[media] mb86a20s: convert it to use dev_info/dev_err/dev_dbg

Instead of having its own set of macros, use the Kernel default
ones for debug, error and info.

While here, do some cleanup on the debug printk's.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index b348f97..c52ae2e 100644 (file)
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -24,18 +24,6 @@ static int debug = 1;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 
-#define rc(args...)  do {                                              \
-       printk(KERN_ERR  "mb86a20s: " args);                            \
-} while (0)
-
-#define dprintk(args...)                                               \
-       do {                                                            \
-               if (debug) {                                            \
-                       printk(KERN_DEBUG "mb86a20s: %s: ", __func__);  \
-                       printk(args);                                   \
-               }                                                       \
-       } while (0)
-
 struct mb86a20s_state {
        struct i2c_adapter *i2c;
        const struct mb86a20s_config *config;
@@ -190,8 +178,9 @@ static int mb86a20s_i2c_writereg(struct mb86a20s_state *state,
 
        rc = i2c_transfer(state->i2c, &msg, 1);
        if (rc != 1) {
-               printk("%s: writereg error (rc == %i, reg == 0x%02x,"
-                        " data == 0x%02x)\n", __func__, rc, reg, data);
+               dev_err(&state->i2c->dev,
+                       "%s: writereg error (rc == %i, reg == 0x%02x, data == 0x%02x)\n",
+                       __func__, rc, reg, data);
                return rc;
        }
 
@@ -225,8 +214,9 @@ static int mb86a20s_i2c_readreg(struct mb86a20s_state *state,
        rc = i2c_transfer(state->i2c, msg, 2);
 
        if (rc != 2) {
-               rc("%s: reg=0x%x (error=%d)\n", __func__, reg, rc);
-               return rc;
+               dev_err(&state->i2c->dev, "%s: reg=0x%x (error=%d)\n",
+                       __func__, reg, rc);
+               return (rc < 0) ? rc : -EIO;
        }
 
        return val;
@@ -245,7 +235,6 @@ static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
        struct mb86a20s_state *state = fe->demodulator_priv;
        int val;
 
-       dprintk("\n");
        *status = 0;
 
        val = mb86a20s_readreg(state, 0x0a) & 0xf;
@@ -267,7 +256,8 @@ static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
        if (val >= 8)                           /* Maybe 9? */
                *status |= FE_HAS_LOCK;
 
-       dprintk("val = %d, status = 0x%02x\n", val, *status);
+       dev_dbg(&state->i2c->dev, "%s: Status = 0x%02x (state = %d)\n",
+                __func__, *status, val);
 
        return 0;
 }
@@ -278,8 +268,6 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
        unsigned rf_max, rf_min, rf;
        u8       val;
 
-       dprintk("\n");
-
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 0);
 
@@ -300,12 +288,13 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
                        rf_max = (rf_max + rf_min) / 2;
                if (rf_max - rf_min < 4) {
                        *strength = (((rf_max + rf_min) / 2) * 65535) / 4095;
+                       dev_dbg(&state->i2c->dev,
+                               "%s: signal strength = %d (%d < RF=%d < %d)\n",
+                               __func__, rf, rf_min, rf >> 4, rf_max);
                        break;
                }
        } while (1);
 
-       dprintk("signal strength = %d\n", *strength);
-
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 1);
 
@@ -419,15 +408,17 @@ static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
                                      unsigned layer)
 {
        int rc, count;
-
        static unsigned char reg[] = {
                [0] = 0x89,     /* Layer A */
                [1] = 0x8d,     /* Layer B */
                [2] = 0x91,     /* Layer C */
        };
 
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
+
        if (layer >= ARRAY_SIZE(reg))
                return -EINVAL;
+
        rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
        if (rc < 0)
                return rc;
@@ -436,13 +427,18 @@ static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
                return rc;
        count = (rc >> 4) & 0x0f;
 
+       dev_dbg(&state->i2c->dev, "%s: segments: %d.\n", __func__, count);
+
        return count;
 }
 
 static void mb86a20s_reset_frontend_cache(struct dvb_frontend *fe)
 {
+       struct mb86a20s_state *state = fe->demodulator_priv;
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
+
        /* Fixed parameters */
        c->delivery_system = SYS_ISDBT;
        c->bandwidth_hz = 6000000;
@@ -461,6 +457,8 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int i, rc;
 
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
+
        /* Reset frontend cache to default values */
        mb86a20s_reset_frontend_cache(fe);
 
