[PATCH v2 1/5] input/serio/i8042: Attach fwnode to serio i8042 kbd device

Rajat Jain
2020-03-24T12:35:28Z

Attach the firmware node to the serio i8042 kbd device so that device
properties can be passed from the firmware.

Signed-off-by: Rajat Jain <rajatja@google.com>
---
v2: Remove the Change-Id from the commit log

drivers/input/serio/i8042-x86ia64io.h | 1 +
drivers/input/serio/i8042.c | 3 +++
2 files changed, 4 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index dc974c288e880..ed9ec4310d976 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -927,6 +927,7 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
}
i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
sizeof(i8042_kbd_firmware_id));
+ i8042_kbd_fwnode = dev_fwnode(&dev->dev);

/* Keyboard ports are always supposed to be wakeup-enabled */
device_set_wakeup_enable(&dev->dev, true);
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 20ff2bed3917a..0dddf273afd94 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -21,6 +21,7 @@
#include <linux/i8042.h>
#include <linux/slab.h>
#include <linux/suspend.h>
+#include <linux/property.h>

#include <asm/io.h>

@@ -124,6 +125,7 @@ MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive da
static bool i8042_bypass_aux_irq_test;
static char i8042_kbd_firmware_id[128];
static char i8042_aux_firmware_id[128];
+static struct fwnode_handle *i8042_kbd_fwnode;

#include "i8042.h"

@@ -1335,6 +1337,7 @@ static int __init i8042_create_kbd_port(void)
strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));
strlcpy(serio->firmware_id, i8042_kbd_firmware_id,
sizeof(serio->firmware_id));
+ set_primary_fwnode(&serio->dev, i8042_kbd_fwnode);

port->serio = serio;
port->irq = I8042_KBD_IRQ;
--
2.25.1.696.g5e7596f4ac-goog