[PATCH] mailbox: Use device_get_match_data()

From: Rob Herring
Date: Fri Oct 06 2023 - 18:44:28 EST


Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
drivers/mailbox/bcm-pdc-mailbox.c | 10 +++-------
drivers/mailbox/mailbox-sti.c | 8 +++-----
drivers/mailbox/ti-msgmgr.c | 12 ++----------
3 files changed, 8 insertions(+), 22 deletions(-)

diff --git a/drivers/mailbox/bcm-pdc-mailbox.c b/drivers/mailbox/bcm-pdc-mailbox.c
index d67db63b482d..778faeced81e 100644
--- a/drivers/mailbox/bcm-pdc-mailbox.c
+++ b/drivers/mailbox/bcm-pdc-mailbox.c
@@ -33,10 +33,9 @@
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/io.h>
#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/mailbox_controller.h>
#include <linux/mailbox/brcm-message.h>
@@ -1494,7 +1493,6 @@ static int pdc_dt_read(struct platform_device *pdev, struct pdc_state *pdcs)
{
struct device *dev = &pdev->dev;
struct device_node *dn = pdev->dev.of_node;
- const struct of_device_id *match;
const int *hw_type;
int err;

@@ -1509,11 +1507,9 @@ static int pdc_dt_read(struct platform_device *pdev, struct pdc_state *pdcs)

pdcs->hw_type = PDC_HW;

- match = of_match_device(of_match_ptr(pdc_mbox_of_match), dev);
- if (match != NULL) {
- hw_type = match->data;
+ hw_type = device_get_match_data(dev);
+ if (hw_type)
pdcs->hw_type = *hw_type;
- }

return 0;
}
diff --git a/drivers/mailbox/mailbox-sti.c b/drivers/mailbox/mailbox-sti.c
index 823061dd8c8e..b4b5bdd503cf 100644
--- a/drivers/mailbox/mailbox-sti.c
+++ b/drivers/mailbox/mailbox-sti.c
@@ -17,8 +17,8 @@
#include <linux/mailbox_controller.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/slab.h>

#include "mailbox.h"
@@ -403,7 +403,6 @@ MODULE_DEVICE_TABLE(of, sti_mailbox_match);

static int sti_mbox_probe(struct platform_device *pdev)
{
- const struct of_device_id *match;
struct mbox_controller *mbox;
struct sti_mbox_device *mdev;
struct device_node *np = pdev->dev.of_node;
@@ -411,12 +410,11 @@ static int sti_mbox_probe(struct platform_device *pdev)
int irq;
int ret;

- match = of_match_device(sti_mailbox_match, &pdev->dev);
- if (!match) {
+ pdev->dev.platform_data = (struct sti_mbox_pdata *)device_get_match_data(&pdev->dev);
+ if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "No configuration found\n");
return -ENODEV;
}
- pdev->dev.platform_data = (struct sti_mbox_pdata *) match->data;

mdev = devm_kzalloc(&pdev->dev, sizeof(*mdev), GFP_KERNEL);
if (!mdev)
diff --git a/drivers/mailbox/ti-msgmgr.c b/drivers/mailbox/ti-msgmgr.c
index a94577f16a47..9d2d4ff6cda4 100644
--- a/drivers/mailbox/ti-msgmgr.c
+++ b/drivers/mailbox/ti-msgmgr.c
@@ -15,10 +15,10 @@
#include <linux/kernel.h>
#include <linux/mailbox_controller.h>
#include <linux/module.h>
-#include <linux/of_device.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/soc/ti/ti-msgmgr.h>

#define Q_DATA_OFFSET(proxy, queue, reg) \
@@ -810,7 +810,6 @@ MODULE_DEVICE_TABLE(of, ti_msgmgr_of_match);
static int ti_msgmgr_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- const struct of_device_id *of_id;
struct device_node *np;
const struct ti_msgmgr_desc *desc;
struct ti_msgmgr_inst *inst;
@@ -828,19 +827,12 @@ static int ti_msgmgr_probe(struct platform_device *pdev)
}
np = dev->of_node;

- of_id = of_match_device(ti_msgmgr_of_match, dev);
- if (!of_id) {
- dev_err(dev, "OF data missing\n");
- return -EINVAL;
- }
- desc = of_id->data;
-
inst = devm_kzalloc(dev, sizeof(*inst), GFP_KERNEL);
if (!inst)
return -ENOMEM;

inst->dev = dev;
- inst->desc = desc;
+ inst->desc = desc = device_get_match_data(dev);

inst->queue_proxy_region =
devm_platform_ioremap_resource_byname(pdev, desc->data_region_name);
--
2.40.1