[PATCH 1/8] video: atmel_lcdfb: fix platform data struct

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu May 30 05:32:20 EST 2013


On 19:44 Wed 29 May     , Richard Genoud wrote:
> 2013/5/29 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>:
> > On 16:36 Wed 29 May     , Richard Genoud wrote:
> >> 2013/4/11 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>:
> >> > Today we mix pdata and drivers data in the struct atmel_lcdfb_info
> >> > Fix it and introduce a new struct atmel_lcdfb_pdata for platform data only
> >> >
> >> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> >> > Cc: linux-fbdev at vger.kernel.org
> >> > Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
> >> > Cc: Andrew Morton <akpm at linux-foundation.org>
> >> > Cc: Hans-Christian Egtvedt <egtvedt at samfundet.no>
> >> > ---
> >> >  arch/arm/mach-at91/at91sam9261_devices.c    |    6 +-
> >> >  arch/arm/mach-at91/at91sam9263_devices.c    |    6 +-
> >> >  arch/arm/mach-at91/at91sam9g45_devices.c    |    6 +-
> >> >  arch/arm/mach-at91/at91sam9rl_devices.c     |    6 +-
> >> >  arch/arm/mach-at91/board-sam9261ek.c        |    6 +-
> >> >  arch/arm/mach-at91/board-sam9263ek.c        |    4 +-
> >> >  arch/arm/mach-at91/board-sam9m10g45ek.c     |    4 +-
> >> >  arch/arm/mach-at91/board-sam9rlek.c         |    4 +-
> >> >  arch/arm/mach-at91/board.h                  |    4 +-
> >> >  arch/avr32/boards/atngw100/evklcd10x.c      |    6 +-
> >> >  arch/avr32/boards/atngw100/mrmt.c           |    4 +-
> >> >  arch/avr32/boards/atstk1000/atstk1000.h     |    2 +-
> >> >  arch/avr32/boards/atstk1000/setup.c         |    2 +-
> >> >  arch/avr32/boards/favr-32/setup.c           |    2 +-
> >> >  arch/avr32/boards/hammerhead/setup.c        |    2 +-
> >> >  arch/avr32/boards/merisc/display.c          |    2 +-
> >> >  arch/avr32/boards/mimc200/setup.c           |    4 +-
> >> >  arch/avr32/mach-at32ap/at32ap700x.c         |    8 +--
> >> >  arch/avr32/mach-at32ap/include/mach/board.h |    4 +-
> >> >  drivers/video/atmel_lcdfb.c                 |  104 +++++++++++++++++----------
> >> >  include/video/atmel_lcdc.h                  |   24 +------
> >> >  21 files changed, 109 insertions(+), 101 deletions(-)
> >> >
> >> [snip]
> >> > diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
> >> > index c1a2914..98733cd4 100644
> >> > --- a/drivers/video/atmel_lcdfb.c
> >> > +++ b/drivers/video/atmel_lcdfb.c
> >> > @@ -20,12 +20,45 @@
> >> >  #include <linux/gfp.h>
> >> >  #include <linux/module.h>
> >> >  #include <linux/platform_data/atmel.h>
> >> > +#include <video/of_display_timing.h>
> >> >
> >> >  #include <mach/cpu.h>
> >> >  #include <asm/gpio.h>
> >> >
> >> >  #include <video/atmel_lcdc.h>
> >> >
> >> > +struct atmel_lcdfb_config {
> >> > +       bool have_alt_pixclock;
> >> > +       bool have_hozval;
> >> > +       bool have_intensity_bit;
> >> > +};
> >> > +
> >> > + /* LCD Controller info data structure, stored in device platform_data */
> >> > +struct atmel_lcdfb_info {
> >> > +       spinlock_t              lock;
> >> > +       struct fb_info          *info;
> >> > +       void __iomem            *mmio;
> >> > +       int                     irq_base;
> >> > +       struct work_struct      task;
> >> > +
> >> > +       unsigned int            smem_len;
> >> > +       struct platform_device  *pdev;
> >> > +       struct clk              *bus_clk;
> >> > +       struct clk              *lcdc_clk;
> >> > +
> >> > +       struct backlight_device *backlight;
> >> > +       u8                      bl_power;
> >> > +       bool                    lcdcon_pol_negative;
> >> I think lcdcon_pol_negative should be part of pdata, because it really
> >> depends on how the PWM is wired on the board.
> >>
> >
> > maybe but no one mainline use it on any pdata for non-dt boars
> > so I did not want to expose it
> Well, at least, I'm using it :)
> (and I guess that Andreas is using it also, otherwise he wouldn't have
> introduce it !)

yes but pdata is for non-dt boards, for dt you can keep it in struct
atmel_lcdfb_info and add a property

if non-dt boards want it my answer is I do not care switch to DT

Best Regards,
J.
> 
> 
> Best regards,
> Richard.


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