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[2001:14bb:a2:9556:18c8:3d0b:b936:c848]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-310907a8655sm14444531fa.62.2025.04.22.06.38.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Apr 2025 06:38:18 -0700 (PDT) Message-ID: <6eeb7bca-6018-46de-a7db-7189d60c0942@oss.qualcomm.com> Date: Tue, 22 Apr 2025 16:38:17 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/7] platform/chrome: cros_ec_typec: No pending status means attention To: Stephen Boyd , Tzung-Bi Shih Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, Bjorn Andersson , Konrad Dybcio , devicetree@vger.kernel.org, Krzysztof Kozlowski , Rob Herring , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Conor Dooley , Benson Leung , chrome-platform@lists.linux.dev, Pin-yen Lin , Abhishek Pandit-Subedi , =?UTF-8?Q?=C5=81ukasz_Bartosik?= , Jameson Thies , Andrei Kuchynski References: <20250416000208.3568635-1-swboyd@chromium.org> <20250416000208.3568635-2-swboyd@chromium.org> Content-Language: en-US From: Dmitry Baryshkov In-Reply-To: <20250416000208.3568635-2-swboyd@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 2OiX1GguJprnKcGysazfNmszYKDHeany X-Proofpoint-ORIG-GUID: 2OiX1GguJprnKcGysazfNmszYKDHeany X-Authority-Analysis: v=2.4 cv=QLJoRhLL c=1 sm=1 tr=0 ts=68079bcd cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=cm27Pg_UAAAA:8 a=VwQbUJbxAAAA:8 a=1XWaLZrsAAAA:8 a=o0b5XE3H0qlelF4PaLgA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-22_06,2025-04-21_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 adultscore=0 phishscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504220103 On 16/04/2025 03:02, Stephen Boyd wrote: > If we aren't expecting a status update when > cros_typec_displayport_status_update() is called then we're handling an > attention message, like HPD high/low or IRQ. Call > typec_altmode_attention() in this case so that HPD signaling works in > the DP altmode driver. Fixes? > > Cc: Benson Leung > Cc: Tzung-Bi Shih > Cc: > Cc: Pin-yen Lin > Cc: Abhishek Pandit-Subedi > Cc: Łukasz Bartosik > Cc: Jameson Thies > Cc: Andrei Kuchynski > Signed-off-by: Stephen Boyd > --- > drivers/platform/chrome/cros_typec_altmode.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/platform/chrome/cros_typec_altmode.c b/drivers/platform/chrome/cros_typec_altmode.c > index 557340b53af0..c2d9c548b5e8 100644 > --- a/drivers/platform/chrome/cros_typec_altmode.c > +++ b/drivers/platform/chrome/cros_typec_altmode.c > @@ -280,11 +280,8 @@ int cros_typec_displayport_status_update(struct typec_altmode *altmode, > typec_altmode_get_drvdata(altmode); > struct cros_typec_altmode_data *adata = &dp_data->adata; > > - if (!dp_data->pending_status_update) { > - dev_dbg(&altmode->dev, > - "Got DPStatus without a pending request\n"); > - return 0; > - } > + if (!dp_data->pending_status_update) > + return typec_altmode_attention(altmode, data->status); > > if (dp_data->configured && dp_data->data.conf != data->conf) > dev_dbg(&altmode->dev, -- With best wishes Dmitry