Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c:571:5: warning: no previous
prototype for ‘analogix_dp_write_byte_to_dpcd’ [-Wmissing-prototypes]
Cc: Andrzej Hajda <a.ha...@samsung.com>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Jonas Karlman <jo...@kwiboo.se>
Cc: Jernej Skrabec <jernej.skra...@siol.net>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: Jason Yan <yanai...@huawei.com>
Cc: Sam Ravnborg <s...@ravnborg.org>
Cc: Jingoo Han <jg1....@samsung.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
.../gpu/drm/bridge/analogix/analogix_dp_reg.c | 44 -------------------
1 file changed, 44 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index fafb4b492ea04..9ce45c757f8c8 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -568,50 +568,6 @@ static int analogix_dp_start_aux_transaction(struct
analogix_dp_device *dp)
return retval;
}
-int analogix_dp_write_byte_to_dpcd(struct analogix_dp_device *dp,
- unsigned int reg_addr,
- unsigned char data)
-{
- u32 reg;
- int i;
- int retval;
-
- for (i = 0; i < 3; i++) {
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + ANALOGIX_DP_BUFFER_DATA_CTL);
-
- /* Select DPCD device address */
- reg = AUX_ADDR_7_0(reg_addr);
- writel(reg, dp->reg_base + ANALOGIX_DP_AUX_ADDR_7_0);
- reg = AUX_ADDR_15_8(reg_addr);
- writel(reg, dp->reg_base + ANALOGIX_DP_AUX_ADDR_15_8);
- reg = AUX_ADDR_19_16(reg_addr);
- writel(reg, dp->reg_base + ANALOGIX_DP_AUX_ADDR_19_16);
-
- /* Write data buffer */
- reg = (unsigned int)data;
- writel(reg, dp->reg_base + ANALOGIX_DP_BUF_DATA_0);
-
- /*
- * Set DisplayPort transaction and write 1 byte
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
- writel(reg, dp->reg_base + ANALOGIX_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = analogix_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
-
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
- }
-
- return retval;
-}
-
void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype)
{
u32 reg;
--
2.25.1
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