From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 97D9D435A96; Tue, 21 Jul 2026 20:24:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784665489; cv=none; b=VPwECeRE+iEuiXKmHjNme8spA4fLcFTwN7yqyGDa1CAddewiROIthDTPhdAI3LmkXRfBTpZV3NX/4vXrvIWiU0sSLeBY5kbFH3TFb3Bfta1/dO7wlbiJATxcfKKcvuNeD8fI+B7hRHYeuBehcse5U+3UlaZUQf9B79JpfHbVeE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784665489; c=relaxed/simple; bh=jXZjLf9gYMXoBUXtohFvw9lH4SITtm0v4urr2BaYmJA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jl5EnYukNvcTCZSFLL2avuuBnLhwdmrDQT27MF6CsZYkTWN+sZld6lCbYrip4YzClK1tqVjdwLIt7f1JdUSOKDAzpRgTrcZx0xSHCy6Dr7QlDs9LIXMMZ+sxP150GkBYjsgG6mUYBInsQtKOk/iMNT/1p0T68GG7qYTkbrKJJRs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=NlEO7SxY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="NlEO7SxY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 081301F000E9; Tue, 21 Jul 2026 20:24:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784665488; bh=XoaHPmVkY5R6HmqpH19zt9JCs3FBiH56J4kXHYs7YO4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NlEO7SxYueYWnJfcFKMvMUi4pCrebWIJbr/y1X+7ioklR4LqyKPfQ9lRmak0W4i5d Vypg0GXqoHG0UnDdWOio2WpuYuryjjyK5cedGc67DM2LBrNSZz2JuybQ+O/cJzXmVI WYgI698gGiwFbkoTmvZaU/khRUJ7OGNEprx7nImI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Paul Louvel , Herbert Xu Subject: [PATCH 6.6 0280/1266] crypto: talitos - move dma unmapping code in flush_channel() into a standalone dma_unmap_request() function Date: Tue, 21 Jul 2026 17:11:57 +0200 Message-ID: <20260721152448.088325662@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Paul Louvel commit 4d9b0b7415b9e79a3d54d18b5ff230974ea78740 upstream. Previously added code to flush_channel() in order to unmap an entire descriptor. Move that code into a standalone function to improve readability. Cc: stable@vger.kernel.org Signed-off-by: Paul Louvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/talitos.c | 39 ++++++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 17 deletions(-) --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -372,6 +372,27 @@ static __be32 get_request_hdr(struct dev return edesc->desc.hdr1; } +static void dma_unmap_request(struct device *dev, + struct talitos_request *request, bool is_sec1) +{ + struct talitos_edesc *edesc; + + if (is_sec1) { + dma_unmap_single(dev, request->dma_desc, TALITOS_DESC_SIZE, + DMA_BIDIRECTIONAL); + edesc = container_of(request->desc, struct talitos_edesc, desc); + while (edesc->next_desc) { + dma_unmap_single(dev, + be32_to_cpu(edesc->desc.next_desc), + TALITOS_DESC_SIZE, DMA_BIDIRECTIONAL); + edesc = edesc->next_desc; + } + } else { + dma_unmap_single(dev, request->dma_desc, TALITOS_DESC_SIZE, + DMA_BIDIRECTIONAL); + } +} + /* * process what was done, notify callback of error if not */ @@ -379,7 +400,6 @@ static void flush_channel(struct device { struct talitos_private *priv = dev_get_drvdata(dev); struct talitos_request *request, saved_req; - struct talitos_edesc *edesc; unsigned long flags; int tail, status; bool is_sec1 = has_ftr_sec1(priv); @@ -404,22 +424,7 @@ static void flush_channel(struct device else status = error; - if (is_sec1) { - dma_unmap_single(dev, request->dma_desc, - TALITOS_DESC_SIZE, DMA_BIDIRECTIONAL); - edesc = container_of(request->desc, - struct talitos_edesc, desc); - while (edesc->next_desc) { - dma_unmap_single( - dev, be32_to_cpu(edesc->desc.next_desc), - TALITOS_DESC_SIZE, DMA_BIDIRECTIONAL); - edesc = edesc->next_desc; - } - } else { - dma_unmap_single(dev, request->dma_desc, - TALITOS_DESC_SIZE, - DMA_BIDIRECTIONAL); - } + dma_unmap_request(dev, request, is_sec1); /* copy entries so we can call callback outside lock */ saved_req.desc = request->desc;