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| author | Thomas Gleixner <tglx@linutronix.de> | 2021-12-10 23:19:00 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-12-16 22:16:38 +0100 |
| commit | 86ca622628d3941835138f2f89e69ed63f7f50fe (patch) | |
| tree | 3fdbdc86cc76f04eba741a91b6cbadd3e3c7a977 /drivers/bus | |
| parent | platform-msi: Allocate MSI device data on first use (diff) | |
| download | linux-86ca622628d3941835138f2f89e69ed63f7f50fe.tar.xz linux-86ca622628d3941835138f2f89e69ed63f7f50fe.zip | |
bus: fsl-mc-msi: Allocate MSI device data on first use
Allocate the MSI device data on first invocation of the allocation function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211210221813.867985931@linutronix.de
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-msi.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/bus/fsl-mc/fsl-mc-msi.c b/drivers/bus/fsl-mc/fsl-mc-msi.c index cf974870ba55..c6215b7fe27c 100644 --- a/drivers/bus/fsl-mc/fsl-mc-msi.c +++ b/drivers/bus/fsl-mc/fsl-mc-msi.c @@ -253,6 +253,14 @@ int fsl_mc_msi_domain_alloc_irqs(struct device *dev, struct irq_domain *msi_domain; int error; + msi_domain = dev_get_msi_domain(dev); + if (!msi_domain) + return -EINVAL; + + error = msi_setup_device_data(dev); + if (error) + return error; + if (!list_empty(dev_to_msi_list(dev))) return -EINVAL; @@ -260,12 +268,6 @@ int fsl_mc_msi_domain_alloc_irqs(struct device *dev, if (error < 0) return error; - msi_domain = dev_get_msi_domain(dev); - if (!msi_domain) { - error = -EINVAL; - goto cleanup_msi_descs; - } - /* * NOTE: Calling this function will trigger the invocation of the * its_fsl_mc_msi_prepare() callback |