Hi Fabio, > Hi Lukasz, > > Subject line could be improved: > > ARM: dts: vf610-bk4: Fix qspi node description > > On Tue, Jul 30, 2019 at 12:06 PM Lukasz Majewski > wrote: > > > > Before this change the device tree description of qspi node for > > second memory on BK4 board was wrong (applicable to old, in-house > > tunned fsl-quadspi.c driver). > > > > As a result this memory was not recognized correctly when used > > with the new spi-fsl-qspi.c driver. > > > > From the dt-bindings: > > > > "Required SPI slave node properties: > > - reg: There are two buses (A and B) with two chip selects each. > > This encodes to which bus and CS the flash is connected: > > <0>: Bus A, CS 0 > > <1>: Bus A, CS 1 > > <2>: Bus B, CS 0 > > <3>: Bus B, CS 1" > > > > According to above with new driver the second SPI-NOR memory shall > > have reg=<2> as it is connected to Bus B, CS 0. > > I am glad you got it working! > > This looks very familiar with the suggestion I sent yesterday: > http://lists.infradead.org/pipermail/linux-mtd/2019-July/090655.html > Yes, indeed. Deepest apologizes for not adding credits. I will fix it in v2. > It is a good practice to give some credit to someone who has helped in > finding the solution of your problem. > > Adding a Suggested-by: Fabio Estevam would be > nice here. > > This also needs a Fixes tag. Shall I refer to the original commit (which added this DTS)? Or the original issue posted to linux-mtd [1] ? Note: [1] - https://www.spinics.net/lists/linux-mtd/msg08114.html Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de