From patchwork Tue Dec 21 13:17:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 527336 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 96D30C4332F for ; Tue, 21 Dec 2021 13:18:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238122AbhLUNSR (ORCPT ); Tue, 21 Dec 2021 08:18:17 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:34380 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235070AbhLUNSQ (ORCPT ); Tue, 21 Dec 2021 08:18:16 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 32A9261599; Tue, 21 Dec 2021 13:18:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BCE06C36AE9; Tue, 21 Dec 2021 13:18:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640092695; bh=Nqe6mT09B1kTX33/VRmKBI2xx5UPngqh2E87CJblXg0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q11EtiJnQ+VoC6JNDoZINAHnuKhWEUMv7E0sC7FV5AmFsGffUrgodM7PDzKsrdmKA jJvF7Q7YMIJXB+P5R5xgJY5IwE0JXwbUmtz713iWbBTuwhbqbuyvzpHcFmCRYA6MJa 53i6EJVnT7WcpyNzjVYT0C6kdl9Y2DzoQ9791vDzk/B2cur/IaKIuD9HR53TOGRhV/ uOXD4SbNuCtKfZtkfd5UtixKiYO7flM6Q+k1Kbj9Ssx9F3Pg76NO0s6yyt0+lPoJqo S5MKX27Pswdy3yRLBaffxZKUHSkQBJdQdox/9ihrdowrLOoYdHQ15dMDmPN8e5Zmfe GHi/trBBx+ZVw== From: Roger Quadros To: krzysztof.kozlowski@canonical.com, miquel.raynal@bootlin.com, tony@atomide.com Cc: robh@kernel.org, kishon@ti.com, nm@ti.com, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Roger Quadros Subject: [PATCH v4 3/4] memory: omap-gpmc: Use a compatible match table when checking for NAND controller Date: Tue, 21 Dec 2021 15:17:56 +0200 Message-Id: <20211221131757.2030-4-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211221131757.2030-1-rogerq@kernel.org> References: <20211221131757.2030-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org As more compatibles can be added to the GPMC NAND controller driver use a compatible match table. Cc: Miquel Raynal Signed-off-by: Roger Quadros --- drivers/memory/omap-gpmc.c | 6 +++++- drivers/mtd/nand/raw/omap2.c | 5 +---- include/linux/platform_data/mtd-nand-omap2.h | 9 ++++++++- 3 files changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 624153048182..d19ffc895e5b 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2091,6 +2091,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, u32 val; struct gpio_desc *waitpin_desc = NULL; struct gpmc_device *gpmc = platform_get_drvdata(pdev); + bool is_nand = false; if (of_property_read_u32(child, "reg", &cs) < 0) { dev_err(&pdev->dev, "%pOF has no 'reg' property\n", @@ -2183,7 +2184,10 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, } } - if (of_device_is_compatible(child, "ti,omap2-nand")) { + if (of_match_node(omap_nand_ids, child)) + is_nand = true; + + if (is_nand) { /* NAND specific setup */ val = 8; of_property_read_u32(child, "nand-bus-width", &val); diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c index b26d4947af02..e6dd8b4cf0d2 100644 --- a/drivers/mtd/nand/raw/omap2.c +++ b/drivers/mtd/nand/raw/omap2.c @@ -2352,10 +2352,7 @@ static int omap_nand_remove(struct platform_device *pdev) return ret; } -static const struct of_device_id omap_nand_ids[] = { - { .compatible = "ti,omap2-nand", }, - {}, -}; +/* omap_nand_ids defined in linux/platform_data/mtd-nand-omap2.h */ MODULE_DEVICE_TABLE(of, omap_nand_ids); static struct platform_driver omap_nand_driver = { diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index de6ada739121..92f011805ad4 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -7,6 +7,7 @@ #define _MTD_NAND_OMAP2_H #include +#include #define GPMC_BCH_NUM_REMAINDER 8 @@ -61,4 +62,10 @@ struct gpmc_nand_regs { void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER]; }; -#endif + +static const struct of_device_id omap_nand_ids[] = { + { .compatible = "ti,omap2-nand", }, + {}, +}; + +#endif /* _MTD_NAND_OMAP2_H */