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This reverts commit 22ffd399e6e7aa18ae0314278ed0b7f05f8ab679.
People report this commit causes the driver defer probed, and never
back to work[1][2].
[1] https://lore.kernel.org/lkml/20240407011913.GA168730@nchen-desktop/T/#mc2b93bc11a8b01ec7cd0d0bf6b0b03951d9ef751
[2] https://lore.kernel.org/lkml/20240407011913.GA168730@nchen-desktop/T/#me87d9a2a76c07619d83b3879ea14780da89fbbbf
Cc: Michael Grzeschik <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Cc: Wouter Franken <[email protected]>
Signed-off-by: Peter Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The function ci_usb_phy_init is already handling the
hw_phymode_configure path which is also only possible after we have
a valid phy. So we move the ci_ulpi_init after the phy initialization
to be really sure to be able to communicate with the ulpi phy.
Signed-off-by: Michael Grzeschik <[email protected]>
Acked-by: Peter Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Commit 03e6275ae381 ("usb: chipidea: Fix ULPI on imx51") causes a kernel
hang on imx51 systems that use the ULPI interface and do not select the
CONFIG_USB_CHIPIDEA_ULPI option.
In order to avoid such potential misuse, let's always build the
chipidea ULPI code into the final ci_hdrc object.
Tested on a imx51-babbage board.
Fixes: 03e6275ae381 ("usb: chipidea: Fix ULPI on imx51")
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Peter Chen <[email protected]>
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Now that the SPDX tag is in all USB files, that identifies the license
in a specific and legally-defined manner. So the extra GPL text wording
can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Thierry Reding <[email protected]>
Cc: Jonathan Hunter <[email protected]>
Acked-by: Peter Chen <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/usb/ and include/linux/usb* files with the correct
SPDX license identifier based on the license text in the file itself.
The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <[email protected]>
Cc: Kate Stewart <[email protected]>
Cc: Philippe Ombredanne <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Acked-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Some phys for the chipidea controller are controlled via the ULPI
viewport. Add support for the ULPI bus so that these sorts of
phys can be probed and read/written automatically without having
to duplicate the viewport logic in each phy driver.
Acked-by: Peter Chen <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Heikki Krogerus <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
Signed-off-by: Peter Chen <[email protected]>
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