[PATCH v7 0/3] omap3 nand: cleanup exiting platform related code
tony at atomide.com
Mon Aug 2 08:52:24 EDT 2010
* Sukumar Ghorai <s-ghorai at ti.com> [100709 12:09]:
> The following set of patches applies on top of for-next branch.
> Patches verified on: omap3430-SDP, omap3630-sdp, zoom3 and beagle board
> And these are the patches required to address the following input -
> 1. The NAND driver needs to stop tinkering with the GPMC registers
> The omap General Purpose Memory Controller (GPMC) registers are omap
> specific, and not driver specific. Tinkering with these registers can
> cause issues with the other devices on the GPMC.
> 2. Passing hardcoded GPMC_CS0_BASE needs to go from the board files
> Passing hardcoded GPMC virtual addressess is sure way to mess up things.
> This should all become unnecessary once the NAND drivers stops messing
> with the GPMC registers directly.
Thanks, I'll add this series into omap-for-linus.
> Discussion: http://firstname.lastname@example.org/msg27630.html
> No code change from previous version.
> Looping linux-arm-kernel mailing list with new version.
> Changes in this series -
> gpmc_hwcontrol() function in gpmc.c, break into various small function.
> v6: http://email@example.com/msg31936.html
> Unused function removed.
> v5: http://firstname.lastname@example.org/msg30305.html
> Functions related to ecc and prefetch engine are optimized.
> v4: http://email@example.com/msg29458.html
> Few functionality was missing like - There should be some locking as only
> one chipselect can use the ECC or prefetch engine at a time. If you have
> NAND in two chipselects, bad things would happen.
> v3: http://firstname.lastname@example.org/msg28715.html
> Additionally, it was needed to implement more functions for the platform
> init code to use.
> v2: http://email@example.com/msg28467.html
> v1: http://firstname.lastname@example.org/msg28164.html
> Sukumar Ghorai (3):
> omap3 gpmc: functionality enhancement
> omap3 nand: cleanup virtual address usages
> omap3 nand: fix issue in board file to detect nand
> arch/arm/mach-omap2/board-cm-t35.c | 20 +--
> arch/arm/mach-omap2/board-devkit8000.c | 25 +---
> arch/arm/mach-omap2/board-omap3beagle.c | 24 +---
> arch/arm/mach-omap2/board-omap3touchbook.c | 25 +---
> arch/arm/mach-omap2/board-overo.c | 24 +---
> arch/arm/mach-omap2/board-sdp-flash.c | 5 -
> arch/arm/mach-omap2/gpmc-nand.c | 38 +---
> arch/arm/mach-omap2/gpmc.c | 285 ++++++++++++++++++++++++++--
> arch/arm/plat-omap/include/plat/gpmc.h | 42 ++++-
> arch/arm/plat-omap/include/plat/nand.h | 6 +-
> drivers/mtd/nand/omap2.c | 218 ++++++----------------
> 11 files changed, 371 insertions(+), 341 deletions(-)
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