Hi Richard,
On 7/1/2013 16:39, Richard Genoud wrote:
With device tree, pdev->id is always -1, so we introduce a local
counter.
Signed-off-by: Richard Genoud <richard.gen...@gmail.com>
---
drivers/misc/atmel-ssc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 3afbd82..d1ec5ab 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -173,6 +173,12 @@ out:
return err;
}
+/* counter of ssc devive instances.
+ * With device tree pdev->id is always -1, so we have to keep the
+ * count ourselves
+ */
+static int ssc_device_id;
Do we really need this? If Yes, would it better to get from device
through of_alias_get_id?
+
static int ssc_probe(struct platform_device *pdev)
{
struct resource *regs;
@@ -235,6 +241,7 @@ static int ssc_probe(struct platform_device *pdev)
}
spin_lock(&user_lock);
+ pdev->id = ssc_device_id++;
list_add_tail(&ssc->list, &ssc_list);
spin_unlock(&user_lock);
Best Regards,
Bo Shen
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