linux-kernel - [PATCH 3/3] regulator: bd9571mwv: Convert device attribute to sysfs

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Date:   Fri, 12 Mar 2021 14:02:42 +0100
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 3/3] regulator: bd9571mwv: Convert device attribute to sysfs_emit()

Convert the "backup_mode" device attribute from sprintf() to
sysfs_emit(), as the latter is aware of the PAGE_SIZE buffer.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/regulator/bd9571mwv-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index a4d406022587d59d..ba020a45f238e764 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -174,7 +174,7 @@ static ssize_t backup_mode_show(struct device *dev,
 {
 	struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
+	return sysfs_emit(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
 }
 
 static ssize_t backup_mode_store(struct device *dev,
-- 
2.25.1