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pci: assign device during pci config cmd write

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Issue #1216
This commit is contained in:
Alexander Boettcher
2015-05-05 18:43:58 +02:00
committed by Christian Helmuth
parent 3eed3ad329
commit 2ceecd44f9
8 changed files with 62 additions and 76 deletions
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9
repos/dde_bsd/src/lib/audio/bus.cc
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@ -121,15 +121,6 @@ class Pci_driver : public Bsd::Bus_driver
Genode::Ram_dataspace_capability _alloc_dma_memory(Genode::size_t size)
{
try {
/* trigger that the device gets assigned to this driver (needed by IOMMUs) */
for (unsigned i = 0; i < 2; i++)
try {
_pci.config_extended(_cap);
break;
} catch (Pci::Device::Quota_exceeded) {
Genode::env()->parent()->upgrade(_pci.cap(), "ram_quota=4096");
}
char buf[32];
Genode::snprintf(buf, sizeof(buf), "ram_quota=%zu", size);
Genode::env()->parent()->upgrade(_pci.cap(), buf);