RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 marca 2017 15:15 > On 03/10/2017 03:09 PM, Artur Jedrysek wrote: > > CCing Dinh. > > [...] > > > + /* Determine, whether or not octal transfer MAY be supported */ > > But you already know that from DT, no ? > >

RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 marca 2017 15:15 > On 03/10/2017 03:09 PM, Artur Jedrysek wrote: > > CCing Dinh. > > [...] > > > + /* Determine, whether or not octal transfer MAY be supported */ > > But you already know that from DT, no ? > >

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Marek Vasut
On 03/10/2017 03:09 PM, Artur Jedrysek wrote: CCing Dinh. [...] > + /* Determine, whether or not octal transfer MAY be supported */ But you already know that from DT, no ? >>> >>> Cadence Octal (formerly Quad) SPI Controller is sold as an IP, and is >>> configurable. This

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Marek Vasut
On 03/10/2017 03:09 PM, Artur Jedrysek wrote: CCing Dinh. [...] > + /* Determine, whether or not octal transfer MAY be supported */ But you already know that from DT, no ? >>> >>> Cadence Octal (formerly Quad) SPI Controller is sold as an IP, and is >>> configurable. This

RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 March 2017 13:50 > On 03/10/2017 01:00 PM, Artur Jedrysek wrote: > > > > From: Marek Vasut [mailto:marek.va...@gmail.com] > > Sent: 10 March 2017 04:37 > >> On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > >>> Recent versions of Cadence QSPI

RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 March 2017 13:50 > On 03/10/2017 01:00 PM, Artur Jedrysek wrote: > > > > From: Marek Vasut [mailto:marek.va...@gmail.com] > > Sent: 10 March 2017 04:37 > >> On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > >>> Recent versions of Cadence QSPI

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Marek Vasut
On 03/10/2017 01:00 PM, Artur Jedrysek wrote: > > From: Marek Vasut [mailto:marek.va...@gmail.com] > Sent: 10 March 2017 04:37 >> On 03/08/2017 09:02 AM, Artur Jedrysek wrote: >>> Recent versions of Cadence QSPI controller support Octal SPI transfers >>> as well. This patch updates existing

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Marek Vasut
On 03/10/2017 01:00 PM, Artur Jedrysek wrote: > > From: Marek Vasut [mailto:marek.va...@gmail.com] > Sent: 10 March 2017 04:37 >> On 03/08/2017 09:02 AM, Artur Jedrysek wrote: >>> Recent versions of Cadence QSPI controller support Octal SPI transfers >>> as well. This patch updates existing

RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 March 2017 04:37 > On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > > Recent versions of Cadence QSPI controller support Octal SPI transfers > > as well. This patch updates existing driver to support such feature. > > > > It is not possible

RE: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-10 Thread Artur Jedrysek
From: Marek Vasut [mailto:marek.va...@gmail.com] Sent: 10 March 2017 04:37 > On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > > Recent versions of Cadence QSPI controller support Octal SPI transfers > > as well. This patch updates existing driver to support such feature. > > > > It is not possible

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-09 Thread Marek Vasut
On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > Recent versions of Cadence QSPI controller support Octal SPI transfers > as well. This patch updates existing driver to support such feature. > > It is not possible to determine whether or not octal mode is supported > just by looking at revision

Re: [v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-09 Thread Marek Vasut
On 03/08/2017 09:02 AM, Artur Jedrysek wrote: > Recent versions of Cadence QSPI controller support Octal SPI transfers > as well. This patch updates existing driver to support such feature. > > It is not possible to determine whether or not octal mode is supported > just by looking at revision

[v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-08 Thread Artur Jedrysek
Recent versions of Cadence QSPI controller support Octal SPI transfers as well. This patch updates existing driver to support such feature. It is not possible to determine whether or not octal mode is supported just by looking at revision register alone. To solve that, an additional compatible in

[v2, 2/4] mtd: spi-nor: Add Octal SPI support to Cadence QSPI driver.

2017-03-08 Thread Artur Jedrysek
Recent versions of Cadence QSPI controller support Octal SPI transfers as well. This patch updates existing driver to support such feature. It is not possible to determine whether or not octal mode is supported just by looking at revision register alone. To solve that, an additional compatible in