Re: [PATCH 1/2][v5] driver/memory:Move Freescale IFC driver to a common driver

[Kumar Gala]

On Jan 18, 2014, at 12:21 AM, Prabhakar Kushwaha <prabhakar@xxxxxxxxxxxxx> wrote:

> Freescale IFC controller has been used for mpc8xxx. It will be used
> for ARM-based SoC as well. This patch moves the driver to driver/memory
> and fix the header file includes.
> 
> Also remove module_platform_driver() and  instead call
> platform_driver_register() from subsys_initcall() to make sure this module
> has been loaded before MTD partition parsing starts.
> 
> Signed-off-by: Prabhakar Kushwaha <prabhakar@xxxxxxxxxxxxx>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> Changes for v2:
> 	- Move fsl_ifc in driver/memory
> 
> Changes for v3:
> 	- move device tree bindings to memory
> 
> Changes for v4: Rebased to 
> 	git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git
> 
> Changes for v5: 
> 	- Moved powerpc/Kconfig option to driver/memory
> 
> 
> .../{powerpc => memory-controllers}/fsl/ifc.txt    |    0
> arch/powerpc/Kconfig                               |    4 ----
> arch/powerpc/sysdev/Makefile                       |    1 -
> drivers/memory/Kconfig                             |    4 ++++
> drivers/memory/Makefile                            |    1 +
> {arch/powerpc/sysdev => drivers/memory}/fsl_ifc.c  |    8 ++++++--
> drivers/mtd/nand/fsl_ifc_nand.c                    |    2 +-
> .../include/asm => include/linux}/fsl_ifc.h        |    0
> 8 files changed, 12 insertions(+), 8 deletions(-)
> rename Documentation/devicetree/bindings/{powerpc => memory-controllers}/fsl/ifc.txt (100%)
> rename {arch/powerpc/sysdev => drivers/memory}/fsl_ifc.c (98%)
> rename {arch/powerpc/include/asm => include/linux}/fsl_ifc.h (100%)
> 
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/ifc.txt b/Documentation/devicetree/bindings/memory-controllers/fsl/ifc.txt
> similarity index 100%
> rename from Documentation/devicetree/bindings/powerpc/fsl/ifc.txt
> rename to Documentation/devicetree/bindings/memory-controllers/fsl/ifc.txt
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index b44b52c..83fb8b3 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -725,10 +725,6 @@ config FSL_LBC
> 	  controller.  Also contains some common code used by
> 	  drivers for specific local bus peripherals.
> 
> -config FSL_IFC
> -	bool
> -        depends on FSL_SOC
> -
> config FSL_GTM
> 	bool
> 	depends on PPC_83xx || QUICC_ENGINE || CPM2
> diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
> index f67ac90..afbcc37 100644
> --- a/arch/powerpc/sysdev/Makefile
> +++ b/arch/powerpc/sysdev/Makefile
> @@ -21,7 +21,6 @@ obj-$(CONFIG_FSL_SOC)		+= fsl_soc.o fsl_mpic_err.o
> obj-$(CONFIG_FSL_PCI)		+= fsl_pci.o $(fsl-msi-obj-y)
> obj-$(CONFIG_FSL_PMC)		+= fsl_pmc.o
> obj-$(CONFIG_FSL_LBC)		+= fsl_lbc.o
> -obj-$(CONFIG_FSL_IFC)		+= fsl_ifc.o
> obj-$(CONFIG_FSL_GTM)		+= fsl_gtm.o
> obj-$(CONFIG_FSL_85XX_CACHE_SRAM)	+= fsl_85xx_l2ctlr.o fsl_85xx_cache_sram.o
> obj-$(CONFIG_SIMPLE_GPIO)	+= simple_gpio.o
> diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
> index 29a11db..b33bb0e 100644
> --- a/drivers/memory/Kconfig
> +++ b/drivers/memory/Kconfig
> @@ -50,4 +50,8 @@ config TEGRA30_MC
> 	  analysis, especially for IOMMU/SMMU(System Memory Management
> 	  Unit) module.
> 
> +config FSL_IFC
> +	bool
> +        depends on FSL_SOC
> +

I think this should be user selectable like all the other Kconfig options in drivers/memory

Also add a help description.

> endif

[ snip ]

- k

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