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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b291e298d5sm2320723e87.84.2026.07.20.07.10.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 07:10:13 -0700 (PDT) Date: Mon, 20 Jul 2026 17:10:11 +0300 From: Dmitry Baryshkov To: Cristian Ciocaltea Cc: sashiko-reviews@lists.linux.dev, neil.armstrong@linaro.org, olteanv@gmail.com, linux-phy@lists.infradead.org, vkoul@kernel.org Subject: Re: [PATCH v4 2/8] phy: rockchip: samsung-hdptx: Prevent divide-by-zero when computing clk rate Message-ID: References: <20260612-hdptx-clk-fixes-v4-2-ce5e1d456cda@collabora.com> <20260611235702.0E9691F000E9@smtp.kernel.org> <90ac7bbc-977b-432a-9f17-b7280e19d819@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <90ac7bbc-977b-432a-9f17-b7280e19d819@collabora.com> X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDE1NyBTYWx0ZWRfX9HS1wj9GesTu de6v/0a2UNa1ii1/WuArYby8Th0/I5+0Qg+4+cmv8+m+sG+PSfLRiL7j3Esef24AqDy+U2k0P98 UD9cQ1L9qRGj3S39/HRStsURjPJH660= X-Proofpoint-GUID: eRQdv8A8qLaJuB9o0jSfqrH16gatsWgo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDE1NyBTYWx0ZWRfXxht8s81pwxjV lgY3iRvrY7PkQoDNHEfh1JtaLpAHFJrWcJh4BA6sp8U0QxNbcd9l6hkX+5K9b9BlB81aalCNTjL kQpKuHCgEJVZJ0e6gyP3pajDXVfNUAU+xCbvr2MZuOAZQXNco+UgcK/PyK5EdR/pAMYBjUl0Lbo U9BmkfJ+urMGSzphk+VuDR59V3wf5sUi2OTbLjOUT4daFkwfqUhy5Gfm22YIJ0zlFHEDyHk7716 w5ckhXS0St3AsIy7Ct62CPyLsfLoxKagheVfs04bPKassaJJu28FpF8Fcv4O37Ue3sPaDkmo/kG gFd755NZSGh46+R/4UVDeY5cX7alm9HQEFmm7cU3yz32fe3+KSYTiGcBWHgEcYTBN9IMX0sq5hL QopIsoOlgCKAKleTKqGY7uLg7n9nKs02PSuJJPWlW1VIIIMWVJV5pBlpDVQDvV2nzh5MWzjiedI N3TQxmKSEa+vMtKToxQ== X-Proofpoint-ORIG-GUID: eRQdv8A8qLaJuB9o0jSfqrH16gatsWgo X-Authority-Analysis: v=2.4 cv=foLsol4f c=1 sm=1 tr=0 ts=6a5e2c48 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=SANp81FrUiQe7WWXlqYA:9 a=CjuIK1q_8ugA:10 a=ZXulRonScM0A:10 a=zZCYzV9kfG8A:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_03,2026-07-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 priorityscore=1501 spamscore=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 malwarescore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200157 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260720_071017_595934_B398A408 X-CRM114-Status: GOOD ( 13.11 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Fri, Jun 12, 2026 at 03:18:52AM +0300, Cristian Ciocaltea wrote: > On 6/12/26 2:57 AM, sashiko-bot@kernel.org wrote: > > Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider: > > > > Pre-existing issues: > > - [High] Potential integer underflow in `fout` calculation when hardware state is misconfigured, leading to a massive bogus clock rate that could hang downstream components. > > -- > > If the hardware reached such a damaged state, the kernel is likely already encountering more serious issues. > > Regardless, I will address this in the "FRL TxFFE level control" series, which is currently blocked by this one, to avoid any further delays. > With the overflow handled: Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy