From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krishna Reddy Subject: [PATCH v9 1/4] iommu/arm-smmu: move TLB timeout and spin count macros Date: Tue, 30 Jun 2020 16:57:49 -0700 Message-ID: <20200630235752.8737-2-vdumpa@nvidia.com> References: <20200630235752.8737-1-vdumpa@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20200630235752.8737-1-vdumpa-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, will-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, yhsu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, snikam-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, praithatha-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, talho-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, bbiswas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, nicolinc-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, bhuntsman-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, nicoleotsuka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Krishna Reddy List-Id: linux-tegra@vger.kernel.org Move TLB timeout and spin count macros to header file to allow using the same values from vendor specific implementations. Signed-off-by: Krishna Reddy --- drivers/iommu/arm-smmu.c | 3 --- drivers/iommu/arm-smmu.h | 2 ++ 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 243bc4cb2705b..d2054178df357 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -52,9 +52,6 @@ */ #define QCOM_DUMMY_VAL -1 =20 -#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */ -#define TLB_SPIN_COUNT 10 - #define MSI_IOVA_BASE 0x8000000 #define MSI_IOVA_LENGTH 0x100000 =20 diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h index d172c024be618..c7d0122a7c6ca 100644 --- a/drivers/iommu/arm-smmu.h +++ b/drivers/iommu/arm-smmu.h @@ -236,6 +236,8 @@ enum arm_smmu_cbar_type { /* Maximum number of context banks per SMMU */ #define ARM_SMMU_MAX_CBS 128 =20 +#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */ +#define TLB_SPIN_COUNT 10 =20 /* Shared driver definitions */ enum arm_smmu_arch_version { --=20 2.26.2