Hans J. Koch wrote:
On Thu, Apr 14, 2011 at 11:41:46AM +0200, Michal Simek wrote:
Support OF support. "generic-uio" compatible property is used.
Signed-off-by: Michal Simek <[email protected]>
---
v2: Remove additional resource binding
Setup correct version string
Clear compatible string
---
drivers/uio/uio_pdrv_genirq.c | 45 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 7174d51..fd84a93 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -23,6 +23,10 @@
#include <linux/pm_runtime.h>
#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+
#define DRIVER_NAME "uio_pdrv_genirq"
struct uio_pdrv_genirq_platdata {
@@ -97,6 +101,28 @@ static int uio_pdrv_genirq_probe(struct platform_device
*pdev)
int ret = -EINVAL;
int i;
+ if (!uioinfo) {
+ /* alloc uioinfo for one device */
+ uioinfo = kzalloc(sizeof(*uioinfo), GFP_KERNEL);
+ if (!uioinfo) {
+ ret = -ENOMEM;
+ dev_err(&pdev->dev, "unable to kmalloc\n");
+ goto bad2;
+ }
+ uioinfo->name = pdev->dev.of_node->name;
+ uioinfo->version = "dt";
Can that be something more descriptive?
look at my previous post.
+
+ /* Multiple IRQs are not supported */
But multiple mappings are, and also no mappings.
I have tested multiple mappings and it is no problem to use it.
No mapping is also fine.
+ if (pdev->num_resources > 1) {
+ struct resource *r = &pdev->resource[1];
+ uioinfo->irq = r->start;
Why has the irq be resource[1] ?
look at my previous post.
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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