[tyndur-devel] [PATCH] pci: Konfigurationsspeicherzugriff

[max@xxxxxxxxxx]

From: Max Reitz <max@xxxxxxxxxx>

* Für den Zugriff auf den Konfigurationsraum muss man das Register
  nicht zweimal an DWord-Grenzen ausrichten

Signed-off-by: Max Reitz <max@xxxxxxxxxx>
---
 src/modules/pci/pcihw.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/src/modules/pci/pcihw.c b/src/modules/pci/pcihw.c
index be61251..12cbc0a 100644
--- a/src/modules/pci/pcihw.c
+++ b/src/modules/pci/pcihw.c
@@ -65,7 +65,6 @@ void pci_request_io_ports()
 static dword pci_config_read(dword bus, dword device, dword func, dword reg)
 {
     dword offset = reg % 0x04;
-    reg &= ~0x3;
 
     outl(PCI_CONFIG_ADDR, 
         0x1 << 31
@@ -119,8 +118,6 @@ static inline byte pci_config_read_byte
 static void pci_config_write_dword
     (dword bus, dword device, dword func, dword reg, dword value)
 {
-    reg &= ~0x3;
-
     outl(PCI_CONFIG_ADDR, 
         0x1 << 31
         | ((bus     & 0xFF) << 16) 
-- 
1.6.5