linux-kernel - [PATCH] power: supply: remove dead code

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Message-Id: <20221004073652.568681-1-usama.anjum@collabora.com>
Date:   Tue,  4 Oct 2022 12:36:51 +0500
From:   Muhammad Usama Anjum <usama.anjum@...labora.com>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        kernel@...labora.com, kernel-janitors@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] power: supply: remove dead code

tmp is an unsigned variable. It can never be less than zero. Remove the
dead code.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 drivers/power/supply/rk817_charger.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/power/supply/rk817_charger.c b/drivers/power/supply/rk817_charger.c
index aa4b33f1bb83..ba3f5ccaeacd 100644
--- a/drivers/power/supply/rk817_charger.c
+++ b/drivers/power/supply/rk817_charger.c
@@ -785,8 +785,6 @@ rk817_read_or_set_full_charge_on_boot(struct rk817_charger *charger,
 		regmap_bulk_read(rk808->regmap, RK817_GAS_GAUGE_Q_PRES_H3,
 				 bulk_reg, 4);
 		tmp = get_unaligned_be32(bulk_reg);
-		if (tmp < 0)
-			tmp = 0;
 		boot_charge_mah = ADC_TO_CHARGE_UAH(tmp,
 						    charger->res_div) / 1000;
 		/*
@@ -825,8 +823,6 @@ rk817_read_or_set_full_charge_on_boot(struct rk817_charger *charger,
 	regmap_bulk_read(rk808->regmap, RK817_GAS_GAUGE_Q_PRES_H3,
 			 bulk_reg, 4);
 	tmp = get_unaligned_be32(bulk_reg);
-	if (tmp < 0)
-		tmp = 0;
 	boot_charge_mah = ADC_TO_CHARGE_UAH(tmp, charger->res_div) / 1000;
 	regmap_bulk_read(rk808->regmap, RK817_GAS_GAUGE_OCV_VOL_H,
 			 bulk_reg, 2);
-- 
2.30.2