From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B0DAC433F5 for ; Sat, 27 Nov 2021 02:00:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Date:MIME-Version:References:Subject:Cc :To:From:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: List-Owner; bh=6dKU/SPrPygu8E26vXaNuvtEXIlpY0k2wNAPjLmyawg=; b=XR7gtyNkaR6UGV Y/mfZNv/PlrM88nxdnqC8dgHbgAoQldMf+T2tGf+zNPMhNwe3uQjlU+l8supXtslja4SZjqNUNH6C iDMVUBR76TJMHI5bUnuhaFrhMtRzN7L5tQRRlYRWt7g+0A1O1W+3vGKZ97oUr58NcFG3pzhigBnTB WlW9md/L1Xh1R6qRE0lwAdeQfcvTZEF5dtt2kqJ5FyOg0yPqZrve+isaX3j7CrqcIWGvShhCeVZoO NwZLq6l124DYpmd+Uv6MNO2fo6rmGT2qDPV9h4cYeaSeYvjFOApju8jvQVvkND9MmLbBp8U/GePMg RKs6fgGbEMmJ30f6yVFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqmyp-00CRRc-Ri; Sat, 27 Nov 2021 01:58:20 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqmP9-00CAZr-LA for linux-arm-kernel@lists.infradead.org; Sat, 27 Nov 2021 01:21:29 +0000 Message-ID: <20211126230524.236729743@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1637976085; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=MsQMrlpTATaTMzIfF99P8uE12mWb1u9o9W8ziR/qOrU=; b=s5/7GiBAGtnZQwXCkJzIoXGDFw9fPYYL9I/8KrbAHhCi6/W5ORyoYo+JP/YuAE87tFIeaN 9SZh1+Yjo2XXaSZorgmLTxAILASF8j/epV2N0TcmWKedYc0YmJC2wlSVYBnaetuvYeO3gq r3SfD/wUrFi5PM1aRClsyPVz6/p4EV8WsYmtXWl27kfio/UReZ+Mhr6xzG652IFg6Q3Jqf j8tfy8ngFRv3cfTMQCMUYPCB9icEoD8VlOjnr4jH17O0cj03031NYyK9p2GW7qTEKtxzen 4iMcZc1BgMq2pRy4AjD7pM+FJVv8+c3VXMeWs2KBgvToMKXWb2RD31F6atyAVw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1637976085; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=MsQMrlpTATaTMzIfF99P8uE12mWb1u9o9W8ziR/qOrU=; b=a/lrAdftCCZrTdCpqSQ14M5irrmHGMbAkC15UyZUkW8R5n7eykGLYW3kV7O6o8qATLwkxF 7RIlcPlxcQHtYsAw== From: Thomas Gleixner To: LKML Cc: Bjorn Helgaas , Marc Zygnier , Alex Williamson , Kevin Tian , Jason Gunthorpe , Megha Dey , Ashok Raj , linux-pci@vger.kernel.org, Greg Kroah-Hartman , Santosh Shilimkar , iommu@lists.linux-foundation.org, dmaengine@vger.kernel.org, Stuart Yoder , Laurentiu Tudor , Nishanth Menon , Tero Kristo , linux-arm-kernel@lists.infradead.org, x86@kernel.org, Vinod Koul , Mark Rutland , Will Deacon , Sinan Kaya Subject: [patch 05/37] platform-msi: Allocate MSI device data on first use References: <20211126224100.303046749@linutronix.de> MIME-Version: 1.0 Date: Sat, 27 Nov 2021 02:21:25 +0100 (CET) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211126_172127_876435_F8FF7648 X-CRM114-Status: GOOD ( 11.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Message-ID: <20211127012125.hzmHoD8Gk3PJBYjNiKuwYFTDMag1B_W791yxlR9U1Yo@z> Allocate the MSI device data on first invocation of the allocation function for platform MSI private data. Signed-off-by: Thomas Gleixner --- drivers/base/platform-msi.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -204,6 +204,8 @@ platform_msi_alloc_priv_data(struct devi irq_write_msi_msg_t write_msi_msg) { struct platform_msi_priv_data *datap; + int err; + /* * Limit the number of interrupts to 2048 per device. Should we * need to bump this up, DEV_ID_SHIFT should be adjusted @@ -218,6 +220,10 @@ platform_msi_alloc_priv_data(struct devi return ERR_PTR(-EINVAL); } + err = msi_setup_device_data(dev); + if (err) + return ERR_PTR(err); + /* Already had a helping of MSI? Greed... */ if (!list_empty(dev_to_msi_list(dev))) return ERR_PTR(-EBUSY); @@ -229,7 +235,7 @@ platform_msi_alloc_priv_data(struct devi datap->devid = ida_simple_get(&platform_msi_devid_ida, 0, 1 << DEV_ID_SHIFT, GFP_KERNEL); if (datap->devid < 0) { - int err = datap->devid; + err = datap->devid; kfree(datap); return ERR_PTR(err); } _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel