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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 8/10/26 5:42 PM, Dmitry Baryshkov wrote: > With the cal_sleep (32 kHz IO calibration sleep) clock running, the > HSIC PHY engages its sleep calibration: the strobe/data pad > calibration converges to different values than with the active > calibration alone, HSIC_CFG reports the sleep calibration state, and > the port no longer detects a device connect - an onboard HSIC hub > signalling its attach after reset is never seen (observed on the > APQ8074 Dragonboard against its USB4604 hub, by comparing the ULPI > register state against the vendor kernel, which never enables this > clock: with cal_sleep enabled ULPI HSIC_CFG reads 0xab and the pad > registers 0x0f/0x0d, without it 0xa9 and 0x10/0x10, matching the > working vendor configuration). > > Stop requesting and enabling the cal_sleep clock. > > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Dmitry Baryshkov > --- it seems to be used by the slightly different xhci-hsic driver for 8084 Reviewed-by: Konrad Dybcio Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy