From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 26 Sep 2024 13:24:13 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1stmbU-002yvE-1M for lore@lore.pengutronix.de; Thu, 26 Sep 2024 13:24:13 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stmbR-0003Ee-Dq for lore@pengutronix.de; Thu, 26 Sep 2024 13:24:13 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JpRILQIgcMy8n1W4XMiLryP+ZKFydZMK5Deyw8zandI=; b=ygvuf7PYkLZTMeSFQkJ846x7eG 3WkBqcksSV1VOMTbM/TnCtPfwABKIvk8PF6fjNknzAgoKNq4F05i5hqLdkmLIXQpd5LVsH8SU9CqV IF2KFOHsyHs7Gjv02EGhj+l3P2iCBXt9LzUeZQAbTQvSO+oktAzLpK9dMmzyQ2FZf+Tk2aNyMO3hF WeyPqVfjDDY0B/FSWGioP33im+lv+0TieMYRp4xazXX+ybJ1cDZtU692AMve9p3ONMVnkA9sE/CAO cRQ2GrzManPy273k/Tf8DbdfQcFiL851A4TK5clCPycTAXBn9MWQ7Vxevkp43nQ+NwobBYWlrLsAI +wqeeMTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stmap-00000008DsO-241k; Thu, 26 Sep 2024 11:23:31 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stmZ9-00000008DM1-0kRU for barebox@lists.infradead.org; Thu, 26 Sep 2024 11:21:48 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stmZ0-00019E-0u; Thu, 26 Sep 2024 13:21:38 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1stmYz-001fko-HS; Thu, 26 Sep 2024 13:21:37 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1stmYz-00Fi9J-2z; Thu, 26 Sep 2024 13:21:37 +0200 From: Sascha Hauer Date: Thu, 26 Sep 2024 13:21:37 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240926-spi-gpio-v2-1-3bf7b511c8c0@pengutronix.de> References: <20240926-spi-gpio-v2-0-3bf7b511c8c0@pengutronix.de> In-Reply-To: <20240926-spi-gpio-v2-0-3bf7b511c8c0@pengutronix.de> To: "open list:BAREBOX" X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1727349697; l=741; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=tKczvVzmWRiLpfhssNJMY8oipOoSvXEHk1Sc2+cYohA=; b=jITRsq8r+RRTUGoiPc7BCwgW3uWaYffWd6x+ecOzNxdonIwQVbJ6k1R444GLuhfwMatpcFfRc HXo3+RVmx+QAhyth1rtZdTgeg9oEqTUhVf3cqX1eipd+UVIjscoxxyw X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240926_042147_256616_FA89D9C7 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 1/5] spi: spi-gpio: actually delay in spidelay() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) spidelay() currently only is a no-op dummy function. Actually delay in this function to avoid spi-gpio being faster than specified. Signed-off-by: Sascha Hauer --- drivers/spi/gpio_spi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/gpio_spi.c b/drivers/spi/gpio_spi.c index e5664df3fe..dc9f46ca45 100644 --- a/drivers/spi/gpio_spi.c +++ b/drivers/spi/gpio_spi.c @@ -48,7 +48,10 @@ static inline int getmiso(const struct spi_device *spi) return !!gpio_get_value(priv->data->miso); } -#define spidelay(nsecs) do { } while (0) +static inline void spidelay(unsigned int nsecs) +{ + ndelay(nsecs); +} #include "spi-bitbang-txrx.h" -- 2.39.5