Replace sprintf() with sysfs_emit() in state_show() sysfs attribute
callbacks in arche-platform.c and arche-apb-ctrl.c.

Checkpatch complains about code using sprintf(). This code here is
obviously safe as-is, but it would be more appropriate to use
sysfs_emit().

Signed-off-by: Ruslan Valiyev <linuxoid@gmail.com>
---
 drivers/staging/greybus/arche-apb-ctrl.c | 10 +++++-----
 drivers/staging/greybus/arche-platform.c | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c
index 33f26a65f..19a6e59b6 100644
--- a/drivers/staging/greybus/arche-apb-ctrl.c
+++ b/drivers/staging/greybus/arche-apb-ctrl.c
@@ -300,16 +300,16 @@ static ssize_t state_show(struct device *dev,
 
 	switch (apb->state) {
 	case ARCHE_PLATFORM_STATE_OFF:
-		return sprintf(buf, "off%s\n",
+		return sysfs_emit(buf, "off%s\n",
 				apb->init_disabled ? ",disabled" : "");
 	case ARCHE_PLATFORM_STATE_ACTIVE:
-		return sprintf(buf, "active\n");
+		return sysfs_emit(buf, "active\n");
 	case ARCHE_PLATFORM_STATE_STANDBY:
-		return sprintf(buf, "standby\n");
+		return sysfs_emit(buf, "standby\n");
 	case ARCHE_PLATFORM_STATE_FW_FLASHING:
-		return sprintf(buf, "fw_flashing\n");
+		return sysfs_emit(buf, "fw_flashing\n");
 	default:
-		return sprintf(buf, "unknown state\n");
+		return sysfs_emit(buf, "unknown state\n");
 	}
 }
 
diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index f669a7e2e..de5de59ea 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -374,15 +374,15 @@ static ssize_t state_show(struct device *dev,
 
 	switch (arche_pdata->state) {
 	case ARCHE_PLATFORM_STATE_OFF:
-		return sprintf(buf, "off\n");
+		return sysfs_emit(buf, "off\n");
 	case ARCHE_PLATFORM_STATE_ACTIVE:
-		return sprintf(buf, "active\n");
+		return sysfs_emit(buf, "active\n");
 	case ARCHE_PLATFORM_STATE_STANDBY:
-		return sprintf(buf, "standby\n");
+		return sysfs_emit(buf, "standby\n");
 	case ARCHE_PLATFORM_STATE_FW_FLASHING:
-		return sprintf(buf, "fw_flashing\n");
+		return sysfs_emit(buf, "fw_flashing\n");
 	default:
-		return sprintf(buf, "unknown state\n");
+		return sysfs_emit(buf, "unknown state\n");
 	}
 }
 
-- 
2.43.0

On Thu, Feb 26, 2026 at 07:48:58AM +0000, Ruslan Valiyev wrote:
> Replace sprintf() with sysfs_emit() in state_show() sysfs attribute
> callbacks in arche-platform.c and arche-apb-ctrl.c.
> 
> Checkpatch complains about code using sprintf(). This code here is
> obviously safe as-is, but it would be more appropriate to use
> sysfs_emit().
> 
> Signed-off-by: Ruslan Valiyev <linuxoid@gmail.com>
> ---

Thanks!

Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>

regards,
dan carpenter