From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 03AB5CA600A for ; Thu, 8 Oct 2026 09:04:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Subject:CC:To:MIME-Version:From:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nZE5AyB6dfBQs8CS7mr3Fvb05uXEMPU3WMOtaMF71eU=; b=PmYz1rP4I/DxyPgEJpMDwGV1gq 70J0ZNIRagD7joBM2zvnFe63y4wa0nunvc3RjEFfjXcdfk8pq6D6kjYPdkIUgQNm3aXCao3rhDpYM 9rXn6VN+25b1AxkIB8K6nURjApTdYT9j1QvXtV0iSqVEYSL3JJToFy0uhobcOidcn/7iIxgmhlOXG VLoDagDQCIDWuzxKqIPoRwI+dyUzVlXIf/GhAxcdhAQRmvlPj/yuS8fT4aTIXvw6QFtKBjYNYF1eL B/lMD1EnxGGPMh8FufvRsYji2g7ScwNZBO49zCwArs25EVku5ks/h7uoOMs+dv0RkEk3Vv3ZR/E+e 4zOc1AbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xEk3J-00000003xdR-0Rlb; Thu, 08 Oct 2026 09:04:37 +0000 Received: from canpmsgout06.his.huawei.com ([113.46.200.221]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xEk3F-00000003xZ3-2gNm for linux-arm-kernel@lists.infradead.org; Thu, 08 Oct 2026 09:04:35 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=nZE5AyB6dfBQs8CS7mr3Fvb05uXEMPU3WMOtaMF71eU=; b=VlSde2ZNOTBpzEllPbG5HUJgfQJ8E0gJkCy6Trswx4G+wVthH2Cr0HWMXhaAjbjNfpc0NmCl5 WQaLIr0pg9xJTdN/G4zcptmQnIgE93CTJ0vTlZUYZLbI12uJLhfc2xHybPSX7PbjD+tT7ghGklm T5L6SoBGVzKxEB6MRiiedp4= Received: from mail.maildlp.com (unknown [172.19.162.144]) by canpmsgout06.his.huawei.com (SkyGuard) with ESMTPS id 4j0kJT0g8fzRhQs; Thu, 8 Oct 2026 16:52:09 +0800 (CST) Received: from kwepemk200006.china.huawei.com (unknown [7.202.194.72]) by mail.maildlp.com (Postfix) with ESMTPS id E6B2740538; Thu, 8 Oct 2026 17:04:19 +0800 (CST) Received: from [10.67.112.178] (10.67.112.178) by kwepemk200006.china.huawei.com (7.202.194.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Thu, 8 Oct 2026 17:04:19 +0800 Message-ID: <6AC75C92.9090409@hisilicon.com> Date: Thu, 8 Oct 2026 17:04:18 +0800 From: Wei Xu User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Linus Walleij , , Chanho Min CC: Arnd Bergmann , Krzysztof Kozlowski , Alexandre Belloni , , Conor Dooley , Michael Turquette , Bartosz Golaszewski , Andy Shevchenko , Catalin Marinas , Long Zhao , Subject: Re: [PATCH v8 10/18] gpio: pl061: convert register access to regmap References: <20260921-cv75-v5-v8-0-282ff5d98dda@ambarella.com> <20260921-cv75-v5-v8-10-282ff5d98dda@ambarella.com> In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.67.112.178] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemk200006.china.huawei.com (7.202.194.72) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261008_020434_176679_BEC7B3F6 X-CRM114-Status: GOOD ( 13.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Linus and Andy, On 2026/9/22 15:23, Linus Walleij wrote: > On Mon, Sep 21, 2026 at 6:23 AM Long Zhao via B4 Relay > wrote: > >> From: Long Zhao >> >> Replace readb()/writeb() with a MMIO regmap while keeping the existing >> gpio_chip and girq irqchip. Use a raw spinlock so irq_ack() can run >> under the irq descriptor lock. >> >> Signed-off-by: Long Zhao > > It would be good if some critical users of the PL061 could > test this patch. > > Wei, can you test this on HiSilicon? Sorry for the late reply! I did not get the HiKey boards these past days. But I test the v9 patchset on the qemu sbsa-ref machine to verify the gpio powerdown and it works after resolved some trivial merge conflicts. The detail could be found at below link: https://github.com/hisilicon/kernel-dev/commits/topic-test-pl061/ Best Regards, Wei > > Chanho, can you test on LGE hardware? > > but it looks good! > Reviewed-by: Linus Walleij > > Yours, > Linus Walleij > . >