From nobody Wed Nov 27 08:53:31 2024 Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B93AB610D; Sat, 12 Oct 2024 09:54:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728726866; cv=none; b=WkOds66HvzY6qaTNPTtskmSezSBZhx7JmFo4dZkqsqXyrjk+XpIQHY/mbPBX3C9W81x9ZrYZ3VjOUnHJYt4y5wsVsVcJgAZz6vCYCZ9hI3C7QEIDXt3FYKYZTM45dM4X7XJkWPhPWsqd7jeWdGinm7We9d7B2VQM74dPen1+9mI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728726866; c=relaxed/simple; bh=TfawiNnYj5zNLv+jVcmBc+6b6S3nRECwPwGfhLaSrzg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qd830aEkz2BoTQ4PVwZ9CJSmkJAIv+mMO7WupxUz7Mzb8R3lrbcnsKddv7GsPQWiZDk7iYEUyisTVskv1kiWLR59u1qZszzZfwCiza0Cs9fsr7jTB+WJ4Y3dp6uzAUiJ5yM+aNaag67tz8YIVc6Gvfqt6IAej+OO8AguZsh/FlM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Qrrth7nF; arc=none smtp.client-ip=209.85.218.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Qrrth7nF" Received: by mail-ej1-f45.google.com with SMTP id a640c23a62f3a-a99f646ff1bso12117666b.2; Sat, 12 Oct 2024 02:54:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728726863; x=1729331663; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=U8ZC9ITCPhenAYf/vv6uhGh5WumL2pziZ+L10pLWJTM=; b=Qrrth7nFem0y6gHUgoyr4KXK9gW1tE8HPTEJrR+PJGpfGypoBo32/1SRQvV1R3QAsS Y4W9VoMMwO1Rrtl/zLIe+pcgxGT5lGbIKQ16UJNq6z89ZtDl9wfBJv8aFrbkxinbfSXk 92PPTqJ81zgHa4MqI7NX+EGLgkT8fqv83VCLuJLrigtBhkPGh90iP5Yv96435VVShPXZ L+Lo/HJlAC/uW74pfng0TXP/N1pLCw5sjYoLmeJ75O9zUN9a2JQ9QdF1P49YNsRQYsM4 tD6oq8joFr9lkhFrTj7VRewhwM3BRRp1mr4qvwxEiQr2httWWPWqwLrQeLbQ34dwdzWS I4dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728726863; x=1729331663; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=U8ZC9ITCPhenAYf/vv6uhGh5WumL2pziZ+L10pLWJTM=; b=bKqJMolylAbcyNW+WIrGiGvzzEN+01mwWMpiMWBf6CHiMRSsUfd35kB01dKN9LQvSb XhFM9eVWrgjRuEYZ62tdZ+lBxMwZyocZremaRntDnJrmlcUoQ+c2Gh881SYJ62LDD7uh XXR+NRnZvFbWKEeE/Ml8Qzz0E83JNzASUpgOIGX19n3vB1SUkAAiVREn9Z9kgjp0I65H AavfMoLnOFhGDJfGYpVPcI/dHs9F7qCtPl55VRTm4/3Zm2nbg4VTCPeAtkBwO5KIRTn7 ObcfSsD4c095sO1nRUF81iOMeKwVjmJDCmv9kK7xibmNQuxtWd7ZbIYf6z7RMb4Yu7+t vzTg== X-Forwarded-Encrypted: i=1; AJvYcCV4P9kkIBe9pEIQiOtLbDol/79glWvYmSGAueJmfeKN15Nk06/M2Mej32RBAMkhVHIE/GQHXJzzxn7HKOw=@vger.kernel.org X-Gm-Message-State: AOJu0YwYSTPoUi5CjKv/AKZJd755BkqMomEjGY6U6g1vGso96L5GCUEu bb++fESAJfzlmzTmfABaeaSL6wiJzsJHIJ/ixG9NiEBMbVBNsztvBHPsQpZ8v80= X-Google-Smtp-Source: AGHT+IEhaqnA7LkNOsegegkcVESQ2FBN7VOw9DUl/+LSCE2rE4OAG0X1A4zwpgwynNerFXfpeqoRFA== X-Received: by 2002:a17:907:2cc3:b0:a8d:3338:a497 with SMTP id a640c23a62f3a-a99b93239f6mr488486566b.4.1728726862748; Sat, 12 Oct 2024 02:54:22 -0700 (PDT) Received: from localhost (dslb-002-200-173-220.002.200.pools.vodafone-ip.de. [2.200.173.220]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99a80efe57sm308258366b.188.2024.10.12.02.54.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Oct 2024 02:54:22 -0700 (PDT) From: Jonas Gorski Date: Sat, 12 Oct 2024 11:53:35 +0200 Subject: [PATCH 1/6] spi: fix return code when spi device has too many chipselects Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241012-spi_multi_cs_cleanup-v1-1-dc491113880d@gmail.com> References: <20241012-spi_multi_cs_cleanup-v1-0-dc491113880d@gmail.com> In-Reply-To: <20241012-spi_multi_cs_cleanup-v1-0-dc491113880d@gmail.com> To: Mark Brown , Amit Kumar Mahapatra Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 Don't return a positive value when there are too many chipselects. Fixes: 4d8ff6b0991d ("spi: Add multi-cs memories support in SPI core") Signed-off-by: Jonas Gorski --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 7c5e76b154212585af1c3893005cb353a0eaeafc..ab38978e9c58517bb671d7bda01= 7c8550cc82d58 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2452,7 +2452,7 @@ static int of_spi_parse_dt(struct spi_controller *ctl= r, struct spi_device *spi, if (rc > ctlr->num_chipselect) { dev_err(&ctlr->dev, "%pOF has number of CS > ctlr->num_chipselect (%d)\n= ", nc, rc); - return rc; + return -EINVAL; } if ((of_property_read_bool(nc, "parallel-memories")) && (!(ctlr->flags & SPI_CONTROLLER_MULTI_CS))) { --=20 2.43.0