On Tue, 30 Apr 2013, Arnd Bergmann wrote:
> There is no reason for ssbi to have its own top-level driver directory
> when the only users of this interface are all MFD drivers. The only
> mainline driver using it at the moment (PM8921) is marked broken and in
> fact does not compile. I have verified that fixing the trivial build
> breakage in pm8921 links in the new ssbi code just fine, but that
> can be a separate patch.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Cc: Samuel Ortiz <sa...@linux.intel.com>
Acked-by: Nicolas Pitre <n...@linaro.org>
> ---
> drivers/Kconfig | 2 --
> drivers/Makefile | 1 -
> drivers/mfd/Kconfig | 3 ++-
> drivers/mfd/Makefile | 2 +-
> drivers/{ssbi => mfd}/ssbi.c | 0
> drivers/ssbi/Kconfig | 16 ----------------
> drivers/ssbi/Makefile | 1 -
> 7 files changed, 3 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/Kconfig b/drivers/Kconfig
> index 78a956e..202fa6d 100644
> --- a/drivers/Kconfig
> +++ b/drivers/Kconfig
> @@ -52,8 +52,6 @@ source "drivers/i2c/Kconfig"
>
> source "drivers/spi/Kconfig"
>
> -source "drivers/ssbi/Kconfig"
> -
> source "drivers/hsi/Kconfig"
>
> source "drivers/pps/Kconfig"
> diff --git a/drivers/Makefile b/drivers/Makefile
> index 33360de..3c200a2 100644
> --- a/drivers/Makefile
> +++ b/drivers/Makefile
> @@ -114,7 +114,6 @@ obj-y += firmware/
> obj-$(CONFIG_CRYPTO) += crypto/
> obj-$(CONFIG_SUPERH) += sh/
> obj-$(CONFIG_ARCH_SHMOBILE) += sh/
> -obj-$(CONFIG_SSBI) += ssbi/
> ifndef CONFIG_ARCH_USES_GETTIMEOFFSET
> obj-y += clocksource/
> endif
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index ca86581..5150833 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -991,7 +991,8 @@ config MFD_PM8XXX
>
> config MFD_PM8921_CORE
> tristate "Qualcomm PM8921 PMIC chip"
> - depends on SSBI && BROKEN
> + depends on (ARCH_MSM || HEXAGON)
> + depends on BROKEN
> select MFD_CORE
> select MFD_PM8XXX
> help
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index b90409c..3b95b47 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -133,7 +133,7 @@ obj-$(CONFIG_MFD_VX855) += vx855.o
> obj-$(CONFIG_MFD_WL1273_CORE) += wl1273-core.o
> obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
> obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o omap-usb-tll.o
> -obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o
> +obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o ssbi.o
> obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o
> obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o
> obj-$(CONFIG_MFD_TPS65090) += tps65090.o
> diff --git a/drivers/ssbi/ssbi.c b/drivers/mfd/ssbi.c
> similarity index 100%
> rename from drivers/ssbi/ssbi.c
> rename to drivers/mfd/ssbi.c
> diff --git a/drivers/ssbi/Kconfig b/drivers/ssbi/Kconfig
> deleted file mode 100644
> index 1ae4040a..0000000
> --- a/drivers/ssbi/Kconfig
> +++ /dev/null
> @@ -1,16 +0,0 @@
> -#
> -# SSBI bus support
> -#
> -
> -menu "Qualcomm MSM SSBI bus support"
> -
> -config SSBI
> - tristate "Qualcomm Single-wire Serial Bus Interface (SSBI)"
> - help
> - If you say yes to this option, support will be included for the
> - built-in SSBI interface on Qualcomm MSM family processors.
> -
> - This is required for communicating with Qualcomm PMICs and
> - other devices that have the SSBI interface.
> -
> -endmenu
> diff --git a/drivers/ssbi/Makefile b/drivers/ssbi/Makefile
> deleted file mode 100644
> index 38fb70c..0000000
> --- a/drivers/ssbi/Makefile
> +++ /dev/null
> @@ -1 +0,0 @@
> -obj-$(CONFIG_SSBI) += ssbi.o
> --
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