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Remove the unused field together with the dead cleanup path guarded by it. No functional change intended. Signed-off-by: Hungyu Lin --- drivers/staging/sm750fb/ddk750_chip.c | 27 --------------------------- drivers/staging/sm750fb/ddk750_chip.h | 7 ------- drivers/staging/sm750fb/sm750.c | 1 - 3 files changed, 35 deletions(-) diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750f= b/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); } =20 - if (p_init_param->set_all_eng_off =3D=3D 1) { - sm750_enable_2d_engine(0); - - /* Disable Overlay, if a former application left it on */ - reg =3D peek32(VIDEO_DISPLAY_CTRL); - reg &=3D ~DISPLAY_CTRL_PLANE; - poke32(VIDEO_DISPLAY_CTRL, reg); - - /* Disable video alpha, if a former application left it on */ - reg =3D peek32(VIDEO_ALPHA_DISPLAY_CTRL); - reg &=3D ~DISPLAY_CTRL_PLANE; - poke32(VIDEO_ALPHA_DISPLAY_CTRL, reg); - - /* Disable alpha plane, if a former application left it on */ - reg =3D peek32(ALPHA_DISPLAY_CTRL); - reg &=3D ~DISPLAY_CTRL_PLANE; - poke32(ALPHA_DISPLAY_CTRL, reg); - - /* Disable DMA Channel, if a former application left it on */ - reg =3D peek32(DMA_ABORT_INTERRUPT); - reg |=3D 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. */ =20 return 0; diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750f= b/ddk750_chip.h index ee2e9d90f7dd..2a13debc179f 100644 --- a/drivers/staging/sm750fb/ddk750_chip.h +++ b/drivers/staging/sm750fb/ddk750_chip.h @@ -76,13 +76,6 @@ struct initchip_param { */ unsigned short master_clock; =20 - /* - * 0 =3D leave all engine state untouched. - * 1 =3D make sure they are off: 2D, Overlay, - * video alpha, alpha, hardware cursors - */ - unsigned short set_all_eng_off; - /* * 0 =3D Do not reset the memory controller * 1 =3D Reset the memory controller diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm75= 0.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 =3D 0; sm750_dev->init_parm.master_clock =3D 0; sm750_dev->init_parm.power_mode =3D 0; - sm750_dev->init_parm.set_all_eng_off =3D 0; sm750_dev->init_parm.reset_memory =3D 1; =20 /* defaultly turn g_hwcursor on for both view */ --=20 2.43.0