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authorJunhui Liu <[email protected]>2025-01-10 21:55:21 +0800
committerMattijs Korpershoek <[email protected]>2025-06-02 09:57:25 +0200
commit94a1f8fe47e26250dd5704b2c2187622522eca6b (patch)
tree981e1a33a52b2df6db1dcebf7505347379ca7f2e /include/linux/unaligned
parent14f904130964f251e78349a2e370c5069f2af500 (diff)
usb: dwc2: Fix incorrect ULPI_UTMI_SEL bit setting
The ULPI_UTMI_SEL bit in the DWC2 driver was set incorrectly. According to the datasheet [1], this bit should be set to 0 for UTMI interface and 1 for ULPI interface. The existing code had this logic reversed, causing the interface selection to be incorrect. This commit corrects the ULPI_UTMI_SEL bit setting to match the datasheet's description. Referencing the kernel's code [2] also confirms this fix. [1] https://rockchip.fr/RK312X%20TRM/chapter-26-usb-otg-2-0.pdf#page=30 [2] https://github.com/torvalds/linux/blob/v6.13-rc3/drivers/usb/dwc2/core.c#L1106 Reviewed-by: Marek Vasut <[email protected]> Tested-by: Peter Robinson <[email protected]> Reviewed-by: Mattijs Korpershoek <[email protected]> Signed-off-by: Junhui Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mattijs Korpershoek <[email protected]>
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