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Mon, 31 Aug 2026 09:28:02 -0700 (PDT) X-Received: by 2002:a05:620a:224a:10b0:939:3fce:1a60 with SMTP id af79cd13be357-9393fce1addmr278256585a.0.1788193681450; Mon, 31 Aug 2026 09:28:01 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c255f1b5a4esm464039466b.32.2026.08.31.09.27.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Aug 2026 09:28:00 -0700 (PDT) Message-ID: <3e7c4364-db4c-4db8-b37a-c9ed78bbca3b@oss.qualcomm.com> Date: Mon, 31 Aug 2026 18:27:57 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC/DO NOT MERGE 02/12] drm/msm: Properly handle msm_ioremap() without name To: Krzysztof Kozlowski , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski , linux-phy@lists.infradead.org References: <20260828-drm-msm-hdmi-eliza-v1-0-67843277de17@oss.qualcomm.com> <20260828-drm-msm-hdmi-eliza-v1-2-67843277de17@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260828-drm-msm-hdmi-eliza-v1-2-67843277de17@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDE0MiBTYWx0ZWRfXyYGYd32YBnmA ppA4ICiTZU00R6Rid0/EzsiorexT/JYup1k+L1pJbR/xGdtTk4+u7qETQqRW1eB84O7BLNZ+8Cl xa+C2A41OQMHhvZf/dCvgn3uwiI87BSYDgImGfiZQVk0v35SdSdLR2mqG1BS59ruTGDPFDsqp/T MEIbiP/9nb/TIa4Tc6dGpejAJ+JRI/nMxxXNBN6fAOmQmiahGlHyATHzu/SgFIsQF7i34avnFBQ v8unU/Idl3JU8GMSnORwEq3jiTpZA6CHYQ+1234tixr10TxpiNdx07nHtsgbKTWMbAajvemk/25 VcvvZ4qrx2wKqzacbnwc0DVYRazurP9VrQbCe5la8Yij2WTCZHw5dP8tS0c0ur65i/BywzMrEQn gXAE0RRmePIrF92/Pb2ew/SIq6PVU9fC0txr2I39nSjuF1f9wwjdyBFO6KOLWUfm8P1hi8Spa6j P4X3ngudOhq4QF035ww== X-Proofpoint-GUID: Xf91R7tHtKDoR8EhfeLOW49nH7UYqW-G X-Proofpoint-ORIG-GUID: Xf91R7tHtKDoR8EhfeLOW49nH7UYqW-G X-Authority-Analysis: v=2.4 cv=Eo7iaycA c=1 sm=1 tr=0 ts=6a95ab93 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=20nyjBPLO04NUT9Gj6kA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDE0MiBTYWx0ZWRfXxVi4GArSi7+p hx6Okui5Pyz0my3wtwQ9cb7m5bvOFmveIPkxK9s1QO8QmZ6RKXghcjn3P7FNhypx0wbSjkIJl5Z CbvPHUR0cgATsKKIIVFXKhB1BmOtNY4= 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=2026-08-31_05,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 adultscore=0 suspectscore=0 phishscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608310142 On 8/28/26 4:05 PM, Krzysztof Kozlowski wrote: > msm_ioremap() accepts being called without name of the region to map and > in such case maps by index 0. However error paths still use the name in > error message. > > Signed-off-by: Krzysztof Kozlowski > --- > drivers/gpu/drm/msm/msm_io_utils.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/msm_io_utils.c b/drivers/gpu/drm/msm/msm_io_utils.c > index a6efe1eac271..93b94e330cb8 100644 > --- a/drivers/gpu/drm/msm/msm_io_utils.c > +++ b/drivers/gpu/drm/msm/msm_io_utils.c > @@ -77,7 +77,8 @@ static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name > > if (!res) { > if (!quiet) > - DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); > + DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", > + (name ? name : "#0")); nit: name ?: "#0" Konrad