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Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements

From Bin Meng <bmeng.cn@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements
Date 2017-09-13 04:20 +0200
Message-ID <up5rr-1gh-1@gated-at.bofh.it> (permalink)
References <uotma-15R-3@gated-at.bofh.it> <up5rr-1gh-3@gated-at.bofh.it>
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Hi Joakim,

On Tue, Sep 12, 2017 at 1:44 AM, Joakim Tjernlund
<Joakim.Tjernlund@infinera.com> wrote:
> 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?
>

All the boards I have tested only have one SPI flash. Mika, any comments?

Regards,
Bin

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[PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:40 +0200
  [PATCH v2 10/10] spi-nor: intel-spi: Fall back to use SW sequencer to erase Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:40 +0200
  [PATCH v2 02/10] spi-nor: intel-spi: Remove useless 'buf' parameter in the HW/SW cycle Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:50 +0200
  Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Bin Meng <bmeng.cn@gmail.com> - 2017-09-13 04:20 +0200
    Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and  enhancements "mika.westerberg@linux.intel.com" <mika.westerberg@linux.intel.com> - 2017-09-13 11:50 +0200

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