[PATCH v3 01/17] platform-msi: allow creation of MSI domain without interrupt number
From: miquel.raynal@bootlin.com (Miquel Raynal)
Date: 2018-06-22 15:14:16
Also in:
linux-devicetree
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
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 <miquel.raynal@bootlin.com> --- 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