diff options
Diffstat (limited to 'drivers/pci/controller/pcie-apple.c')
-rw-r--r-- | drivers/pci/controller/pcie-apple.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c index 8f413509e37da..3646638f3df00 100644 --- a/drivers/pci/controller/pcie-apple.c +++ b/drivers/pci/controller/pcie-apple.c @@ -120,8 +120,10 @@ * The doorbell address is set to 0xfffff000, which by convention * matches what MacOS does, and it is possible to use any other * address (in the bottom 4GB, as the base register is only 32bit). + * However, it has to be excluded from the IOVA range, and the DART + * driver has to know about it. */ -#define DOORBELL_ADDR 0xfffff000 +#define DOORBELL_ADDR CONFIG_PCIE_APPLE_MSI_DOORBELL_ADDR struct apple_pcie { struct mutex lock; |