Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 31 insertions, 3 deletions

diff --git a/drivers/soc/microchip/Kconfig b/drivers/soc/microchip/Kconfig
index f19e74d342..19f4b576f8 100644
--- a/drivers/soc/microchip/Kconfig
+++ b/drivers/soc/microchip/Kconfig
@@ -1,6 +1,7 @@
 config POLARFIRE_SOC_SYS_CTRL
 	tristate "Microchip PolarFire SoC (MPFS) system controller support"
 	depends on POLARFIRE_SOC_MAILBOX
+	depends on MTD
 	help
 	  This driver adds support for the PolarFire SoC (MPFS) system controller.
 
diff --git a/drivers/soc/microchip/mpfs-sys-controller.c b/drivers/soc/microchip/mpfs-sys-controller.c
index 0935e9e941..7a49360193 100644
--- a/drivers/soc/microchip/mpfs-sys-controller.c
+++ b/drivers/soc/microchip/mpfs-sys-controller.c
@@ -12,6 +12,8 @@
 #include <linux/kref.h>
 #include <linux/module.h>
 #include <linux/jiffies.h>
+#include <linux/mtd/mtd.h>
+#include <linux/spi/spi.h>
 #include <linux/interrupt.h>
 #include <linux/of.h>
 #include <linux/mailbox_client.h>
@@ -30,6 +32,7 @@ struct mpfs_sys_controller {
 	struct mbox_client client;
 	struct mbox_chan *chan;
 	struct completion c;
+	struct mtd_info *flash;
 	struct kref consumers;
 };
 
@@ -63,7 +66,9 @@ int mpfs_blocking_transaction(struct mpfs_sys_controller *sys_controller, struct
 	 */
 	if (!wait_for_completion_timeout(&sys_controller->c, timeout)) {
 		ret = -EBADMSG;
-		dev_warn(sys_controller->client.dev, "MPFS sys controller service failed\n");
+		dev_warn(sys_controller->client.dev,
+			 "MPFS sys controller service failed with status: %d\n",
+			 msg->response->resp_status);
 	} else {
 		ret = 0;
 	}
@@ -99,6 +104,12 @@ static void mpfs_sys_controller_put(void *data)
 	kref_put(&sys_controller->consumers, mpfs_sys_controller_delete);
 }
 
+struct mtd_info *mpfs_sys_controller_get_flash(struct mpfs_sys_controller *mpfs_client)
+{
+	return mpfs_client->flash;
+}
+EXPORT_SYMBOL(mpfs_sys_controller_get_flash);
+
 static struct platform_device subdevs[] = {
 	{
 		.name		= "mpfs-rng",
@@ -107,19 +118,34 @@ static struct platform_device subdevs[] = {
 	{
 		.name		= "mpfs-generic-service",
 		.id		= -1,
-	}
+	},
+	{
+		.name		= "mpfs-auto-update",
+		.id		= -1,
+	},
 };
 
 static int mpfs_sys_controller_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct mpfs_sys_controller *sys_controller;
+	struct device_node *np;
 	int i, ret;
 
 	sys_controller = kzalloc(sizeof(*sys_controller), GFP_KERNEL);
 	if (!sys_controller)
 		return -ENOMEM;
 
+	np = of_parse_phandle(dev->of_node, "microchip,bitstream-flash", 0);
+	if (!np)
+		goto no_flash;
+
+	sys_controller->flash = of_get_mtd_device_by_node(np);
+	of_node_put(np);
+	if (IS_ERR(sys_controller->flash))
+		return dev_err_probe(dev, PTR_ERR(sys_controller->flash), "Failed to get flash\n");
+
+no_flash:
 	sys_controller->client.dev = dev;
 	sys_controller->client.rx_callback = mpfs_sys_controller_rx_callback;
 	sys_controller->client.tx_block = 1U;
@@ -138,7 +164,6 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, sys_controller);
 
-	dev_info(&pdev->dev, "Registered MPFS system controller\n");
 
 	for (i = 0; i < ARRAY_SIZE(subdevs); i++) {
 		subdevs[i].dev.parent = dev;
@@ -146,6 +171,8 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
 			dev_warn(dev, "Error registering sub device %s\n", subdevs[i].name);
 	}
 
+	dev_info(&pdev->dev, "Registered MPFS system controller\n");
+
 	return 0;
 }