The following commit introduced some warnings associated with using
pci_addr_t instead of a proper 32-bit data type.
commit af778c6d9e2b945ee03cbc53bb976238a3374f33
Author: Andrew Sharp <andywy...@gmail.com>
Date: Wed Aug 1 12:27:16 2012 +0000
pci: fix errant data types and corresponding access functions
On some platforms pci_addr_t is defined as a 64-bit data type so its not
proper to use with pci_{read,write}_config_dword.
Signed-off-by: Kumar Gala <ga...@kernel.crashing.org>
---
drivers/pci/pci.c | 6 +++---
drivers/pci/pci_auto.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2a6d0a7..d864f13 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -118,11 +118,11 @@ PCI_WRITE_VIA_DWORD_OP(word, u16, 0x02, 0x0000ffff)
void *pci_map_bar(pci_dev_t pdev, int bar, int flags)
{
pci_addr_t pci_bus_addr;
- pci_addr_t bar_response;
+ u32 bar_response;
/* read BAR address */
pci_read_config_dword(pdev, bar, &bar_response);
- pci_bus_addr = bar_response & ~0xf;
+ pci_bus_addr = (pci_addr_t)(bar_response & ~0xf);
/*
* Pass "0" as the length argument to pci_bus_to_virt. The arg
@@ -389,7 +389,7 @@ int pci_hose_config_device(struct pci_controller *hose,
pci_addr_t mem,
unsigned long command)
{
- pci_addr_t bar_response;
+ u32 bar_response;
unsigned int old_command;
pci_addr_t bar_value;
pci_size_t bar_size;
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c
index ae61e24..cd78030 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -89,7 +89,7 @@ void pciauto_setup_device(struct pci_controller *hose,
struct pci_region *prefetch,
struct pci_region *io)
{
- pci_addr_t bar_response;
+ u32 bar_response;
pci_size_t bar_size;
u16 cmdstat = 0;
int bar, bar_nr = 0;
--
1.7.9.7
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