WIP: Remove hardcoded values patch related to mcp251x

recipes-kernel/linux/linux-yocto/0051-Add-ACPI-support-for-MCP251x-CAN-controller.patch

@@ -1,17 +1,17 @@
-From 99ccc44129455c49d65097ca1db73dc28055e446 Mon Sep 17 00:00:00 2001
+From bc3f60cf8fd787ed4c222323fb9a3aaa20aa129e Mon Sep 17 00:00:00 2001
 From: Sugnan Prabhu S <[email protected]>
 Date: Wed, 20 Sep 2017 10:54:32 +0530
-Subject: [PATCH 1/2] Add ACPI support for MCP251x CAN controller
+Subject: [PATCH] Add ACPI support for MCP251x CAN controller
 
 This patch adds ACPI support for mcp251x can controller.
 
 Signed-off-by: Sugnan Prabhu S <[email protected]>
 ---
- drivers/net/can/spi/mcp251x.c | 21 +++++++++++++++++++++
- 1 file changed, 21 insertions(+)
+ drivers/net/can/spi/mcp251x.c | 23 +++++++++++++++++++++++
+ 1 file changed, 23 insertions(+)
 
 diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
-index 575790e..3882e8d 100644
+index 575790e..8dd154c 100644
 --- a/drivers/net/can/spi/mcp251x.c
 +++ b/drivers/net/can/spi/mcp251x.c
 @@ -54,6 +54,7 @@
@@ -35,7 +35,7 @@ index 575790e..3882e8d 100644
  static int mcp251x_can_probe(struct spi_device *spi)
  {
  	const struct of_device_id *of_id = of_match_device(mcp251x_of_match,
-@@ -1032,6 +1039,16 @@ static int mcp251x_can_probe(struct spi_device *spi)
+@@ -1032,11 +1039,23 @@ static int mcp251x_can_probe(struct spi_device *spi)
  	struct mcp251x_priv *priv;
  	struct clk *clk;
  	int freq, ret;
@@ -52,7 +52,14 @@ index 575790e..3882e8d 100644
 
  	clk = devm_clk_get(&spi->dev, NULL);
  	if (IS_ERR(clk)) {
-@@ -1069,8 +1086,11 @@ static int mcp251x_can_probe(struct spi_device *spi)
+ 		if (pdata)
+ 			freq = pdata->oscillator_frequency;
++		else if (has_acpi_companion(&spi->dev) && !device_property_read_u32(&spi->dev, "clock-frequency", &freq))
++			dev_dbg(&spi->dev, "source clock frequency %d", freq);
+ 		else
+ 			return PTR_ERR(clk);
+ 	} else {
+@@ -1069,8 +1088,11 @@ static int mcp251x_can_probe(struct spi_device *spi)
  		CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY;
  	if (of_id)
  		priv->model = (enum mcp251x_model)of_id->data;
@@ -64,7 +71,7 @@ index 575790e..3882e8d 100644
  	priv->net = net;
  	priv->clk = clk;
 
-@@ -1244,6 +1264,7 @@ static struct spi_driver mcp251x_can_driver = {
+@@ -1244,6 +1266,7 @@ static struct spi_driver mcp251x_can_driver = {
  	.driver = {
  		.name = DEVICE_NAME,
  		.of_match_table = mcp251x_of_match,

recipes-kernel/linux/linux-yocto_4.4.bbappend

@@ -60,7 +60,6 @@ SRC_URI += " \
 	file://0049-drivers-media-ov7251-Enable-set-exposure-and-gain.patch \
 	file://0050-drivers-media-atomisp-Allow-user-set-exposure-and-ga.patch \
 	file://0051-Add-ACPI-support-for-MCP251x-CAN-controller.patch \
-	file://0052-workaround-for-wrong-ACPI-configuration-passed-for-mcp251x.patch \
 	"
 
 do_install_append() {