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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23EF8C43612 for ; Sun, 6 Jan 2019 08:38:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE34B218A3 for ; Sun, 6 Jan 2019 08:38:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726624AbfAFIiO (ORCPT ); Sun, 6 Jan 2019 03:38:14 -0500 Received: from mx2.suse.de ([195.135.220.15]:57236 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726568AbfAFIiH (ORCPT ); Sun, 6 Jan 2019 03:38:07 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4C413AEA3; Sun, 6 Jan 2019 08:38:06 +0000 (UTC) From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: linux-lpwan@lists.infradead.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Andreas=20F=C3=A4rber?= , Ben Whitten , "David S. Miller" Subject: [PATCH lora-next 11/11] net: lora: sx130x: Enable regmap caching Date: Sun, 6 Jan 2019 09:37:54 +0100 Message-Id: <20190106083754.6004-12-afaerber@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190106083754.6004-1-afaerber@suse.de> References: <20190106083754.6004-1-afaerber@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To fix performance penalties compared to pre-regmap field code, enable caching. Note: This has been tested to not regress on spi-gpio, with no improvement on spi-sun6i for clk_prepare() locking issue. Cc: Ben Whitten Signed-off-by: Andreas Färber --- drivers/net/lora/sx130x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/lora/sx130x.c b/drivers/net/lora/sx130x.c index 76ce072a540a..2fb18d0c9db5 100644 --- a/drivers/net/lora/sx130x.c +++ b/drivers/net/lora/sx130x.c @@ -162,7 +162,7 @@ const struct regmap_config sx130x_regmap_config = { .reg_bits = 8, .val_bits = 8, - .cache_type = REGCACHE_NONE, + .cache_type = REGCACHE_RBTREE, .disable_locking = true, .read_flag_mask = 0, -- 2.16.4