@@ -479,9 +477,12 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
        /* Get per-layer data */
 
        for (i = 0; i < 3; i++) {
+               dev_dbg(&state->i2c->dev, "%s: getting data for layer %c.\n",
+                       __func__, 'A' + i);
+
                rc = mb86a20s_get_segment_count(state, i);
                if (rc < 0)
-                       goto error;
+                       goto noperlayer_error;
                if (rc >= 0 && rc < 14)
                        c->layer[i].segment_count = rc;
                else {
@@ -491,15 +492,21 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
                c->isdbt_layer_enabled |= 1 << i;
                rc = mb86a20s_get_modulation(state, i);
                if (rc < 0)
-                       goto error;
+                       goto noperlayer_error;
+               dev_dbg(&state->i2c->dev, "%s: modulation %d.\n",
+                       __func__, rc);
                c->layer[i].modulation = rc;
                rc = mb86a20s_get_fec(state, i);
                if (rc < 0)
-                       goto error;
+                       goto noperlayer_error;
+               dev_dbg(&state->i2c->dev, "%s: FEC %d.\n",
+                       __func__, rc);
                c->layer[i].fec = rc;
                rc = mb86a20s_get_interleaving(state, i);
                if (rc < 0)
-                       goto error;
+                       goto noperlayer_error;
+               dev_dbg(&state->i2c->dev, "%s: interleaving %d.\n",
+                       __func__, rc);
                c->layer[i].interleaving = rc;
        }
 
@@ -544,7 +551,7 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
                }
        }
 
-error:
+noperlayer_error:
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 1);
 
@@ -558,7 +565,7 @@ static int mb86a20s_initfe(struct dvb_frontend *fe)
        int rc;
        u8  regD5 = 1;
 
-       dprintk("\n");
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
 
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 0);
@@ -585,10 +592,11 @@ err:
 
        if (rc < 0) {
                state->need_init = true;
-               printk(KERN_INFO "mb86a20s: Init failed. Will try again later\n");
+               dev_info(&state->i2c->dev,
+                        "mb86a20s: Init failed. Will try again later\n");
        } else {
                state->need_init = false;
-               dprintk("Initialization succeeded.\n");
+               dev_dbg(&state->i2c->dev, "Initialization succeeded.\n");
        }
        return rc;
 }
@@ -603,8 +611,7 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
         */
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 #endif
-
-       dprintk("\n");
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
 
        /*
         * Gate should already be opened, but it doesn't hurt to
@@ -612,7 +619,6 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
         */
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 1);
-       dprintk("Calling tuner set parameters\n");
        fe->ops.tuner_ops.set_params(fe);
 
        /*
@@ -637,13 +643,11 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe)
        return rc;
 }
 
-
 static int mb86a20s_read_status_gate(struct dvb_frontend *fe,
                                     fe_status_t *status)
 {
        int ret;
 
-       dprintk("\n");
        *status = 0;
 
        if (fe->ops.i2c_gate_ctrl)
@@ -663,9 +667,10 @@ static int mb86a20s_tune(struct dvb_frontend *fe,
                        unsigned int *delay,
                        fe_status_t *status)
 {
+       struct mb86a20s_state *state = fe->demodulator_priv;
        int rc = 0;
 
-       dprintk("\n");
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
 
        if (re_tune)
                rc = mb86a20s_set_frontend(fe);
@@ -680,7 +685,7 @@ static void mb86a20s_release(struct dvb_frontend *fe)
 {
        struct mb86a20s_state *state = fe->demodulator_priv;
 
-       dprintk("\n");
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
 
        kfree(state);
 }
@@ -690,15 +695,16 @@ static struct dvb_frontend_ops mb86a20s_ops;
 struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
                                    struct i2c_adapter *i2c)
 {
+       struct mb86a20s_state *state;
        u8      rev;
 
        /* allocate memory for the internal state */
-       struct mb86a20s_state *state =
-               kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
+       state = kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
 
-       dprintk("\n");
+       dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
        if (state == NULL) {
-               rc("Unable to kzalloc\n");
+               dev_err(&state->i2c->dev,
+                       "%s: unable to allocate memory for state\n", __func__);
                goto error;
        }
 
@@ -715,9 +721,11 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
        rev = mb86a20s_readreg(state, 0);
 
        if (rev == 0x13) {
-               printk(KERN_INFO "Detected a Fujitsu mb86a20s frontend\n");
+               dev_info(&state->i2c->dev,
+                        "Detected a Fujitsu mb86a20s frontend\n");
        } else {
-               printk(KERN_ERR "Frontend revision %d is unknown - aborting.\n",
+               dev_dbg(&state->i2c->dev,
+                       "Frontend revision %d is unknown - aborting.\n",
                       rev);
                goto error;
        }