bcm27xx: remove obsolete kernel 5.4

With the upgrade to kernel 5.10 per default the old version is no
longer required to be in tree.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 159 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0803-media-rcar-csi2-Negotiate-data-lanes-number.patch b/target/linux/bcm27xx/patches-5.4/950-0803-media-rcar-csi2-Negotiate-data-lanes-number.patch
deleted file mode 100644
index f54b33e59c..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0803-media-rcar-csi2-Negotiate-data-lanes-number.patch
+++ /dev/null
@@ -1,159 +0,0 @@
-From 15221304a23fd99c84a6da4b68dc0e887150d1ee Mon Sep 17 00:00:00 2001
-From: Jacopo Mondi <jacopo+renesas@jmondi.org>
-Date: Tue, 16 Jun 2020 16:12:44 +0200
-Subject: [PATCH] media: rcar-csi2: Negotiate data lanes number
-
-Upstream https://patchwork.linuxtv.org/patch/64675/
-
-Use the newly introduced get_mbus_config() subdevice pad operation to
-retrieve the remote subdevice MIPI CSI-2 bus configuration and configure
-the number of active data lanes accordingly.
-
-In order to be able to call the remote subdevice operation cache the
-index of the remote pad connected to the single CSI-2 input port.
-
-Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
----
- drivers/media/platform/rcar-vin/rcar-csi2.c | 74 +++++++++++++++++++--
- 1 file changed, 67 insertions(+), 7 deletions(-)
-
---- a/drivers/media/platform/rcar-vin/rcar-csi2.c
-+++ b/drivers/media/platform/rcar-vin/rcar-csi2.c
-@@ -362,6 +362,7 @@ struct rcar_csi2 {
- 
- 	struct v4l2_async_notifier notifier;
- 	struct v4l2_subdev *remote;
-+	unsigned int remote_pad;
- 
- 	struct v4l2_mbus_framefmt mf;
- 
-@@ -407,13 +408,14 @@ static void rcsi2_exit_standby(struct rc
- 	reset_control_deassert(priv->rstc);
- }
- 
--static int rcsi2_wait_phy_start(struct rcar_csi2 *priv)
-+static int rcsi2_wait_phy_start(struct rcar_csi2 *priv,
-+				unsigned int active_lanes)
- {
- 	unsigned int timeout;
- 
- 	/* Wait for the clock and data lanes to enter LP-11 state. */
- 	for (timeout = 0; timeout <= 20; timeout++) {
--		const u32 lane_mask = (1 << priv->lanes) - 1;
-+		const u32 lane_mask = (1 << active_lanes) - 1;
- 
- 		if ((rcsi2_read(priv, PHCLM_REG) & PHCLM_STOPSTATECKL)  &&
- 		    (rcsi2_read(priv, PHDLM_REG) & lane_mask) == lane_mask)
-@@ -445,7 +447,8 @@ static int rcsi2_set_phypll(struct rcar_
- 	return 0;
- }
- 
--static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp)
-+static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp,
-+			   unsigned int active_lanes)
- {
- 	struct v4l2_subdev *source;
- 	struct v4l2_ctrl *ctrl;
-@@ -470,15 +473,63 @@ static int rcsi2_calc_mbps(struct rcar_c
- 	 * bps = link_freq * 2
- 	 */
- 	mbps = v4l2_ctrl_g_ctrl_int64(ctrl) * bpp;
--	do_div(mbps, priv->lanes * 1000000);
-+	do_div(mbps, active_lanes * 1000000);
- 
- 	return mbps;
- }
- 
-+static int rcsi2_config_active_lanes(struct rcar_csi2 *priv,
-+				     unsigned int *active_lanes)
-+{
-+	struct v4l2_mbus_config mbus_config = { 0 };
-+	unsigned int num_lanes = (-1U);
-+	int ret;
-+
-+	*active_lanes = priv->lanes;
-+	ret = v4l2_subdev_call(priv->remote, pad, get_mbus_config,
-+			       priv->remote_pad, &mbus_config);
-+	if (ret == -ENOIOCTLCMD) {
-+		dev_dbg(priv->dev, "No remote mbus configuration available\n");
-+		return 0;
-+	}
-+
-+	if (ret) {
-+		dev_err(priv->dev, "Failed to get remote mbus configuration\n");
-+		return ret;
-+	}
-+
-+	if (mbus_config.type != V4L2_MBUS_CSI2_DPHY) {
-+		dev_err(priv->dev, "Unsupported media bus type %u\n",
-+			mbus_config.type);
-+		return -EINVAL;
-+	}
-+
-+	if (mbus_config.flags & V4L2_MBUS_CSI2_1_LANE)
-+		num_lanes = 1;
-+	else if (mbus_config.flags & V4L2_MBUS_CSI2_2_LANE)
-+		num_lanes = 2;
-+	else if (mbus_config.flags & V4L2_MBUS_CSI2_3_LANE)
-+		num_lanes = 3;
-+	else if (mbus_config.flags & V4L2_MBUS_CSI2_4_LANE)
-+		num_lanes = 4;
-+
-+	if (num_lanes > priv->lanes) {
-+		dev_err(priv->dev,
-+			"Unsupported mbus config: too many data lanes %u\n",
-+			num_lanes);
-+		return -EINVAL;
-+	}
-+
-+	*active_lanes = num_lanes;
-+
-+	return 0;
-+}
-+
- static int rcsi2_start_receiver(struct rcar_csi2 *priv)
- {
- 	const struct rcar_csi2_format *format;
- 	u32 phycnt, vcdt = 0, vcdt2 = 0, fld = 0;
-+	unsigned int active_lanes;
- 	unsigned int i;
- 	int mbps, ret;
- 
-@@ -520,10 +571,18 @@ static int rcsi2_start_receiver(struct r
- 			fld |= FLD_FLD_NUM(1);
- 	}
- 
-+	/*
-+	 * Get the number of active data lanes inspecting the remote mbus
-+	 * configuration.
-+	 */
-+	ret = rcsi2_config_active_lanes(priv, &active_lanes);
-+	if (ret)
-+		return ret;
-+
- 	phycnt = PHYCNT_ENABLECLK;
--	phycnt |= (1 << priv->lanes) - 1;
-+	phycnt |= (1 << active_lanes) - 1;
- 
--	mbps = rcsi2_calc_mbps(priv, format->bpp);
-+	mbps = rcsi2_calc_mbps(priv, format->bpp, active_lanes);
- 	if (mbps < 0)
- 		return mbps;
- 
-@@ -570,7 +629,7 @@ static int rcsi2_start_receiver(struct r
- 	rcsi2_write(priv, PHYCNT_REG, phycnt | PHYCNT_SHUTDOWNZ);
- 	rcsi2_write(priv, PHYCNT_REG, phycnt | PHYCNT_SHUTDOWNZ | PHYCNT_RSTZ);
- 
--	ret = rcsi2_wait_phy_start(priv);
-+	ret = rcsi2_wait_phy_start(priv, active_lanes);
- 	if (ret)
- 		return ret;
- 
-@@ -747,6 +806,7 @@ static int rcsi2_notify_bound(struct v4l
- 	}
- 
- 	priv->remote = subdev;
-+	priv->remote_pad = pad;
- 
- 	dev_dbg(priv->dev, "Bound %s pad: %d\n", subdev->name, pad);
-