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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: MFgkvpY4sTKortPqkDWz2dGsBG-4Nj4w X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDA3MyBTYWx0ZWRfX/Z60KrY8ZKgz ycMYXx6VqpEjXN9gscToiEQNfUQDFatiwjmR92EXI4RfHGpNQY/r0F6yQ0lhZRIq6tBEGuJpRG7 fTukxDJGqVJhpqE6Mub3nnF0g98goY1uYz3lHR7wT4rzcPtHE4GtgUxEPlcFFZnqgrN4MRof6nU IMMeG4aIYcOGISgjmDsxBTWpXMSR4q0LEU6RhigdYafL25nJ4wFK2NmWyvipBJZ5jxJ/qPPFcAB VCs5LbAzi7dKe4ap6wLcJ2ogSRX1E0scUa1A3Ync3dzHsBfMQXaHclAm7N4l+dpcEdCZnUPKIxa A8bqo8eH1QgsN9Vz/sPo3Erv0wXu6FVEJcORmfprTE8XlAhqq5O6dba36B8k7gyhSniauFAMXnl HcsbW6L2U30XSUnikXiiMkYAaAybloOz6uLS5S/dNb9eG16Lt/qX9zQUZ/D3/WxsIjdIyCB5X8h bjCDM6reOWvjE2enTAw== X-Authority-Analysis: v=2.4 cv=K/IS2SWI c=1 sm=1 tr=0 ts=6a842f28 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=rJk912bZzWDh8y19x2MA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDA3MyBTYWx0ZWRfXymA1PBFuDO26 oscmo7EUUSybU133XQmzCXCyeSxrtXaBL1KZH0Rl8fUvpEx4MuYJsZwVh0yzYz9cd9bxqjgvMyI 0PnYlEWFzLmL0Af+kcLmLMuHDxMIpLI= X-Proofpoint-GUID: MFgkvpY4sTKortPqkDWz2dGsBG-4Nj4w X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-17_04,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 priorityscore=1501 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180073 On 8/10/26 5:42 PM, Dmitry Baryshkov wrote: > The controller reset handler unconditionally clears > GENCONFIG[TXFIFO_IDLE_FORCE_DIS] as a workaround for an RX buffer > collision issue. The vendor HSIC host driver never applies this > workaround on the HSIC instances and leaves the bit at its power-on > default (set), so clearing it makes the HSIC instance diverge from the > known-working configuration. > > Skip the workaround for HSIC instances, like the neighbouring > GENCONFIG_2 write already does. > > Fixes: 47654a162081 ("usb: chipidea: msm: Restore wrapper settings after reset") > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Dmitry Baryshkov > --- > drivers/usb/chipidea/ci_hdrc_msm.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c > index 9a9410a814e5..69be194f8e27 100644 > --- a/drivers/usb/chipidea/ci_hdrc_msm.c > +++ b/drivers/usb/chipidea/ci_hdrc_msm.c > @@ -108,8 +108,9 @@ static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) > hw_write_id_reg(ci, HS_PHY_AHB_MODE, 0xffffffff, 0x8); > > /* workaround for rx buffer collision issue */ > - hw_write_id_reg(ci, HS_PHY_GENCONFIG, > - HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0); > + if (!msm_ci->hsic) > + hw_write_id_reg(ci, HS_PHY_GENCONFIG, > + HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0); This patch seems not to match downstream, msm-3.10 sets it in both hsic and non-hsic drivers Konrad