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Groups > linux.kernel > #1488802

[PATCH 2/2] i2c: rk3x: Fix variable 'min_total_ns' unused warning

From David Wu <david.wu@rock-chips.com>
Newsgroups linux.kernel
Subject [PATCH 2/2] i2c: rk3x: Fix variable 'min_total_ns' unused warning
Date 2016-09-22 13:40 +0200
Message-ID <skawa-5IH-17@gated-at.bofh.it> (permalink)
References <skawa-5IH-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This patch fixs the following warning:
drivers/i2c/busses/i2c-rk3x.c: In function 'rk3x_i2c_v1_calc_timings':
drivers/i2c/busses/i2c-rk3x.c:745:41: warning: variable 'min_total_ns' set but not used [-Wunused-but-set-variable]

Signed-off-by: David Wu <david.wu@rock-chips.com>
---
 drivers/i2c/busses/i2c-rk3x.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 965477e..50702c7 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -742,7 +742,7 @@ static int rk3x_i2c_v1_calc_timings(unsigned long clk_rate,
 				    struct i2c_timings *t,
 				    struct rk3x_i2c_calced_timings *t_calc)
 {
-	unsigned long min_low_ns, min_high_ns, min_total_ns;
+	unsigned long min_low_ns, min_high_ns;
 	unsigned long min_setup_start_ns, min_setup_data_ns;
 	unsigned long min_setup_stop_ns, max_hold_data_ns;
 
@@ -793,7 +793,6 @@ static int rk3x_i2c_v1_calc_timings(unsigned long clk_rate,
 
 	/* These are the min dividers needed for min hold times. */
 	min_div_for_hold = (min_low_div + min_high_div);
-	min_total_ns = min_low_ns + min_high_ns;
 
 	/*
 	 * This is the maximum divider so we don't go over the maximum.
-- 
1.9.1

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Thread

[PATCH 0/2] Fix warnings for i2c-rk3x.c David Wu <david.wu@rock-chips.com> - 2016-09-22 13:40 +0200
  [PATCH 1/2] i2c: rk3x: Fix sparse warning David Wu <david.wu@rock-chips.com> - 2016-09-22 13:40 +0200
  [PATCH 2/2] i2c: rk3x: Fix variable 'min_total_ns' unused warning David Wu <david.wu@rock-chips.com> - 2016-09-22 13:40 +0200
  Re: [PATCH 0/2] Fix warnings for i2c-rk3x.c Wolfram Sang <wsa@the-dreams.de> - 2016-09-22 20:00 +0200

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