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    SubjectRe: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements
    Date
    On Mon, 2017-09-11 at 02:41 -0700, Bin Meng wrote:
    > This series does several bug fixes and clean ups against the intel-spi
    > spi-nor driver, as well as enhancements to make the driver independent
    > on the underlying BIOS/bootloader.
    >
    > At present the driver uses the HW sequencer for the read/write/erase on
    > all supported platforms, read_reg/write_reg for BXT, and the SW sequencer
    > for read_reg/write_reg for BYT/LPT. The way the driver uses the HW and SW
    > sequencer relies on some programmed register settings and hence creates
    > unneeded dependencies with the underlying BIOS/bootloader. For example,
    > the driver unfortunately does not work as expected when booting from
    > Intel Baytrail FSP based bootloaders like U-Boot, as the Baytrail FSP
    > does not set up some SPI controller settings to make the driver happy.
    > Now such limitation has been removed with this series.

    Hi Bin

    Just starting to test these on Rangeley and got a question: We have two SPI flashes on CS0 resp. CS1
    and the mtd driver seems to only map the first of those flashes. Is this intentional or
    are we missing something?

    Jocke

    >
    > Changes in v2:
    > - Add stable kernel tags in the commit message (patch [03/10])
    > - Fix typo of 'operatoin' (patch [10/10])
    > - Add Mika Westerberg's 'Acked-by' tag
    >
    > Bin Meng (10):
    > spi-nor: intel-spi: Fix number of protected range registers for
    > BYT/LPT
    > spi-nor: intel-spi: Remove useless 'buf' parameter in the HW/SW cycle
    > spi-nor: intel-spi: Fix broken software sequencing codes
    > spi-nor: intel-spi: Check transfer length in the HW/SW cycle
    > spi-nor: intel-spi: Use SW sequencer for BYT/LPT
    > spi-nor: intel-spi: Remove 'Atomic Cycle Sequence' in
    > intel_spi_write()
    > spi-nor: intel-spi: Don't assume OPMENU0/1 to be programmed by BIOS
    > spi-nor: intel-spi: Remove the unnecessary HSFSTS register RW
    > spi-nor: intel-spi: Rename swseq to swseq_reg in 'struct intel_spi'
    > spi-nor: intel-spi: Fall back to use SW sequencer to erase
    >
    > drivers/mtd/spi-nor/intel-spi.c | 209 +++++++++++++++++++++++++++++-----------
    > 1 file changed, 151 insertions(+), 58 deletions(-)
    >

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