From nobody Mon Dec 15 17:57:57 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFFE9C38A2D for ; Mon, 24 Oct 2022 12:00:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232372AbiJXMAY (ORCPT ); Mon, 24 Oct 2022 08:00:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230372AbiJXL62 (ORCPT ); Mon, 24 Oct 2022 07:58:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 286D67C1BB; Mon, 24 Oct 2022 04:47:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7820EB8113A; Mon, 24 Oct 2022 11:45:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE9EBC433D6; Mon, 24 Oct 2022 11:45:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666611941; bh=bv+YjerPCNsSGuoXywI9SmTXpCLVVrrMngsjwcsVIM0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=15Xvcaegzk2rwwH57XeJT3iqaqfx7qLd3rALYTmgwX3hH0F8uhhxef24vcMRoSL60 JXKML8p7POrv9szbZD5yX9rur6ejLnbuPNXZRnM6GAyD1f5KnVGoy1mXMMXh4wqbcp LCo0VS1mVbluvm3g6EZlczHdC1fXPDU4Ty2KpPgA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jernej Skrabec , Samuel Holland , Heiko Stuebner , Sasha Levin Subject: [PATCH 4.14 010/210] soc: sunxi: sram: Actually claim SRAM regions Date: Mon, 24 Oct 2022 13:28:47 +0200 Message-Id: <20221024112957.223383204@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112956.797777597@linuxfoundation.org> References: <20221024112956.797777597@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Samuel Holland [ Upstream commit fd362baad2e659ef0fb5652f023a606b248f1781 ] sunxi_sram_claim() checks the sram_desc->claimed flag before updating the register, with the intent that only one device can claim a region. However, this was ineffective because the flag was never set. Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAM= s") Reviewed-by: Jernej Skrabec Signed-off-by: Samuel Holland Reviewed-by: Heiko Stuebner Tested-by: Heiko Stuebner Signed-off-by: Jernej Skrabec Link: https://lore.kernel.org/r/20220815041248.53268-4-samuel@sholland.org Signed-off-by: Sasha Levin --- drivers/soc/sunxi/sunxi_sram.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c index 882be5ed7e84..97bb4d8007ff 100644 --- a/drivers/soc/sunxi/sunxi_sram.c +++ b/drivers/soc/sunxi/sunxi_sram.c @@ -253,6 +253,7 @@ int sunxi_sram_claim(struct device *dev) writel(val | ((device << sram_data->offset) & mask), base + sram_data->reg); =20 + sram_desc->claimed =3D true; spin_unlock(&sram_lock); =20 return 0; --=20 2.35.1