diff options
| author | Simon Glass | 2021-07-18 14:14:23 -0600 |
|---|---|---|
| committer | Tom Rini | 2021-07-28 19:30:22 -0400 |
| commit | 05a7cabf5b86fb283c887309746d98e416edcc64 (patch) | |
| tree | a4e411a7fb46e8bb571006e8d50bac6912acea5b /drivers/misc/swap_case.c | |
| parent | bbcacdf4cd23f2e5deb9ef916096c956c955243d (diff) | |
pci: swap_case: Allow compilation on 32-bit machines
At present this driver assumes that ulong is 64-bits long. On 32-bit
machines it is not. Use the 64-bit code only on 64-bit machines.
This makes things work correctly on 32-bit machines.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/misc/swap_case.c')
| -rw-r--r-- | drivers/misc/swap_case.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/misc/swap_case.c b/drivers/misc/swap_case.c index 3cbc8f37ec5..7093ad1cd4f 100644 --- a/drivers/misc/swap_case.c +++ b/drivers/misc/swap_case.c @@ -302,7 +302,6 @@ static int sandbox_swap_case_write_io(struct udevice *dev, unsigned int addr, } static int pci_ea_bar2_magic = PCI_EA_BAR2_MAGIC; -static int pci_ea_bar4_magic = PCI_EA_BAR4_MAGIC; static int sandbox_swap_case_map_physmem(struct udevice *dev, phys_addr_t addr, unsigned long *lenp, void **ptrp) @@ -332,12 +331,22 @@ static int sandbox_swap_case_map_physmem(struct udevice *dev, *ptrp = &pci_ea_bar2_magic; *lenp = PCI_CAP_EA_SIZE_LO; break; +#ifdef CONFIG_HOST_64BIT + /* + * This cannot be work on a 32-bit machine since *lenp is ulong + * which is 32-bits, but it needs to have a 64-bit value + * assigned + */ case (phys_addr_t)((PCI_CAP_EA_BASE_HI4 << 32) | - PCI_CAP_EA_BASE_LO4): + PCI_CAP_EA_BASE_LO4): { + static int pci_ea_bar4_magic = PCI_EA_BAR4_MAGIC; + *ptrp = &pci_ea_bar4_magic; *lenp = (PCI_CAP_EA_SIZE_HI << 32) | PCI_CAP_EA_SIZE_LO; break; + } +#endif default: return -ENOENT; } |