[PATCH v6 2/2] cxl: read PHB indications from the device tree

[christophe lombard]

Le 11/01/2018 à 16:01, Philippe Bergheaud a écrit :
> Configure the P9 XSL_DSNCTL register with PHB indications found
> in the device tree, or else use legacy hard-coded values.
> 
> Signed-off-by: Philippe Bergheaud <felix at linux.vnet.ibm.com>
> ---
> Changelog:
> 
> v2: New patch. Use the new device tree property "ibm,phb-indications".
> 
> v3: No change.
> 
> v4: No functional change.
>      Drop cosmetic fix in comment.
> 
> v5: get_phb_indications():
>        - make static variables local to function.
>        - return static variable values by arguments.
> 
> v6: get_phb_indications():
>        - acquire a mutex before setting the phb indications.
> 
> This patch depends on the following skiboot patch:
>    https://patchwork.ozlabs.org/patch/858324/
> ---
>   drivers/misc/cxl/cxl.h    |  2 +-
>   drivers/misc/cxl/cxllib.c |  2 +-
>   drivers/misc/cxl/pci.c    | 50 ++++++++++++++++++++++++++++++++++++++++++-----
>   3 files changed, 47 insertions(+), 7 deletions(-)
> 

Acked-by: Christophe Lombard <clombard at linux.vnet.ibm.com>