On 05/30/2015 04:37 PM, Joachim Eastwood wrote: > On 30 May 2015 at 21:33, Richard Weinberger <richard@xxxxxx> wrote: >> Am 30.05.2015 um 20:08 schrieb Ezequiel Garcia: >>> +Richard >>> >>> On 05/30/2015 01:51 PM, Joachim Eastwood wrote: >>>> Hi Ezequiel, >>>> >>>> On 30 May 2015 at 17:43, Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> wrote: >>>>> Hi Joachim, >>>>> >>>>> Looks pretty neat. I've just a couple comments. >>>>> >>>>> On 05/29/2015 02:50 PM, Joachim Eastwood wrote: >>>>>> Add SPI-NOR driver for the SPI Flash Interface (SPIFI) >>>>>> controller that is found newer NXP MCU devices. >>>>>> >>>>>> The controller supports serial SPI Flash devices with 1-, 2- >>>>>> and 4-bit width in either SPI mode 0 or 3. The controller >>>>>> can operate in either command or memory mode. In memory mode >>>>>> the Flash is exposed as normal memory and can be directly >>>>>> accessed by the CPU. >>>>>> >>>>>> Signed-off-by: Joachim Eastwood <manabian@xxxxxxxxx> >>>>>> --- >>>>>> drivers/mtd/spi-nor/Kconfig | 10 + >>>>>> drivers/mtd/spi-nor/Makefile | 1 + >>>>>> drivers/mtd/spi-nor/nxp-spifi.c | 508 ++++++++++++++++++++++++++++++++++++++++ >>>>>> 3 files changed, 519 insertions(+) >>>>>> create mode 100644 drivers/mtd/spi-nor/nxp-spifi.c >>>>>> >>>>>> diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig >>>>>> index 64a4f0edabc7..f10a37f1a4ef 100644 >>>>>> --- a/drivers/mtd/spi-nor/Kconfig >>>>>> +++ b/drivers/mtd/spi-nor/Kconfig >>>>>> @@ -28,4 +28,14 @@ config SPI_FSL_QUADSPI >>>>>> This enables support for the Quad SPI controller in master mode. >>>>>> We only connect the NOR to this controller now. >>>>>> >>>>>> +config SPI_NXP_SPIFI >>>>>> + tristate "NXP SPI Flash Interface (SPIFI)" >>>>>> + depends on OF && (ARCH_LPC18XX || COMPILE_TEST) >>>>> >>>>> Since you are adding COMPILE_TEST, maybe you want >>>>> 'depends on HAS_IOMEM' as well? >>>> >>>> Since MTD depends on GENERIC_IO is that needed? >>>> Or am I confusing the config options here(?) >>>> >>> >>> I think you need HAS_IOMEM for ioremap stuff. >>> Maybe Brian or Richard will know better. >> >> Yes, if you need ioremap() your driver has to depend on HAS_IOMEM. >> >> We have GENERIC_IO to allow non-physical MTD stuff >> on architectures without io memory, namely s390 and UML. >> Some time ago I've implemented GENERIC_IO to make nandsim >> and UBI work on UML. > > Got it. > Thanks Richard. > > I'll send a new version of the patch within a couple of days. > You can add my reviewed on that. Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> -- Ezequiel Garcia, VanguardiaSur www.vanguardiasur.com.ar -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
