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Tue, 22 Sep 2026 18:36:03 -0700 (PDT) Received: from linux ([205.237.104.28]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-87d1afb99f0sm487569b3a.6.2026.09.22.18.35.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 18:36:03 -0700 (PDT) From: Eduard Zateev To: Greg Kroah-Hartman , Sudip Mukherjee , Teddy Wang Cc: linux-staging@lists.linux.dev, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Eduard Zateev Subject: [PATCH] staging: sm750fb: remove unused variable 'tmp' in sw_i2c_wait Date: Wed, 23 Sep 2026 03:35:26 +0200 Message-ID: <20260923013526.12225-1-hackerowskiy@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The variable 'tmp' in sw_i2c_wait() is written but never read outside the loop, triggering a set-but-not-used warning with W=3D1. The loop itself is a fixed-count busy-wait with no side effects; remove the unused variable and keep the empty loop body. Signed-off-by: Eduard Zateev --- drivers/staging/sm750fb/ddk750_swi2c.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750= fb/ddk750_swi2c.c index e63f3b00ec4c..55623ad35be2 100644 --- a/drivers/staging/sm750fb/ddk750_swi2c.c +++ b/drivers/staging/sm750fb/ddk750_swi2c.c @@ -92,12 +92,10 @@ static void sw_i2c_wait(void) * it's more reliable than counter loop .. * write 0x61 to 0x3ce and read from 0x3cf */ - int i, tmp; + int i; =20 - for (i =3D 0; i < 600; i++) { - tmp =3D i; - tmp +=3D i; - } + for (i =3D 0; i < 600; i++) + ; } =20 /* --=20 2.55.0