1 files changed, 109 insertions, 0 deletions
diff --git a/patches/linux-4.13-rc4/0035-m-drivers-remoteproc-imx_rproc.c.patch b/patches/linux-4.13-rc4/0035-m-drivers-remoteproc-imx_rproc.c.patch
new file mode 100644
index 0000000..a498aff
--- /dev/null
+++ b/patches/linux-4.13-rc4/0035-m-drivers-remoteproc-imx_rproc.c.patch
@@ -0,0 +1,109 @@
+From 941b1685144529956d0695d8c5fdc84a4aed175b Mon Sep 17 00:00:00 2001
+From: Oleksij Rempel <linux@rempel-privat.de>
+Date: Wed, 27 Sep 2017 14:56:32 +0200
+Subject: [PATCH] m drivers/remoteproc/imx_rproc.c
+
+Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
+---
+ drivers/remoteproc/imx_rproc.c | 67 ++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 67 insertions(+)
+
+diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
+index 3bd638c7a07e..8259518e4d3f 100644
+--- a/drivers/remoteproc/imx_rproc.c
++++ b/drivers/remoteproc/imx_rproc.c
+@@ -47,6 +47,7 @@
+ 					 | IMX6SX_SW_M4C_RST)
+ 
+ #define IMX7D_RPROC_MEM_MAX		8
++#define IMX7D_RPROC_RCLKS_MAX		8
+ 
+ /**
+  * struct imx_rproc_mem - slim internal memory structure
+@@ -88,6 +89,7 @@ struct imx_rproc {
+ 	const struct imx_rproc_dcfg	*dcfg;
+ 	struct imx_rproc_mem		mem[IMX7D_RPROC_MEM_MAX];
+ 	struct clk			*clk;
++	struct clk			*rclk[IMX7D_RPROC_RCLKS_MAX];
+ };
+ 
+ static const struct imx_rproc_att imx_rproc_att_imx7d[] = {
+@@ -252,6 +254,65 @@ static const struct rproc_ops imx_rproc_ops = {
+ 	.da_to_va       = imx_rproc_da_to_va,
+ };
+ 
++static int imx_rproc_set_rclks(struct imx_rproc *priv)
++{
++	struct device *dev = priv->dev;
++	struct device_node *node = dev->of_node;
++	struct of_phandle_args clkspec;
++	int index, rc, ret, num_parents;
++	struct clk *clk, *pclk;
++
++	num_parents = of_count_phandle_with_args(node, "remote-clocks",
++						 "#clock-cells");
++	if (num_parents == -EINVAL) {
++		dev_err(dev, "clk: invalid value of remote-clocks property at %s\n",
++		       node->full_name);
++		return -EINVAL;
++	}
++
++	if (IMX7D_RPROC_RCLKS_MAX < num_parents) {
++		dev_err(dev, "unsupported count of remote clocks: %i, max: %i\n",
++			 num_parents, IMX7D_RPROC_RCLKS_MAX);
++		return -EINVAL;
++	}
++
++	for (index = 0; index < num_parents; index++) {
++		rc = of_parse_phandle_with_args(node, "remote-clocks",
++					"#clock-cells", index, &clkspec);
++		if (rc < 0)
++			goto err;
++
++		if (clkspec.np == node) {
++			rc = 0;
++			goto err;
++		}
++
++		clk = of_clk_get_from_provider(&clkspec);
++		if (IS_ERR(clk)) {
++			if (PTR_ERR(clk) != -EPROBE_DEFER)
++				dev_warn(dev, "clk: couldn't get assigned clock %d for %s\n",
++					index, node->full_name);
++			rc = PTR_ERR(clk);
++			goto err;
++		}
++
++		/*
++		 * clk for M4 block including memory. Should be
++		 * enabled before .start for FW transfer.
++		 */
++		ret = clk_prepare_enable(clk);
++		if (ret) {
++			dev_err(dev, "Failed to enable clock\n");
++			return ret;
++		}
++
++	}
++	return 0;
++err:
++	return rc;
++}
++
++
+ static int imx_rproc_addr_init(struct imx_rproc *priv,
+ 			       struct platform_device *pdev)
+ {
+@@ -378,6 +439,12 @@ static int imx_rproc_probe(struct platform_device *pdev)
+ 		return ret;
+ 	}
+ 
++	ret = imx_rproc_set_rclks(priv);
++	if (ret) {
++		dev_err(dev, "filed on imx_rproc_set_rclks\n");
++		goto err_put_rproc;
++	}
++
+ 	ret = rproc_add(rproc);
+ 	if (ret) {
+ 		dev_err(dev, "rproc_add failed\n");