[PATCH 1/3] crypto: ixp4xx: convert to platform driver

[Corentin Labbe]

Le Mon, May 10, 2021 at 11:36:32PM +0200, Linus Walleij a écrit :
> From: Arnd Bergmann <arnd at arndb.de>
> 
> The ixp4xx_crypto driver traditionally registers a bare platform
> device without attaching it to a driver, and detects the hardware
> at module init time by reading an SoC specific hardware register.
> 
> Change this to the conventional method of registering the platform
> device from the platform code itself when the device is present,
> turning the module_init/module_exit functions into probe/release
> driver callbacks.
> 
> This enables compile-testing as well as potentially having ixp4xx
> coexist with other ARMv5 platforms in the same kernel in the future.
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
> Herbert, David: I am looking for an ACK to take this
> into the ARM SoC tree as we want to change more stuff in
> the machine at the same time that we want to resolve
> there.
> ---
>  arch/arm/mach-ixp4xx/common.c  | 26 ++++++++++++++++++++++++
>  drivers/crypto/Kconfig         |  3 ++-
>  drivers/crypto/ixp4xx_crypto.c | 37 ++++++++++++----------------------
>  3 files changed, 41 insertions(+), 25 deletions(-)
> 

Hello

With minor editing I successfully added this series on top of my fix series https://lore.kernel.org/patchwork/cover/1421865/

With the following patch, I successfully booted my epbx100 board and the crypto driver loaded.
--- a/arch/arm/boot/dts/intel-ixp4xx.dtsi
+++ b/arch/arm/boot/dts/intel-ixp4xx.dtsi
@@ -61,9 +61,16 @@ timer at c8005000 {
                        interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
                };
 
-               npe at c8006000 {
+               npe: npe at c8006000 {
                        compatible = "intel,ixp4xx-network-processing-engine";
                        reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>;
+
+                       crypto {
+                               compatible = "intel,ixp4xx-crypto";
+                               intel,npe-handle = <&npe 2>;
+                               queue-rx = <&qmgr 30>;
+                               queue-txready = <&qmgr 29>;
+                       };
                };
        };
 };

So you could add
Tested-by: Corentin Labbe <clabbe at baylibre.com>

Thanks