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SubjectRe: [PATCH v9 0/2] spi: cadence-quadpsi: Add support for the Cadence QSPI controller
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Hi Mark,

On 14/2/2020 8:11 PM, Mark Brown wrote:
> On Fri, Feb 14, 2020 at 01:02:22PM +0100, Simon Goldschmidt wrote:
>> On Fri, Feb 14, 2020 at 12:46 PM Ramuthevar,Vadivel MuruganX
>> <vadivel.muruganx.ramuthevar@linux.intel.com> wrote:
>>> Add support for the Cadence QSPI controller. This controller is
>>> present in the Intel Lightning Mountain(LGM) SoCs, Altera and TI SoCs.
>>> This driver has been tested on the Intel LGM SoCs.
>> This is v9 and still, none of the altera maintainers are on CC?
>> How will it be ensured that this doesn't break altera if it is merged?
> Given that this is a new driver I'd be very surprised if it broke other
> users? I can imagine it might not work for them and it would definitely
> be much better to get their review but it shouldn't be any worse than
> the current lack of support.
Thanks for the clarification, Please kindly see the below discussion b/w
Vignesh and Dinh in the earlier mail chain.

[Vignesh]  The legacy driver under drivers/mtd/spi-nor will be removed
as we cannot
support both SPI NOR and SPI NAND with single driver if its under
spi-nor. New driver should be functionally equivalent to existing one.
So I suggest you test this driver on legcay SoCFPGA products.

[Dinh]   I don't have the original patch series, but will monitor going
forward.
As long as the new driver does not break legacy SoCFPGA products that
use the cadence-quadspi driver then it should be ok.

Regards
vadivel

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