From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.113.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2C7527B34A; Mon, 22 Sep 2025 20:55:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.113.88 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758574552; cv=none; b=t21FxlSHp+dBr4JXcnFPyyfXju1zL+BJsVBKJNdQY+a1mDCn9EUWHlpwf9xgfcud9WY6miNHJFT8EB1goPy50SA1yYSieBkWYG4TR6s8V85wKY1BQIzQREOe1jI2nIRIllkw6D46vJLWFq0xXFvczNBRw5PfnHS2TsRoJUN6NRc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758574552; c=relaxed/simple; bh=mTgFQg6dzMvuZBQYKUL5ugfwTPau97m8tBHkehv2j3M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Lp215yxMIlkUZUntpw+joGp6tU/ONI+wDHjYhr2+DVd/rlhRl+3E3rIf4O96TVdYo8iqhE7cUOlpi1M/3kSfABmdcP9mYF9kNyoEbyqGU/nbw/W5iT6xJPlL7b498AaLCpj8+4alcS5skPk3938qeXxa7Y5ONUFPteYBmhLpRWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=W92NzEjg; arc=none smtp.client-ip=195.154.113.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="W92NzEjg" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Content-Transfer-Encoding:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=cRFwK1pxi/SZ8dEX9JP4LGjTwxzF/2UPH05MAWDWiCM=; b=W92NzEjgy5lxNqfQw08KL+V9t6 m0CT/hubY0h540cMF8PTPLCcb4GYisVHRJo1d2FOPObc/RofuOUHYNjrgslYCkjpgE5T6Ts5RZcBA pxG130bkqm85LG3NAvqP1PWU7WQxyyKDPOuLh1eliDwGXS3Q1hCnFuqQTH2Gf3ub7p1DAJ1przJ9Z ofpmlwh+5CYZHvi079Y6rXGwuA50nINfXAe/bd3HWlqMCxIzXfdF+x/JzZeswynlJq5RiiPaISjvV PWoszQ5xYuYbuGl1OFAS7FsWdaDPffKZ5bT86ER6Bevtsnc0jast+3EGCcR/KvWOxeQ4q14r/gw2L ilZZLoqQ==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v0nZO-00AlR7-2f; Mon, 22 Sep 2025 22:55:34 +0200 Date: Mon, 22 Sep 2025 22:55:33 +0200 From: Aurelien Jarno To: Troy Mitchell Cc: Andi Shyti , Yixun Lan , Alex Elder , Troy Mitchell , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev Subject: Re: [PATCH 0/6] i2c: spacemit: fix and introduce pio Message-ID: Mail-Followup-To: Troy Mitchell , Andi Shyti , Yixun Lan , Alex Elder , Troy Mitchell , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev References: <20250827-k1-i2c-atomic-v1-0-e59bea02d680@linux.spacemit.com> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250827-k1-i2c-atomic-v1-0-e59bea02d680@linux.spacemit.com> User-Agent: Mutt/2.2.13 (2024-03-09) Hi, On 2025-08-27 15:39, Troy Mitchell wrote: > Previously, there were a few latent issues in the I2C driver. > > These did not manifest under interrupt mode, but they were > still present and could be triggered when running in PIO mode. > > This series addresses those issues and adds support for PIO > mode transfers. > > Signed-off-by: Troy Mitchell Thanks for this series. Based on it and with the few fixes suggested in the individual patches, I have been able to write a small power reset driver for the P1 chip, supporting reset and shutdown. I'll post it on the list in the next days. Regards Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurelien@aurel32.net http://aurel32.net