nvidiafb/rivafb: switch to pci_get refcounting
Switch to pci_get refcounting APIs
[adaplas]
Fix a long-standing bug where the return value of
pci_find_slot()/pci_get_bus_and_slot() is ignored.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/nvidia/nv_hw.c b/drivers/video/nvidia/nv_hw.c
index ea42611..f297c7b 100644
--- a/drivers/video/nvidia/nv_hw.c
+++ b/drivers/video/nvidia/nv_hw.c
@@ -686,7 +686,7 @@
if ((par->Chipset & 0x0FF0) == 0x01A0) {
unsigned int uMClkPostDiv;
- dev = pci_find_slot(0, 3);
+ dev = pci_get_bus_and_slot(0, 3);
pci_read_config_dword(dev, 0x6C, &uMClkPostDiv);
uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
@@ -694,11 +694,11 @@
uMClkPostDiv = 4;
MClk = 400000 / uMClkPostDiv;
} else {
- dev = pci_find_slot(0, 5);
+ dev = pci_get_bus_and_slot(0, 5);
pci_read_config_dword(dev, 0x4c, &MClk);
MClk /= 1000;
}
-
+ pci_dev_put(dev);
pll = NV_RD32(par->PRAMDAC0, 0x0500);
M = (pll >> 0) & 0xFF;
N = (pll >> 8) & 0xFF;
@@ -707,19 +707,21 @@
sim_data.pix_bpp = (char)pixelDepth;
sim_data.enable_video = 0;
sim_data.enable_mp = 0;
- pci_find_slot(0, 1);
+ dev = pci_get_bus_and_slot(0, 1);
pci_read_config_dword(dev, 0x7C, &sim_data.memory_type);
+ pci_dev_put(dev);
sim_data.memory_type = (sim_data.memory_type >> 12) & 1;
sim_data.memory_width = 64;
- dev = pci_find_slot(0, 3);
+ dev = pci_get_bus_and_slot(0, 3);
pci_read_config_dword(dev, 0, &memctrl);
+ pci_dev_put(dev);
memctrl >>= 16;
if ((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
int dimm[3];
- pci_find_slot(0, 2);
+ dev = pci_get_bus_and_slot(0, 2);
pci_read_config_dword(dev, 0x40, &dimm[0]);
dimm[0] = (dimm[0] >> 8) & 0x4f;
pci_read_config_dword(dev, 0x44, &dimm[1]);
@@ -731,6 +733,7 @@
printk("nvidiafb: your nForce DIMMs are not arranged "
"in optimal banks!\n");
}
+ pci_dev_put(dev);
}
sim_data.mem_latency = 3;