From patchwork Mon Aug 21 14:37:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13359533 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 982DFEE49AB for ; Mon, 21 Aug 2023 14:38:31 +0000 (UTC) Received: from relmlie5.idc.renesas.com (relmlie5.idc.renesas.com [210.160.252.171]) by mx.groups.io with SMTP id smtpd.web10.1008.1692628695125774967 for ; Mon, 21 Aug 2023 07:38:23 -0700 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=pass (domain: bp.renesas.com, ip: 210.160.252.171, mailfrom: biju.das.jz@bp.renesas.com) X-IronPort-AV: E=Sophos;i="6.01,190,1684767600"; d="scan'208";a="173473043" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 21 Aug 2023 23:38:23 +0900 Received: from localhost.localdomain (unknown [10.226.92.38]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id CE7D24007552; Mon, 21 Aug 2023 23:38:21 +0900 (JST) From: Biju Das To: cip-dev@lists.cip-project.org, Nobuhiro Iwamatsu , Pavel Machek Cc: Biju Das , Claudiu Beznea Subject: [PATCH 6.1.y-cip 09/15] pinctrl: renesas: rzg2l: Add BUILD_BUG_ON() checks Date: Mon, 21 Aug 2023 15:37:53 +0100 Message-Id: <20230821143759.227105-10-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230821143759.227105-1-biju.das.jz@bp.renesas.com> References: <20230821143759.227105-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 21 Aug 2023 14:38:31 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/12803 From: Lad Prabhakar commit 2d4a628cade2fe9cf7aa5629cffe768afe0e7ae1 upstream. Add BUILD_BUG_ON() checks to avoid overflows for GPIO configs for each supported SoC. While at it, for readability set n_port_pins based on the GPIO pin configs and not on GPIO names for r9a07g044_data as done for r9a07g043_data. Suggested-by: Geert Uytterhoeven Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven Acked-by: Linus Walleij Link: https://lore.kernel.org/r/20230102221815.273719-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Biju Das --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 2399be9314f1..38be83fef3e9 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -1480,6 +1480,12 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) struct rzg2l_pinctrl *pctrl; int ret; + BUILD_BUG_ON(ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzg2l_gpio_names)); + + BUILD_BUG_ON(ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzg2l_gpio_names)); + pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) return -ENOMEM; @@ -1543,7 +1549,7 @@ static struct rzg2l_pinctrl_data r9a07g044_data = { .port_pin_configs = rzg2l_gpio_configs, .n_ports = ARRAY_SIZE(rzg2l_gpio_configs), .dedicated_pins = rzg2l_dedicated_pins.common, - .n_port_pins = ARRAY_SIZE(rzg2l_gpio_names), + .n_port_pins = ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) + ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins), };