From patchwork Wed Sep 30 15:27:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 255505 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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,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 5E0DEC4727C for ; Wed, 30 Sep 2020 15:30:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3095621481 for ; Wed, 30 Sep 2020 15:30:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731149AbgI3PaD (ORCPT ); Wed, 30 Sep 2020 11:30:03 -0400 Received: from retiisi.org.uk ([95.216.213.190]:44644 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730970AbgI3P3I (ORCPT ); Wed, 30 Sep 2020 11:29:08 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id E24C3634CD7 for ; Wed, 30 Sep 2020 18:28:49 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH 040/100] ccs: Move limit value real to integer conversion from read to access time Date: Wed, 30 Sep 2020 18:27:58 +0300 Message-Id: <20200930152858.8471-41-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200930152858.8471-1-sakari.ailus@linux.intel.com> References: <20200930152858.8471-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Instead of converting the limit values at register read time, do that at access time instead. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index f51e1ae505b3..34878678bc5f 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -124,6 +124,7 @@ static u32 ccs_get_limit(struct ccs_sensor *sensor, unsigned int limit, unsigned int offset) { void *ptr; + u32 val; int ret; ret = ccs_limit_ptr(sensor, limit, offset, &ptr); @@ -132,16 +133,20 @@ static u32 ccs_get_limit(struct ccs_sensor *sensor, switch (ccs_reg_width(ccs_limits[ccs_limit_offsets[limit].info].reg)) { case sizeof(u8): - return *(u8 *)ptr; + val = *(u8 *)ptr; + break; case sizeof(u16): - return *(u16 *)ptr; + val = *(u16 *)ptr; + break; case sizeof(u32): - return *(u32 *)ptr; + val = *(u32 *)ptr; + break; + default: + WARN_ON(1); + return 0; } - WARN_ON(1); - - return 0; + return ccs_reg_conv(sensor, ccs_limits[limit].reg, val); } #define CCS_LIM(sensor, limit) \ @@ -182,7 +187,7 @@ static int ccs_read_all_limits(struct ccs_sensor *sensor) j++, reg += width, ptr += width) { u32 val; - ret = ccs_read_addr(sensor, reg, &val); + ret = ccs_read_addr_noconv(sensor, reg, &val); if (ret) goto out_err;