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bus: fsl-mc: fsl-mc-allocator: Rework MSI handling

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Storing a pointer to the MSI descriptor just to track the Linux interrupt
number is daft. Just store the interrupt number and be done with it.

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/20211210221815.207838579@linutronix.de
This commit is contained in:
Thomas Gleixner 2021-12-10 23:19:34 +01:00
parent d722e9a511
commit d86a6d47bc
9 changed files with 22 additions and 30 deletions
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4
include/linux/fsl/mc.h
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@ -91,13 +91,13 @@ struct fsl_mc_resource {
/**
* struct fsl_mc_device_irq - MC object device message-based interrupt
* @msi_desc: pointer to MSI descriptor allocated by fsl_mc_msi_alloc_descs()
* @virq: Linux virtual interrupt number
* @mc_dev: MC object device that owns this interrupt
* @dev_irq_index: device-relative IRQ index
* @resource: MC generic resource associated with the interrupt
*/
struct fsl_mc_device_irq {
struct msi_desc *msi_desc;
unsigned int virq;
struct fsl_mc_device *mc_dev;
u8 dev_irq_index;
struct fsl_mc_resource resource;