Hi Arnd,
On Mon, Feb 6, 2017 at 4:09 PM, Arnd Bergmann <a...@arndb.de> wrote:
> On Mon, Feb 6, 2017 at 3:38 PM, Geert Uytterhoeven <ge...@linux-m68k.org>
> wrote:
>> Extract the character LCD core from the Parallel port LCD/Keypad Panel
>> driver in the misc subsystem, and convert it into a subdriver in the
>> auxdisplay subsystem. This allows the character LCD core to be used by
>> other drivers later.
>>
>> Compilation is controlled by its own Kconfig symbol CHARLCD, which is to
>> be selected by its users, but can be enabled manually for
>> compile-testing.
>>
>> All functions changed their prefix from "lcd_" to "charlcd_", and gained
>> a "struct charlcd *" parameter to operate on a specific instance.
>> While the driver API thus is ready to support multiple instances, the
>> current limitation of a single display (/dev/lcd has a single misc minor
>> assigned) is retained.
>>
>> No functional changes intended.
>>
>> Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
>> ---
>> drivers/auxdisplay/Kconfig | 3 +
>> drivers/auxdisplay/Makefile | 1 +
>> drivers/auxdisplay/charlcd.c | 790 +++++++++++++++++++++++++++++++++++++++++
>> drivers/misc/Kconfig | 1 +
>> drivers/misc/panel.c | 827
>> +++++--------------------------------------
>> include/misc/charlcd.h | 40 +++
>> 6 files changed, 927 insertions(+), 735 deletions(-)
>> create mode 100644 drivers/auxdisplay/charlcd.c
>> create mode 100644 include/misc/charlcd.h
>
> Looks good overall, and I like the entire series, but I wonder if we should
> move
> the panel.c file into drivers/auxdisplay/ as well. If I understand it
> right, what's
> left now is a parport driver that hooks into the charlcd framework. I see that
> we already have another parport driver in drivers/auxdisplay/ks0108.c, so why
> not move both halves of the misc/panel.c driver into modules in
> drivers/auxdisplay?
What's left in panel.c is:
1. a parport driver that hooks into the charlcd framework,
2. a parport driver that does keypad handling.
I didn't move all of it because of 2.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
