V4L/DVB (6227): dvb-pll: store instance ID in dvb_pll_priv structure

Store an instance ID in the dvb_pll_priv structure, so that module options
specific to a given pll may be used by the functions within the driver.

When debug is turned on, print a message indicating which pll was attached
and it's instance id.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 59ae4ece65ab..5f4762edc405 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -556,6 +556,9 @@ static struct dvb_pll_desc *pll_list[] = {
 /* ----------------------------------------------------------- */
 
 struct dvb_pll_priv {
+        /* pll number */
+        int nr;
+
         /* i2c details */
         int pll_i2c_address;
         struct i2c_adapter *i2c;
@@ -575,6 +578,8 @@ static int debug = 0;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "enable verbose debug messages");
 
+static unsigned int dvb_pll_devcount;
+
 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
                              const struct dvb_frontend_parameters *params)
 {
@@ -787,6 +792,7 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
         priv->pll_i2c_address = pll_addr;
         priv->i2c = i2c;
         priv->pll_desc = desc;
+        priv->nr = dvb_pll_devcount++;
 
         memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
                sizeof(struct dvb_tuner_ops));
@@ -801,6 +807,14 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
                 fe->ops.tuner_ops.sleep = NULL;
 
         fe->tuner_priv = priv;
+
+        if (debug) {
+                printk("dvb-pll[%d]", priv->nr);
+                if (i2c != NULL)
+                        printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
+                printk(": id# %d (%s) attached\n", pll_desc_id, desc->name);
+        }
+
         return fe;
 }
 EXPORT_SYMBOL(dvb_pll_attach);