All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH 37/41] nvidiafb/rivafb: Switch to pci_get refcounting
@ 2007-04-25  7:21 Antonino A. Daplas
  0 siblings, 0 replies; only message in thread
From: Antonino A. Daplas @ 2007-04-25  7:21 UTC (permalink / raw)
  To: Andrew Morton; +Cc: Alan Cox, Linux Fbdev development list

From: Alan Cox <alan@redhat.com>

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>
---

 drivers/video/nvidia/nv_hw.c    |   15 +++++++++------
 drivers/video/nvidia/nv_setup.c |    3 ++-
 drivers/video/riva/nv_driver.c  |    6 ++++--
 drivers/video/riva/riva_hw.c    |   12 ++++++++----
 4 files changed, 23 insertions(+), 13 deletions(-)

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 @@ static void nForceUpdateArbitrationSetti
 
 	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 @@ static void nForceUpdateArbitrationSetti
 			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 @@ static void nForceUpdateArbitrationSetti
 	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 @@ static void nForceUpdateArbitrationSetti
 			printk("nvidiafb: your nForce DIMMs are not arranged "
 			       "in optimal banks!\n");
 		}
+		pci_dev_put(dev);
 	}
 
 	sim_data.mem_latency = 3;
diff --git a/drivers/video/nvidia/nv_setup.c b/drivers/video/nvidia/nv_setup.c
index 336ddb0..707e2c8 100644
--- a/drivers/video/nvidia/nv_setup.c
+++ b/drivers/video/nvidia/nv_setup.c
@@ -261,7 +261,7 @@ #ifdef __BIG_ENDIAN
 	}
 #endif
 
-	dev = pci_find_slot(0, 1);
+	dev = pci_get_bus_and_slot(0, 1);
 	if ((par->Chipset & 0xffff) == 0x01a0) {
 		int amt = 0;
 
@@ -276,6 +276,7 @@ #endif
 		par->RamAmountKBytes =
 		    (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10;
 	}
+	pci_dev_put(dev);
 
 	par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
 	    14318 : 13500;
diff --git a/drivers/video/riva/nv_driver.c b/drivers/video/riva/nv_driver.c
index be630a0..a110268 100644
--- a/drivers/video/riva/nv_driver.c
+++ b/drivers/video/riva/nv_driver.c
@@ -231,12 +231,14 @@ unsigned long riva_get_memlen(struct riv
 	case NV_ARCH_30:
 		if(chipset == NV_CHIP_IGEFORCE2) {
 
-			dev = pci_find_slot(0, 1);
+			dev = pci_get_bus_and_slot(0, 1);
 			pci_read_config_dword(dev, 0x7C, &amt);
+			pci_dev_put(dev);
 			memlen = (((amt >> 6) & 31) + 1) * 1024;
 		} else if (chipset == NV_CHIP_0x01F0) {
-			dev = pci_find_slot(0, 1);
+			dev = pci_get_bus_and_slot(0, 1);
 			pci_read_config_dword(dev, 0x84, &amt);
+			pci_dev_put(dev);
 			memlen = (((amt >> 4) & 127) + 1) * 1024;
 		} else {
 			switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) &
diff --git a/drivers/video/riva/riva_hw.c b/drivers/video/riva/riva_hw.c
index c1f092c..b64a11c 100644
--- a/drivers/video/riva/riva_hw.c
+++ b/drivers/video/riva/riva_hw.c
@@ -1118,8 +1118,9 @@ (
     unsigned int uMClkPostDiv;
     struct pci_dev *dev;
 
-    dev = pci_find_slot(0, 3);
+    dev = pci_get_bus_and_slot(0, 3);
     pci_read_config_dword(dev, 0x6C, &uMClkPostDiv);
+    pci_dev_put(dev);
     uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
 
     if(!uMClkPostDiv) uMClkPostDiv = 4;
@@ -1132,8 +1133,9 @@ (
     sim_data.enable_video   = 0;
     sim_data.enable_mp      = 0;
 
-    dev = 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;
@@ -2112,12 +2114,14 @@ #endif
      * Fill in chip configuration.
      */
     if(chipset == NV_CHIP_IGEFORCE2) {
-        dev = pci_find_slot(0, 1);
+        dev = pci_get_bus_and_slot(0, 1);
         pci_read_config_dword(dev, 0x7C, &amt);
+        pci_dev_put(dev);
         chip->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
     } else if(chipset == NV_CHIP_0x01F0) {
-        dev = pci_find_slot(0, 1);
+        dev = pci_get_bus_and_slot(0, 1);
         pci_read_config_dword(dev, 0x84, &amt);
+        pci_dev_put(dev);
         chip->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
     } else {
         switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) & 0x000000FF)


-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2007-04-25  7:47 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-04-25  7:21 [PATCH 37/41] nvidiafb/rivafb: Switch to pci_get refcounting Antonino A. Daplas

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.