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Diffstat (limited to 'drivers/video/xilinxfb.c')
-rw-r--r--drivers/video/xilinxfb.c59
1 files changed, 23 insertions, 36 deletions
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 7a868bd..ed7c8d0 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -124,7 +124,6 @@ struct xilinxfb_drvdata {
registers */
dcr_host_t dcr_host;
- unsigned int dcr_start;
unsigned int dcr_len;
void *fb_virt; /* virt. address of the frame buffer */
@@ -325,8 +324,8 @@ static int xilinxfb_assign(struct device *dev,
drvdata->regs);
}
/* Put a banner in the log (for DEBUG) */
- dev_dbg(dev, "fb: phys=%p, virt=%p, size=%x\n",
- (void *)drvdata->fb_phys, drvdata->fb_virt, fbsize);
+ dev_dbg(dev, "fb: phys=%llx, virt=%p, size=%x\n",
+ (unsigned long long)drvdata->fb_phys, drvdata->fb_virt, fbsize);
return 0; /* success */
@@ -404,9 +403,7 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
u32 tft_access;
struct xilinxfb_platform_data pdata;
struct resource res;
- int size, rc;
- int start = 0, len = 0;
- dcr_host_t dcr_host;
+ int size, rc, start;
struct xilinxfb_drvdata *drvdata;
/* Copy with the default pdata (not a ptr reference!) */
@@ -414,35 +411,39 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
dev_dbg(&op->dev, "xilinxfb_of_probe(%p, %p)\n", op, match);
+ /* Allocate the driver data region */
+ drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
+ if (!drvdata) {
+ dev_err(&op->dev, "Couldn't allocate device private record\n");
+ return -ENOMEM;
+ }
+
/*
* To check whether the core is connected directly to DCR or PLB
* interface and initialize the tft_access accordingly.
*/
p = (u32 *)of_get_property(op->node, "xlnx,dcr-splb-slave-if", NULL);
-
- if (p)
- tft_access = *p;
- else
- tft_access = 0; /* For backward compatibility */
+ tft_access = p ? *p : 0;
/*
* Fill the resource structure if its direct PLB interface
* otherwise fill the dcr_host structure.
*/
if (tft_access) {
+ drvdata->flags |= PLB_ACCESS_FLAG;
rc = of_address_to_resource(op->node, 0, &res);
if (rc) {
dev_err(&op->dev, "invalid address\n");
- return -ENODEV;
+ goto err;
}
-
} else {
+ res.start = 0;
start = dcr_resource_start(op->node, 0);
- len = dcr_resource_len(op->node, 0);
- dcr_host = dcr_map(op->node, start, len);
- if (!DCR_MAP_OK(dcr_host)) {
- dev_err(&op->dev, "invalid address\n");
- return -ENODEV;
+ drvdata->dcr_len = dcr_resource_len(op->node, 0);
+ drvdata->dcr_host = dcr_map(op->node, start, drvdata->dcr_len);
+ if (!DCR_MAP_OK(drvdata->dcr_host)) {
+ dev_err(&op->dev, "invalid DCR address\n");
+ goto err;
}
}
@@ -467,26 +468,12 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
if (of_find_property(op->node, "rotate-display", NULL))
pdata.rotate_screen = 1;
- /* Allocate the driver data region */
- drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
- if (!drvdata) {
- dev_err(&op->dev, "Couldn't allocate device private record\n");
- return -ENOMEM;
- }
dev_set_drvdata(&op->dev, drvdata);
+ return xilinxfb_assign(&op->dev, drvdata, res.start, &pdata);
- if (tft_access)
- drvdata->flags |= PLB_ACCESS_FLAG;
-
- /* Arguments are passed based on the interface */
- if (drvdata->flags & PLB_ACCESS_FLAG) {
- return xilinxfb_assign(&op->dev, drvdata, res.start, &pdata);
- } else {
- drvdata->dcr_start = start;
- drvdata->dcr_len = len;
- drvdata->dcr_host = dcr_host;
- return xilinxfb_assign(&op->dev, drvdata, 0, &pdata);
- }
+ err:
+ kfree(drvdata);
+ return -ENODEV;
}
static int __devexit xilinxfb_of_remove(struct of_device *op)
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