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e627539601
The IPQ4019 datasheet indicates that the maximum supported SPI frequency is 25 MHz. My experiment on SKSpruce WIA3300-20 shows that exceeding this threshold can lead to instability of SPI peripheral. Limit the SPI clock frequency to the QSDK recommended value 24MHz to enhance stability. Signed-off-by: Shiji Yang <yangshiji66@outlook.com> Link: https://github.com/openwrt/openwrt/pull/19744 Signed-off-by: Robert Marko <robimarko@gmail.com> (cherry picked from commit 3ff8a3dca8bc24296f501b3c74214eb5005354bf) Link: https://github.com/openwrt/openwrt/pull/19796 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>