[PATCH v3] soc: fsl: enable acpi support

From: Ran Wang
Date: Wed Aug 19 2020 - 00:12:33 EST


From: Peng Ma <peng.ma@xxxxxxx>

This patch enables ACPI support in RCPM driver.

Signed-off-by: Peng Ma <peng.ma@xxxxxxx>
Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>
---
Change in v3:
- Add #ifdef CONFIG_ACPI for acpi_device_id
- Rename rcpm_acpi_imx_ids to rcpm_acpi_ids

Change in v2:
- Update acpi_device_id to fix conflict with other driver

drivers/soc/fsl/rcpm.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/fsl/rcpm.c b/drivers/soc/fsl/rcpm.c
index a093dbe..55d1d73 100644
--- a/drivers/soc/fsl/rcpm.c
+++ b/drivers/soc/fsl/rcpm.c
@@ -2,7 +2,7 @@
//
// rcpm.c - Freescale QorIQ RCPM driver
//
-// Copyright 2019 NXP
+// Copyright 2019-2020 NXP
//
// Author: Ran Wang <ran.wang_1@xxxxxxx>

@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/kernel.h>
+#include <linux/acpi.h>

#define RCPM_WAKEUP_CELL_MAX_SIZE 7

@@ -125,6 +126,7 @@ static int rcpm_probe(struct platform_device *pdev)

ret = device_property_read_u32(&pdev->dev,
"#fsl,rcpm-wakeup-cells", &rcpm->wakeup_cells);
+
if (ret)
return ret;

@@ -139,10 +141,19 @@ static const struct of_device_id rcpm_of_match[] = {
};
MODULE_DEVICE_TABLE(of, rcpm_of_match);

+#ifdef CONFIG_ACPI
+static const struct acpi_device_id rcpm_acpi_ids[] = {
+ {"NXP0015",},
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, rcpm_acpi_ids);
+#endif
+
static struct platform_driver rcpm_driver = {
.driver = {
.name = "rcpm",
.of_match_table = rcpm_of_match,
+ .acpi_match_table = ACPI_PTR(rcpm_acpi_ids),
.pm = &rcpm_pm_ops,
},
.probe = rcpm_probe,
--
2.7.4