From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miquel Raynal Subject: [PATCH v3 01/17] platform-msi: allow creation of MSI domain without interrupt number Date: Fri, 22 Jun 2018 17:14:16 +0200 Message-ID: <20180622151432.1566-2-miquel.raynal@bootlin.com> References: <20180622151432.1566-1-miquel.raynal@bootlin.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180622151432.1566-1-miquel.raynal@bootlin.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Catalin Marinas , Will Deacon , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth Cc: Mark Rutland , devicetree@vger.kernel.org, Haim Boot , Antoine Tenart , Hanna Hawa , Maxime Chevallier , Nadav Haklai , Rob Herring , Thomas Petazzoni , Miquel Raynal , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org platform_msi_alloc_priv_data() checks that a number of interrupts is always given. This extra-check has no real impact and just prevents uselessly the user to create an MSI tree domain: remove it. Signed-off-by: Miquel Raynal --- drivers/base/platform-msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index 60d6cc618f1c..9f001f4ccc0f 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -203,7 +203,7 @@ platform_msi_alloc_priv_data(struct device *dev, unsigned int nvec, * accordingly (which would impact the max number of MSI * capable devices). */ - if (!dev->msi_domain || !write_msi_msg || !nvec || nvec > MAX_DEV_MSIS) + if (!dev->msi_domain || !write_msi_msg || nvec > MAX_DEV_MSIS) return ERR_PTR(-EINVAL); if (dev->msi_domain->bus_token != DOMAIN_BUS_PLATFORM_MSI) { -- 2.14.1