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Subject[RESEND][PATCH 4/4] firmware: meson-sm: rework meson_sm_init to use module_platform_driver_probe
Date
Now that of_platform_default_populate_init() takes care of populating
all the devices under the /firmware/ node, this patch reworks
meson_sm_init in favour of module_platform_driver_probe.

Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: linux-amlogic@lists.infradead.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/firmware/meson/meson_sm.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index ff204421117b..ccd61be0dd49 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -17,8 +17,10 @@
#include <linux/arm-smccc.h>
#include <linux/bug.h>
#include <linux/io.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
+#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/types.h>
#include <linux/sizes.h>
@@ -217,17 +219,11 @@ static const struct of_device_id meson_sm_ids[] = {
{ /* sentinel */ },
};

-int __init meson_sm_init(void)
+static int __init meson_sm_probe(struct platform_device *pdev)
{
const struct meson_sm_chip *chip;
- const struct of_device_id *matched_np;
- struct device_node *np;

- np = of_find_matching_node_and_match(NULL, meson_sm_ids, &matched_np);
- if (!np)
- return -ENODEV;
-
- chip = matched_np->data;
+ chip = of_match_device(meson_sm_ids, &pdev->dev)->data;
if (!chip) {
pr_err("unable to setup secure-monitor data\n");
goto out;
@@ -257,4 +253,11 @@ int __init meson_sm_init(void)
out:
return -EINVAL;
}
-device_initcall(meson_sm_init);
+
+static struct platform_driver meson_sm_driver = {
+ .driver = {
+ .name = "meson-sm",
+ .of_match_table = of_match_ptr(meson_sm_ids),
+ },
+};
+module_platform_driver_probe(meson_sm_driver, meson_sm_probe);
--
2.7.4
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