From da4fa4e7aec22660a7a901a44f3cbb062a6779ff Mon Sep 17 00:00:00 2001 From: Mohit Mishra Date: Sat, 25 Jul 2026 14:37:49 +0530 Subject: [PATCH] staging: sm750fb: Remove unused function sm750_enable_dma 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 Link: https://patch.msgid.link/20260725090750.113598-2-mishraloopmohit@gmail.com Signed-off-by: Greg Kroah-Hartman --- 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 eaba3bc2e01a..cd63f43283f7 100644 --- a/drivers/staging/sm750fb/ddk750_power.c +++ b/drivers/staging/sm750fb/ddk750_power.c @@ -96,20 +96,6 @@ 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 */