2016-05-09 18:34 GMT+02:00 Nicolas Ferre <[email protected]>: > From: Wenyou Yang <[email protected]> > > An error in documentation of the NAND Flash Controller (NFC) led to choose > another compatibility string for sama5d2 with an impact on the NAND flash > ready/busy information. It was producing the error message: > > atmel_nand 80000000.nand: Time out to wait for interrupt: 0x08000000 > > and had an impact on performance. > > So, switch back to the classical "atmel,sama5d3-nfc" compatibility string for > this SoC which gives the proper ready/busy bit information. The NAND flash > driver will be updated to remove the support for this different > implementation. > > Signed-off-by: Wenyou Yang <[email protected]> > [[email protected]: change commit message] > Signed-off-by: Nicolas Ferre <[email protected]>
Acked-by: Romain Izard <[email protected]> > --- > Wenyou, Romain, > > I plan to send this patch for 4.6-rc as a fix tomorrow (my time). Can you > please tell me if it's okay on your side. > I revised the commit message just to justify the very late "fix" sending of > this patch... > > Thanks for your help, bye. > Nicolas. > > > arch/arm/boot/dts/sama5d2.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi > index 78996bdbd3df..9817090c1b73 100644 > --- a/arch/arm/boot/dts/sama5d2.dtsi > +++ b/arch/arm/boot/dts/sama5d2.dtsi > @@ -280,7 +280,7 @@ > status = "disabled"; > > nfc@c0000000 { > - compatible = "atmel,sama5d4-nfc"; > + compatible = "atmel,sama5d3-nfc"; > #address-cells = <1>; > #size-cells = <1>; > reg = < /* NFC Command Registers */ > -- > 2.1.3 >
