From patchwork Wed Aug 2 16:33:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petr Tesarik X-Patchwork-Id: 13338512 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 8B8C6C001E0 for ; Wed, 2 Aug 2023 16:34:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233829AbjHBQeN (ORCPT ); Wed, 2 Aug 2023 12:34:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233405AbjHBQd6 (ORCPT ); Wed, 2 Aug 2023 12:33:58 -0400 Received: from frasgout13.his.huawei.com (unknown [14.137.139.46]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABCA12D5F; Wed, 2 Aug 2023 09:33:53 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.18.147.229]) by frasgout13.his.huawei.com (SkyGuard) with ESMTP id 4RGHLl14hLz9xFHH; Thu, 3 Aug 2023 00:22:23 +0800 (CST) Received: from A2101119013HW2.china.huawei.com (unknown [10.81.207.228]) by APP1 (Coremail) with SMTP id LxC2BwCnWblXhcpkYNssAA--.36062S2; Wed, 02 Aug 2023 17:33:34 +0100 (CET) From: Petr Tesarik To: "James E.J. Bottomley" , Helge Deller , Hugh Dickins , Andrew Morton , linux-parisc@vger.kernel.org (open list:PARISC ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Cc: Roberto Sassu , petr@tesarici.cz Subject: [PATCH v1] parisc: pci-dma: remove unused and dead EISA code and comment Date: Wed, 2 Aug 2023 18:33:21 +0200 Message-Id: <20230802163321.1560-1-petrtesarik@huaweicloud.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: LxC2BwCnWblXhcpkYNssAA--.36062S2 X-Coremail-Antispam: 1UD129KBjvdXoWruw1DXr4UCr1fJw43GFyDKFg_yoWDXrc_Ga yIk3WrGrZ3Zrs7Ka4rJayrWFyUuw1vvFyS9r1vgrZrJryrZF18Gryv9F47tr1DtFykGrWY k34rGr9rtw10vjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb3kFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJV WxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_JF0_Jw1lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_ Jw0_GFylc7CjxVAKzI0EY4vE52x082I5MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4 AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE 17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMI IF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Zr0_Wr1U MIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIda VFxhVjvjDU0xZFpf9x0JUcZ2-UUUUU= X-CM-SenderInfo: hshw23xhvd2x3n6k3tpzhluzxrxghudrp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org From: Petr Tesarik Clearly, this code isn't needed, but it gives a false positive when grepping the complete source tree for coherent_dma_mask. Signed-off-by: Petr Tesarik --- arch/parisc/kernel/pci-dma.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index d818ece23b4a..3f6b507970eb 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -417,14 +417,6 @@ void *arch_dma_alloc(struct device *dev, size_t size, map_uncached_pages(vaddr, size, paddr); *dma_handle = (dma_addr_t) paddr; -#if 0 -/* This probably isn't needed to support EISA cards. -** ISA cards will certainly only support 24-bit DMA addressing. -** Not clear if we can, want, or need to support ISA. -*/ - if (!dev || *dev->coherent_dma_mask < 0xffffffff) - gfp |= GFP_DMA; -#endif return (void *)vaddr; }