From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=194.117.254.33 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792696590; b=pPgph2ygCewvFTX4EwjMZzSXWoodpr8eAmGxy+vnLA1mTyVH48V4+YR4wONvQwYavRu0 mrelE1ZST3Mq8l6gbwXRrV9hno9HI01Rsd5l0/W5w6IMJO9wN+TLkeKy/9rji+BjmSrFY gZMfhYbtNDDzEoSyCmsceJAoIyHFXu6sSaAtNZB+qhRh6mum1ew9ThjMstQTpxHS9tpbz 4Jm0ATVgXTzFKuT0LKsc/bYJFj1GqpLKzExxPK+RmgUV4vYrzeuJbsBwWO86P6AH1f/CU iKNBgUffksnh2N3KQKm+FsxoerrR9XbxKTZyTnAF2kIQknzoLJgLT2/qK1SmDensuuQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792696590; h=DMARC-Filter:DKIM-Signature:Received:Received:X-UD-Smtp-Session:Date: From:To:Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=worign4rstbwAXV4Bgti+MrdTiT6gtNxhhZE7rH+EtI=; b=Li9W3eYlhFVeJ2DNO84TQRUgPhdtA8nHcoQferUdp5itdbGkerpTnhS61UkmuB9SGS2/ THAebDRkh1ix2dcMHBTO297f3lJoSkLf23a79tclsO2KMDncGs3AjSHaHgKZ7TB7IBRQl jk9okSuYR25cQ/8UyVu43OlQmhuPdzsh5i0F/wHmy+Ju6MqIMxnlTpCxmGRPdgl5f8NTS eQKCgIeEbteDrRq59tkzumOmXD0LfzbB7i85dlm4UWAJnfOBwPVkza2T/LzlcEC27NoIp 9GVaJY5EyLloK6AxzFRJlR+oibZhHO++EzMzEFNqig2X5JuL/vey6b7tKTh8YLkJ+ng== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=bCnt7TT9; arc=none smtp.remote-ip=194.117.254.33 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF2F9606A321 for ; Thu, 22 Oct 2026 19:16:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DF2F9606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=bCnt7TT9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=wori gn4rstbwAXV4Bgti+MrdTiT6gtNxhhZE7rH+EtI=; b=bCnt7TT9ert32tXRWd8p vWHPz7UYsPjM0Hv2sizm5s0Gg3J8gT3tS/0xLufQdjp8XgA3yjQJXnaw0gI4/3S7 7h/TwBT+22sAyEpp84mbXtRGt19gICHiQi1oWreGn3p44m7uT16UL1LpT7jGxlaa afYJW8Ckeu33yIshzsWDoP4IR/gDlfNbSOU4akCF1BkcRiVzMz0ifNge4vZUIIWO ReAesxGCTmy/5zrjJwLjcMkvdCgzInj7jLvFeLqSvbaxRTsI65Y5fNA3bjwqndjd afDhwTqDRTh0bNKiCNCQhK1A+LOEDLzkvEG9C1LwVS8JglgQIY16XL6ot2RKCxAc Zg== Received: (qmail 1249909 invoked from network); 22 Oct 2026 21:16:23 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 22 Oct 2026 21:16:23 +0200 X-UD-Smtp-Session: l3s3148p1@cd4Ks3JeDpAujns/ Date: Thu, 22 Oct 2026 21:16:23 +0200 From: Wolfram Sang To: Claudiu Beznea Cc: lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org, bhelgaas@google.com, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, claudiu.beznea@tuxon.dev, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Claudiu Beznea Subject: Re: [PATCH v7 00/14] PCI: rzg3s-host: Add PCIe hotplug support Message-ID: References: <20261019065025.2146539-1-claudiu.beznea@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Ow/o1bagopSaNDX2" Content-Disposition: inline In-Reply-To: <20261019065025.2146539-1-claudiu.beznea@kernel.org> --Ow/o1bagopSaNDX2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Claudiu, > i2cset -y 1 0x18 0xf4 0x8 # Link down > i2cset -y 1 0x18 0xf4 0xc # Link up: PCIE_SLOT (NVMe Micron) So, I applied your patches on current -next and did the above. During LinkUp the card (Renesas USB3 host controller) got correctly re-initialized. Same for physical unplug/plug. I don't know nothing about PCI, but I wondered about one thing: after removal (both physically and via I2C), the card was still present in /sys/bus/pci/devices. Is that expected? Thanks and happy hacking, Wolfram --Ow/o1bagopSaNDX2 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmraYQMACgkQFA3kzBSg KbZTrBAAjnY8NNyL5HwH91DskA4hX6y4V7+LCoo7rU++Z6JH9I0vvyhwOwrtdd1Z DZwhZGMLooSQCG6nuEm+JsWwPUtlWBWULdL8LQkgLHiArPYzyfUGqy7kc9sNgcKQ vXNToCw0Q5nQXAd6Vkg274EbgtPF9L6MVh+ZkUraMCrA0fkO4CpdKCozsmGdEaqp u79HtHV3Pc8sfL2dCzFc49NY90NShQykan88ZXZaOhASOS+lEuwRU+rZ8cjV+Atc M6CZtVE2qjdxVGTSmcN5MyezhfR0y2NOSc6dog1Mr4oWsuHye762gVgxzKrGR+c4 0aGqmmoQ1iAsp5pUumG2zt9SufI8b9/Ig1B789Nlnp/iPA/kBt3rEEAKYo3nxxjB APayRljviwFErFkgZbAK99OC1F6c60jLdaLD+G0z9fkGbkYdFKngJf8vdtYW26Mc XKmr3l+d8cHhMcyjD1E2T4c8WxcUj+kNwar5BO8LI0+I3JnAUx2Tihak/s8QrBFY iikG8/GtgmeYxp2Cr2aK1fVN9nLNyQOTLQm8zP4r0hGTzzSpAb4ebd0y5mt/WNua 2hHaeEWB6O2g6oGRCtn937F7upXhZfJhZjLnoLctPH4chXW60NiK0rJcGJ/loepB HV4itQoIYpCb8KQ9VsriQLUDFr/db0S9smuYOFZLDshcweCjHzg= =7/Ow -----END PGP SIGNATURE----- --Ow/o1bagopSaNDX2--