linux-kernel - [PATCH] clkdev: Remove duplicated negative index check from __of_clk

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Date:   Fri, 18 May 2018 12:58:40 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Russell King <linux@...linux.org.uk>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] clkdev: Remove duplicated negative index check from __of_clk_get()

__of_clk_get() calls of_parse_phandle_with_args(), which rejects
negative indices since commit bd69f73f2c81eed9 ("of: Create function for
counting number of phandles in a property").

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
Commit bd69f73f2c81eed9 is in v3.9.
---
 drivers/clk/clkdev.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 7513411140b693ec..02fcee2012e05250 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -35,9 +35,6 @@ static struct clk *__of_clk_get(struct device_node *np, int index,
 	struct clk *clk;
 	int rc;
 
-	if (index < 0)
-		return ERR_PTR(-EINVAL);
-
 	rc = of_parse_phandle_with_args(np, "clocks", "#clock-cells", index,
 					&clkspec);
 	if (rc)
-- 
2.7.4