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]> --- 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
