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([103.172.209.188]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc447f6bsm9198169eec.12.2026.07.25.02.08.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2026 02:08:10 -0700 (PDT) From: Mohit Mishra To: Sudip Mukherjee , Teddy Wang , Greg Kroah-Hartman Cc: linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Mohit Mishra Subject: [PATCH v2 2/2] staging: sm750fb: Remove unused function sm750_enable_dma Date: Sat, 25 Jul 2026 14:37:49 +0530 Message-ID: <20260725090750.113598-2-mishraloopmohit@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260725090750.113598-1-mishraloopmohit@gmail.com> References: <20260725090750.113598-1-mishraloopmohit@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The function sm750_enable_dma is defined in ddk750_power.c and declared in ddk750_power.h, but it is not called anywhere in the driver. Remove the unused definition and declaration. This addresses the first task in the drivers/staging/sm750fb/TODO list: "- refine the code and remove unused code". Signed-off-by: Mohit Mishra --- v2: Remove double blank line flagged by checkpatch -f (Dan Carpenter). drivers/staging/sm750fb/ddk750_power.c | 14 -------------- drivers/staging/sm750fb/ddk750_power.h | 5 ----- 2 files changed, 19 deletions(-) diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c index 36fde3bcf1b7..59ded1163052 100644 --- a/drivers/staging/sm750fb/ddk750_power.c +++ b/drivers/staging/sm750fb/ddk750_power.c @@ -89,20 +89,6 @@ void sm750_enable_2d_engine(unsigned int enable) sm750_set_current_gate(gate); } -void sm750_enable_dma(unsigned int enable) -{ - u32 gate; - - /* Enable DMA Gate */ - gate = peek32(CURRENT_GATE); - if (enable) - gate |= CURRENT_GATE_DMA; - else - gate &= ~CURRENT_GATE_DMA; - - sm750_set_current_gate(gate); -} - /* * This function enable/disable the GPIO Engine */ diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h index 1c4f054d7276..0c4ab2120385 100644 --- a/drivers/staging/sm750fb/ddk750_power.h +++ b/drivers/staging/sm750fb/ddk750_power.h @@ -23,11 +23,6 @@ void sm750_set_current_gate(unsigned int gate); */ void sm750_enable_2d_engine(unsigned int enable); -/* - * This function enable/disable the DMA Engine - */ -void sm750_enable_dma(unsigned int enable); - /* * This function enable/disable the GPIO Engine */ -- 2.43.0