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| author | Hungyu Lin <dennylin0707@gmail.com> | 2026-07-16 04:46:13 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-17 14:19:40 +0200 |
| commit | ebe59e66b72f52debdab7c48613c4f4cf7ce0920 (patch) | |
| tree | 63875b31b325ca0016802514d14db7f0318b76b6 | |
| parent | f75fcd03fed2ea69b9ef3a8978e6a8c7d25e8601 (diff) | |
| download | linux-ebe59e66b72f52debdab7c48613c4f4cf7ce0920.tar.gz linux-ebe59e66b72f52debdab7c48613c4f4cf7ce0920.zip | |
staging: sm750fb: remove unused set_all_eng_off field
The set_all_eng_off field is only initialized to 0 and is never set by
any caller.
Remove the unused field together with the dead cleanup path guarded by
it.
No functional change intended.
Signed-off-by: Hungyu Lin <dennylin0707@gmail.com>
Link: https://patch.msgid.link/20260716044613.2659-1-dennylin0707@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/sm750fb/ddk750_chip.c | 27 | ||||
| -rw-r--r-- | drivers/staging/sm750fb/ddk750_chip.h | 7 | ||||
| -rw-r--r-- | drivers/staging/sm750fb/sm750.c | 1 |
3 files changed, 0 insertions, 35 deletions
diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index 0bb56bbec43f..aa78d0bc1d87 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -263,33 +263,6 @@ int ddk750_init_hw(struct initchip_param *p_init_param) poke32(MISC_CTRL, reg); } - if (p_init_param->set_all_eng_off == 1) { - sm750_enable_2d_engine(0); - - /* Disable Overlay, if a former application left it on */ - reg = peek32(VIDEO_DISPLAY_CTRL); - reg &= ~DISPLAY_CTRL_PLANE; - poke32(VIDEO_DISPLAY_CTRL, reg); - - /* Disable video alpha, if a former application left it on */ - reg = peek32(VIDEO_ALPHA_DISPLAY_CTRL); - reg &= ~DISPLAY_CTRL_PLANE; - poke32(VIDEO_ALPHA_DISPLAY_CTRL, reg); - - /* Disable alpha plane, if a former application left it on */ - reg = peek32(ALPHA_DISPLAY_CTRL); - reg &= ~DISPLAY_CTRL_PLANE; - poke32(ALPHA_DISPLAY_CTRL, reg); - - /* Disable DMA Channel, if a former application left it on */ - reg = peek32(DMA_ABORT_INTERRUPT); - reg |= DMA_ABORT_INTERRUPT_ABORT_1; - poke32(DMA_ABORT_INTERRUPT, reg); - - /* Disable DMA Power, if a former application left it on */ - sm750_enable_dma(0); - } - /* We can add more initialization as needed. */ return 0; diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750fb/ddk750_chip.h index ee2e9d90f7dd..2a13debc179f 100644 --- a/drivers/staging/sm750fb/ddk750_chip.h +++ b/drivers/staging/sm750fb/ddk750_chip.h @@ -77,13 +77,6 @@ struct initchip_param { unsigned short master_clock; /* - * 0 = leave all engine state untouched. - * 1 = make sure they are off: 2D, Overlay, - * video alpha, alpha, hardware cursors - */ - unsigned short set_all_eng_off; - - /* * 0 = Do not reset the memory controller * 1 = Reset the memory controller */ diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index a2f244878f85..039e2033f84e 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -837,7 +837,6 @@ static void sm750fb_setup(struct sm750_dev *sm750_dev, char *src) sm750_dev->init_parm.mem_clock = 0; sm750_dev->init_parm.master_clock = 0; sm750_dev->init_parm.power_mode = 0; - sm750_dev->init_parm.set_all_eng_off = 0; sm750_dev->init_parm.reset_memory = 1; /* defaultly turn g_hwcursor on for both view */ |