[media] smiapp: Remove unnecessary BUG_ON()'s

Instead, calculate how much is needed and then allocate the memory
dynamically.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index e5d4584..9873b3d 100644 (file)
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -621,7 +621,7 @@ static int smiapp_init_controls(struct smiapp_sensor *sensor)
 static int smiapp_init_late_controls(struct smiapp_sensor *sensor)
 {
        unsigned long *valid_link_freqs = &sensor->valid_link_freqs[
-               sensor->csi_format->compressed - SMIAPP_COMPRESSED_BASE];
+               sensor->csi_format->compressed - sensor->compressed_min_bpp];
        unsigned int max, i;
 
        for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) {
@@ -754,6 +754,7 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
 {
        struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
        struct smiapp_pll *pll = &sensor->pll;
+       u8 compressed_max_bpp = 0;
        unsigned int type, n;
        unsigned int i, pixel_order;
        int rval;
@@ -826,16 +827,27 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
        pll->scale_m = sensor->scale_m;
 
        for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
+               sensor->compressed_min_bpp =
+                       min(smiapp_csi_data_formats[i].compressed,
+                           sensor->compressed_min_bpp);
+               compressed_max_bpp =
+                       max(smiapp_csi_data_formats[i].compressed,
+                           compressed_max_bpp);
+       }
+
+       sensor->valid_link_freqs = devm_kcalloc(
+               &client->dev,
+               compressed_max_bpp - sensor->compressed_min_bpp + 1,
+               sizeof(*sensor->valid_link_freqs), GFP_KERNEL);
+
+       for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
                const struct smiapp_csi_data_format *f =
                        &smiapp_csi_data_formats[i];
                unsigned long *valid_link_freqs =
                        &sensor->valid_link_freqs[
-                               f->compressed - SMIAPP_COMPRESSED_BASE];
+                               f->compressed - sensor->compressed_min_bpp];
                unsigned int j;
 
-               BUG_ON(f->compressed < SMIAPP_COMPRESSED_BASE);
-               BUG_ON(f->compressed > SMIAPP_COMPRESSED_MAX);
-
                if (!(sensor->default_mbus_frame_fmts & 1 << i))
                        continue;
 
@@ -1769,7 +1781,7 @@ static int smiapp_set_format_source(struct v4l2_subdev *subdev,
 
        valid_link_freqs = 
                &sensor->valid_link_freqs[sensor->csi_format->compressed
-                                         - SMIAPP_COMPRESSED_BASE];
+                                         - sensor->compressed_min_bpp];
 
        __v4l2_ctrl_modify_range(
                sensor->link_freq, 0,

diff --git a/drivers/media/i2c/smiapp/smiapp.h b/drivers/media/i2c/smiapp/smiapp.h
index aae72bc..e71271e 100644 (file)
--- a/drivers/media/i2c/smiapp/smiapp.h
+++ b/drivers/media/i2c/smiapp/smiapp.h
@@ -150,11 +150,6 @@ struct smiapp_csi_data_format {
 #define SMIAPP_PAD_SRC                 1
 #define SMIAPP_PADS                    2
 
-#define SMIAPP_COMPRESSED_BASE         8
-#define SMIAPP_COMPRESSED_MAX          16
-#define SMIAPP_NR_OF_COMPRESSED                (SMIAPP_COMPRESSED_MAX - \
-                                        SMIAPP_COMPRESSED_BASE + 1)
-
 struct smiapp_binning_subtype {
        u8 horizontal:4;
        u8 vertical:4;
@@ -224,6 +219,7 @@ struct smiapp_sensor {
 
        bool streaming;
        bool dev_init_done;
+       u8 compressed_min_bpp;
 
        u8 *nvm;                /* nvm memory buffer */
        unsigned int nvm_size;  /* bytes */
@@ -233,7 +229,7 @@ struct smiapp_sensor {
        struct smiapp_pll pll;
 
        /* Is a default format supported for a given BPP? */
-       unsigned long valid_link_freqs[SMIAPP_NR_OF_COMPRESSED];
+       unsigned long *valid_link_freqs;
 
        /* Pixel array controls */
        struct v4l2_ctrl *analog_gain;