thomasw@fastmail.cn - 2019-02-09 12:20 +0100

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