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| Filename | Latest commit message | Latest commit date |
|---|---|---|
c2f787f904
commit 4a601da92c2a782e5c022680d476104586b74994 upstream.
The current pin muxing scheme muxes GPIO_1 pad for USB_OTG_ID
because of which when card is inserted, usb otg is enumerated
and the card is never detected.
[ 64.492645] cfg80211: failed to load regulatory.db
[ 64.492657] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware
[ 76.343711] ci_hdrc ci_hdrc.0: EHCI Host Controller
[ 76.349742] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 2
[ 76.388862] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
[ 76.396650] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08
[ 76.405412] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 76.412763] usb usb2: Product: EHCI Host Controller
[ 76.417666] usb usb2: Manufacturer: Linux 5.8.0-rc1-next-20200618 ehci_hcd
[ 76.424623] usb usb2: SerialNumber: ci_hdrc.0
[ 76.431755] hub 2-0:1.0: USB hub found
[ 76.435862] hub 2-0:1.0: 1 port detected
The TRM mentions GPIO_1 pad should be muxed/assigned for card detect
and ENET_RX_ER pad for USB_OTG_ID for proper operation.
This patch fixes pin muxing as per TRM and is tested on a
i.Core 1.5 MX6 DL SOM.
[ 22.449165] mmc0: host does not support reading read-only switch, assuming write-enable
[ 22.459992] mmc0: new high speed SDHC card at address 0001
[ 22.469725] mmcblk0: mmc0:0001 EB1QT 29.8 GiB
[ 22.478856] mmcblk0: p1 p2
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.