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Subject: media: ccs-pll: Remove parallel bus support
Author:  Sakari Ailus <[email protected]>
Date:    Thu Jun 18 13:23:26 2020 +0200

The parallel bus PLL calculation has no users. Remove it.

Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/i2c/ccs-pll.c |  5 -----
 drivers/media/i2c/ccs-pll.h | 14 ++++----------
 2 files changed, 4 insertions(+), 15 deletions(-)

---

diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c
index 22e29127804a..da97a2b91717 100644
--- a/drivers/media/i2c/ccs-pll.c
+++ b/drivers/media/i2c/ccs-pll.c
@@ -435,11 +435,6 @@ int ccs_pll_calculate(struct device *dev, const struct 
ccs_pll_limits *lim,
                op_pll_fr->pll_op_clk_freq_hz = pll->link_freq * 2
                        * (pll->csi2.lanes / lane_op_clock_ratio);
                break;
-       case CCS_PLL_BUS_TYPE_PARALLEL:
-               op_pll_fr->pll_op_clk_freq_hz = pll->link_freq * 
pll->bits_per_pixel
-                       / DIV_ROUND_UP(pll->bits_per_pixel,
-                                      pll->parallel.bus_width);
-               break;
        default:
                return -EINVAL;
        }
diff --git a/drivers/media/i2c/ccs-pll.h b/drivers/media/i2c/ccs-pll.h
index 03b1d8d11423..578c9272688a 100644
--- a/drivers/media/i2c/ccs-pll.h
+++ b/drivers/media/i2c/ccs-pll.h
@@ -13,8 +13,7 @@
 #define CCS_PLL_H
 
 /* CSI-2 or CCP-2 */
-#define CCS_PLL_BUS_TYPE_CSI2                          0x00
-#define CCS_PLL_BUS_TYPE_PARALLEL                              0x01
+#define CCS_PLL_BUS_TYPE_CSI2                                  0x00
 
 /* op pix clock is for all lanes in total normally */
 #define CCS_PLL_FLAG_OP_PIX_CLOCK_PER_LANE                     (1 << 0)
@@ -37,14 +36,9 @@ struct ccs_pll_branch_bk {
 struct ccs_pll {
        /* input values */
        uint8_t bus_type;
-       union {
-               struct {
-                       uint8_t lanes;
-               } csi2;
-               struct {
-                       uint8_t bus_width;
-               } parallel;
-       };
+       struct {
+               uint8_t lanes;
+       } csi2;
        unsigned long flags;
        uint8_t binning_horizontal;
        uint8_t binning_vertical;

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