linux-kernel - [PATCH][next] clk: sunxi-ng: nkm: remove redundant initialization of tmp

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Message-Id: <20231023133502.666559-1-colin.i.king@gmail.com>
Date:   Mon, 23 Oct 2023 14:35:02 +0100
From:   Colin Ian King <colin.i.king@...il.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org
Subject: [PATCH][next] clk: sunxi-ng: nkm: remove redundant initialization of tmp_parent

Variable tmp_parent is being ininitialized with a value that is never
read, the initialization is redundant and can be removed. Move the
initialization and move the variable to the inner loop scope.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/clk/sunxi-ng/ccu_nkm.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
index eed64547ad42..853f84398e2b 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.c
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -21,17 +21,16 @@ static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common
 						       unsigned long *parent, unsigned long rate,
 						       struct _ccu_nkm *nkm)
 {
-	unsigned long best_rate = 0, best_parent_rate = *parent, tmp_parent = *parent;
+	unsigned long best_rate = 0, best_parent_rate = *parent;
 	unsigned long best_n = 0, best_k = 0, best_m = 0;
 	unsigned long _n, _k, _m;
 
 	for (_k = nkm->min_k; _k <= nkm->max_k; _k++) {
 		for (_n = nkm->min_n; _n <= nkm->max_n; _n++) {
 			for (_m = nkm->min_m; _m <= nkm->max_m; _m++) {
-				unsigned long tmp_rate;
+				unsigned long tmp_rate, tmp_parent;
 
 				tmp_parent = clk_hw_round_rate(parent_hw, rate * _m / (_n * _k));
-
 				tmp_rate = tmp_parent * _n * _k / _m;
 
 				if (ccu_is_better_rate(common, rate, tmp_rate, best_rate) ||
-- 
2.39.2