On 7/21/07, Roland Dreier <[email protected]> wrote:
> This driver supports some chipsets that do MSI, and some that do MSI-X,
> but none that can do both.
Thanks, that's the simple answer I was hoping for. Obviously if some
chipsets only do MSI then you need the MSI code in addition to the
MSI-X code.
In a case where you have a device that which supports MSI-X (multiple
interrupts) but the device in default is in MSI mode, ie some
configuration change is needed on the device. In such a case, how
would one handle between MSI-X and MSI ?
ie the device initially doesn't support MSI-X
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