Re: [PATCH 1/2] sizes.h: Add SZ_1T macro

From: Bjorn Helgaas
Date: Wed Dec 15 2021 - 15:42:12 EST


On Wed, Dec 08, 2021 at 02:32:42PM +0000, Christophe Leroy wrote:
> Today drivers/pci/controller/pci-xgene.c defines SZ_1T
>
> Move it into linux/sizes.h so that it can be re-used elsewhere.
>
> Cc: Toan Le <toan@xxxxxxxxxxxxxxxxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>

I guess this needs to go with the [2/2] patch, since it also uses
SZ_1T.

Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

> ---
> drivers/pci/controller/pci-xgene.c | 1 -
> include/linux/sizes.h | 2 ++
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
> index 56d0d50338c8..716dcab5ca47 100644
> --- a/drivers/pci/controller/pci-xgene.c
> +++ b/drivers/pci/controller/pci-xgene.c
> @@ -49,7 +49,6 @@
> #define EN_REG 0x00000001
> #define OB_LO_IO 0x00000002
> #define XGENE_PCIE_DEVICEID 0xE004
> -#define SZ_1T (SZ_1G*1024ULL)
> #define PIPE_PHY_RATE_RD(src) ((0xc000 & (u32)(src)) >> 0xe)
>
> #define XGENE_V1_PCI_EXP_CAP 0x40
> diff --git a/include/linux/sizes.h b/include/linux/sizes.h
> index 1ac79bcee2bb..84aa448d8bb3 100644
> --- a/include/linux/sizes.h
> +++ b/include/linux/sizes.h
> @@ -47,6 +47,8 @@
> #define SZ_8G _AC(0x200000000, ULL)
> #define SZ_16G _AC(0x400000000, ULL)
> #define SZ_32G _AC(0x800000000, ULL)
> +
> +#define SZ_1T _AC(0x10000000000, ULL)
> #define SZ_64T _AC(0x400000000000, ULL)
>
> #endif /* __LINUX_SIZES_H__ */
> --
> 2.33.1