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Tue, 10 Mar 2026 03:04:48 -0700 (PDT) X-Received: by 2002:a05:620a:44c2:b0:828:aff4:3c03 with SMTP id af79cd13be357-8cd6d513470mr1746360485a.61.1773137087973; Tue, 10 Mar 2026 03:04:47 -0700 (PDT) Received: from [192.168.1.29] ([178.197.219.94]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4853616a085sm96699075e9.3.2026.03.10.03.04.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Mar 2026 03:04:46 -0700 (PDT) Message-ID: <47eb0935-7dfe-43da-a93c-9ef172ded260@oss.qualcomm.com> Date: Tue, 10 Mar 2026 11:04:44 +0100 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] arm64: defconfig: Enable the Keystone PCIe host and endpoint driver To: Aksh Garg , geert+renesas@glider.be, bjorn.andersson@oss.qualcomm.com, arnd@arndb.de, nm@ti.com, ebiggers@kernel.org, michal.simek@amd.com, luca.weiss@fairphone.com, sven@kernel.org, prabhakar.mahadev-lad.rj@bp.renesas.com, kuninori.morimoto.gx@renesas.com, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, s-vadapalli@ti.com, danishanwar@ti.com References: <20260223104650.876632-1-a-garg7@ti.com> <824b8e89-29b5-4313-83dd-141d97451b82@ti.com> <385fee0b-5cc5-4fca-a109-47c47ecae6d4@ti.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@oss.qualcomm.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Rcmdyltv c=1 sm=1 tr=0 ts=69afecc1 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=sozttTNsAAAA:8 a=_3wtw84zKy8Uk4012GQA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEwMDA4NiBTYWx0ZWRfX8ZSFh5QyfL3d pphyIfOsTxo8on4ix1MwWTNBZDbA/vQRBa/xum6yOZp7KhUO2p2Y1IG47ridGonVvZEY0xMNs/z 5sYpm9CqI6v4+mdQ9cSjRHVi3fD+maCLJiYuUcjSw7sklg4Lft6v0kU8nFATgddtCaZmCB2Q7D0 T7uggXpBKvS3+DWBrIHJmw0rAJRRbaUwkOkoiNvLbqwCFeBpoY8wGUxVVxt1vFg1WG1z9WvqqAo 08DyAy4z7LwivEgWv2AOYEg44Bp7JC1w53+KTAjwcMEpGtdTd2RH+HOKpcvl4IhRR1CB4p+HDc9 JeHF5I/a6kVQlQZSIRfLHA/hxpivXSMLwmnz/IWn+1tO4KSuP2RZYp3mBn40dJ2MTyuZApKOlKj LiLQqAKZLtmc+cvZJ/mtxk1T+ifnK5+Y9URkxZx/QYs1Sd5SqugjAe7csgp75yBfkfVxqr/7uv1 8XzmWVmSIzQoGceJVwQ== X-Proofpoint-GUID: F14UQBDFBWUUnX8qZV5Ng4qR5P3AXWNc X-Proofpoint-ORIG-GUID: F14UQBDFBWUUnX8qZV5Ng4qR5P3AXWNc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-10_01,2026-03-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 bulkscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603100086 On 23/02/2026 13:01, Aksh Garg wrote: > > > On 23/02/26 16:55, Krzysztof Kozlowski wrote: >> On 23/02/2026 12:17, Aksh Garg wrote: >>> >>> >>> On 23/02/26 16:36, Krzysztof Kozlowski wrote: >>>> On 23/02/2026 11:46, Aksh Garg wrote: >>>>> Enable the PCIe Glue driver for Host and Endpoint mode of operation of >>>>> the Designware PCIe controller in the Texas Instruments AM65 SoC. >>>>> >>>>> Signed-off-by: Aksh Garg >>>>> --- >>>>> arch/arm64/configs/defconfig | 2 ++ >>>>> 1 file changed, 2 insertions(+) >>>> >>>> Why are you sending two separate patches one after another? >>>> >>>> Best regards, >>>> Krzysztof >>> >>> As both the patches does not depend on each other, can independently be >>> reviewed, and address different SoCs with different PCIe controllers, I >>> thought it would be better to send them as two separate patches. >> >> So twice more work for us? Why this cannot be one patch? >> > > The only commonality between the patches is that they both enable PCIe > drivers. However, the patch for J721E PCIe driver only enables the > controller for EP mode, as Host mode is already present. On the other > hand, the patch for Keystone PCIe driver enables both Host and EP mode > of operation. Also as I mentioned, they belong to different SoCs with > different PCIe controllers, so I chose to keep them separate. > > If I squash both the patches, the subject like: "Enable PCIe drivers for > TI SoCs" would be too generic, as TI would have more SoCs in the future. What's wrong with this subject? I see nothing too generic there. > Hence, the squashed patch with this subject might mislead in future. > > If you insist me squashing the patches, then would the following subject > be acceptable: "Enable J721E and Keystone PCIe drivers" for the squashed > patch? I do insist. I insisted already. > Best regards, Krzysztof