lkml.org 
[lkml]   [2014]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] mfd: syscon: Support early initialization
> >>> Some platforms need to get system controller
> >>> ready as soon as possible.
> >>> The patch provides early_syscon_initialization
> >>> which create early mapping for all syscon compatible
> >>> devices in early_syscon_probe.
> >>> Regmap is get via syscon_early_regmap_lookup_by_phandle()
> >>>
> >>> Regular device probes attach device to regmap
> >>> via regmap_attach_dev().
> >>>
> >>> For early syscon initialization is necessary to extend
> >>> struct syscon and provide remove function
> >>> which unmap all early init structures.
> >>>
> >>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> >>> ---
> >>>
> >>> Changes in v3:
> >>> - Keep backward compatibility for platform drivers and test it
> >>> - Use only one probe method which is early_syscon_probe
> >>> suggested by Lee Jones. Do not force anybody to call early_syscon_init
> >>> - Add kernel-doc description
> >>>
> >>> Changes in v2:
> >>> - Fix bad logic in early_syscon_probe
> >>> - Fix compilation failure for x86_64 reported by zero day testing system
> >>> - Regmap change available here
> >>> git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git tags/nodev
> >>>
> >>> drivers/mfd/syscon.c | 159 ++++++++++++++++++++++++++++++++++++++++-----
> >>> include/linux/mfd/syscon.h | 11 ++++
> >>> 2 files changed, 153 insertions(+), 17 deletions(-)

> Lee: Can you please look at these changes? It is around for a while
> and I would like to close it.

Actually I'm _still_ waiting on Arnd and Mark's opinion on this, as my
reservations from v1 still apply.

https://lkml.org/lkml/2014/2/12/149

I'll poke them now.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2014-04-23 12:41    [W:0.085 / U:1.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site