RE: [PATCH v4 47/47] soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE

From: Qiang Zhao
Date: Tue Nov 12 2019 - 21:49:03 EST


On Fri, Nov 8, 2019 at 21:01, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> wrote:

> -----Original Message-----
> From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> Sent: 2019年11月8日 21:01
> To: Qiang Zhao <qiang.zhao@xxxxxxx>; Leo Li <leoyang.li@xxxxxxx>;
> Christophe Leroy <christophe.leroy@xxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; Scott Wood <oss@xxxxxxxxxxxx>; Rasmus
> Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> Subject: [PATCH v4 47/47] soc: fsl: qe: remove PPC32 dependency from
> CONFIG_QUICC_ENGINE
>
> There are also ARM and ARM64 based SOCs with a QUICC Engine, and the core
> QE code as well as net/wan/fsl_ucc_hdlc and tty/serial/ucc_uart has now been
> modified to not rely on ppcisms.
>
> So extend the architectures that can select QUICC_ENGINE, and add the rather
> modest requirements of OF && HAS_IOMEM.
>
> The core code as well as the ucc_uart driver has been tested on an LS1021A
> (arm), and it has also been tested that the QE code still works on an mpc8309
> (ppc).
>
> Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/soc/fsl/qe/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig index
> cfa4b2939992..f1974f811572 100644
> --- a/drivers/soc/fsl/qe/Kconfig
> +++ b/drivers/soc/fsl/qe/Kconfig
> @@ -5,7 +5,8 @@
>
> config QUICC_ENGINE
> bool "QUICC Engine (QE) framework support"
> - depends on FSL_SOC && PPC32
> + depends on OF && HAS_IOMEM
> + depends on PPC32 || ARM || ARM64 || COMPILE_TEST
> select GENERIC_ALLOCATOR
> select CRC32
> help
> --
Tested-by: Qiang Zhao <qiang.zhao@xxxxxxx>
Tested QE-HDLC on ARM64!

Best Regards
Qiang Zhao