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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e18-20020a656892000000b0050309caf60esi10609140pgt.750.2023.04.04.10.43.17; Tue, 04 Apr 2023 10:43:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=hBCgbbkH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236184AbjDDRXn (ORCPT + 99 others); Tue, 4 Apr 2023 13:23:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236046AbjDDRXI (ORCPT ); Tue, 4 Apr 2023 13:23:08 -0400 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6CB255B2 for ; Tue, 4 Apr 2023 10:22:47 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id r11so133619718edd.5 for ; Tue, 04 Apr 2023 10:22:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680628966; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wUpb2JM7n+7eZBq4BlWotaA0EKU+rUj5Kly600q312g=; b=hBCgbbkHOu5B9RSMiGPoizTD+mVjukE/VKo8b5D2Dy++O6pvtprK/ssMtbcfE4ymiQ efEtsLIsQt/gMIVEyhMxlNKo9xchltk/+zRHSPY+Z/HLSq9o1cF3V8g+zJlZ3QpC1opQ yme7DSvfEiktVVKkp+nyFC3vPvFP3IvywUretH7x//zlK7+8P9Jujaw3J//yAEGjrQCO +lMOF1t52ZTbbLl811v2VF/uMvM6QRAQZ8onbICA9+azSTgZ8Ta00SNUN0Yc8VBKH84x Ix24DhAqigm6x7YLaNDCe2vCyzFwDFhDAwvgzA8DHEIt2i+wSVVADInvsbNdEFmJ+YNX QQQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680628966; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wUpb2JM7n+7eZBq4BlWotaA0EKU+rUj5Kly600q312g=; b=7J2n5wEgNfg6w22+xSplpdjy+fprZcuX6sVFrgWiXIePeZHzAZKWquMiIpM22KVE3B hnEWkoxkbfEL9xGQPrTfjHFAit8z/OG1fjPyp2YlqzzKLUtSww8V8+RWzbtFSth837qz tyX8E4Lj+NYFmNq24AHa15TmhR0CwloiZNpokWBATzq46Q9rtoNquyvhGD6IPXKwownh G4eP0/u737TplkcQMLf8J6np7k3ivZpWSEATmUHt25CP2mzmqu04lUPxOgTs2wJDZQpo y9gX78pjA+z/BuzZh1E+erU/dmkvP+D2bkiQLt0wBQRf3oxFgwlabsqF36jPM6iNIWhr 0/ZQ== X-Gm-Message-State: AAQBX9ciJFsGtNFaGrKEP7Xg01uOld8MiVvCI74GHj2/ScDBPTFWXjd3 4Ryf9M/H2NzA5PgA9mzFQLQYNg== X-Received: by 2002:a17:906:702:b0:92f:d1ec:a7d7 with SMTP id y2-20020a170906070200b0092fd1eca7d7mr51234ejb.15.1680628966047; Tue, 04 Apr 2023 10:22:46 -0700 (PDT) Received: from localhost.localdomain ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id bv20-20020a170906b1d400b009447277c2aasm6208333ejb.39.2023.04.04.10.22.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Apr 2023 10:22:45 -0700 (PDT) From: Srinivas Kandagatla To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Michael Walle , Miquel Raynal , Srinivas Kandagatla Subject: [PATCH 17/40] nvmem: core: allow to modify a cell before adding it Date: Tue, 4 Apr 2023 18:21:25 +0100 Message-Id: <20230404172148.82422-18-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230404172148.82422-1-srinivas.kandagatla@linaro.org> References: <20230404172148.82422-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762268503539184872?= X-GMAIL-MSGID: =?utf-8?q?1762268503539184872?= From: Michael Walle Provide a way to modify a cell before it will get added. This is useful to attach a custom post processing hook via a layout. Signed-off-by: Michael Walle Signed-off-by: Miquel Raynal Signed-off-by: Srinivas Kandagatla --- drivers/nvmem/core.c | 4 ++++ include/linux/nvmem-provider.h | 5 +++++ 2 files changed, 9 insertions(+) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 0708f9f27898..f43025ad315b 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -695,6 +695,7 @@ static int nvmem_validate_keepouts(struct nvmem_device *nvmem) static int nvmem_add_cells_from_of(struct nvmem_device *nvmem) { + struct nvmem_layout *layout = nvmem->layout; struct device *dev = &nvmem->dev; struct device_node *child; const __be32 *addr; @@ -724,6 +725,9 @@ static int nvmem_add_cells_from_of(struct nvmem_device *nvmem) info.np = of_node_get(child); + if (layout && layout->fixup_cell_info) + layout->fixup_cell_info(nvmem, layout, &info); + ret = nvmem_add_one_cell(nvmem, &info); kfree(info.name); if (ret) { diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index 3bfc23553a9e..be81cc88eabc 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -155,6 +155,8 @@ struct nvmem_cell_table { * @add_cells: Will be called if a nvmem device is found which * has this layout. The function will add layout * specific cells with nvmem_add_one_cell(). + * @fixup_cell_info: Will be called before a cell is added. Can be + * used to modify the nvmem_cell_info. * @owner: Pointer to struct module. * @node: List node. * @@ -168,6 +170,9 @@ struct nvmem_layout { const struct of_device_id *of_match_table; int (*add_cells)(struct device *dev, struct nvmem_device *nvmem, struct nvmem_layout *layout); + void (*fixup_cell_info)(struct nvmem_device *nvmem, + struct nvmem_layout *layout, + struct nvmem_cell_info *cell); /* private */ struct module *owner;