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[xen master] xen/arm: smmuv3: Use fallthrough pseudo-keyword



commit ed2ffa2bf50499f4a0a020c57e99b93e9b2a37fe
Author:     Rahul Singh <rahul.singh@xxxxxxx>
AuthorDate: Wed Jan 20 14:52:42 2021 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Sat Jan 23 11:49:32 2021 +0000

    xen/arm: smmuv3: Use fallthrough pseudo-keyword
    
    Backport commit df561f6688fef775baa341a0f5d960becd248b11
    "treewide: Use fallthrough pseudo-keyword" from Linux kernel.
    
    Replace the existing /* fall through */ comments and its variants with
    the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
    fall-through markings when it is the case.
    
    Signed-off-by: Rahul Singh <rahul.singh@xxxxxxx>
    Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/drivers/passthrough/arm/smmu-v3.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/xen/drivers/passthrough/arm/smmu-v3.c 
b/xen/drivers/passthrough/arm/smmu-v3.c
index 5ce14850b4..f5f8b4c981 100644
--- a/xen/drivers/passthrough/arm/smmu-v3.c
+++ b/xen/drivers/passthrough/arm/smmu-v3.c
@@ -932,7 +932,6 @@ static void arm_smmu_cmdq_skip_err(struct arm_smmu_device 
*smmu)
                 */
                return;
        case CMDQ_ERR_CERROR_ILL_IDX:
-               /* Fallthrough */
        default:
                break;
        }
@@ -2488,7 +2487,7 @@ static int arm_smmu_device_hw_probe(struct 
arm_smmu_device *smmu)
        switch (FIELD_GET(IDR0_STALL_MODEL, reg)) {
        case IDR0_STALL_MODEL_FORCE:
                smmu->features |= ARM_SMMU_FEAT_STALL_FORCE;
-               /* Fallthrough */
+               fallthrough;
        case IDR0_STALL_MODEL_STALL:
                smmu->features |= ARM_SMMU_FEAT_STALLS;
        }
@@ -2505,7 +2504,7 @@ static int arm_smmu_device_hw_probe(struct 
arm_smmu_device *smmu)
        switch (FIELD_GET(IDR0_TTF, reg)) {
        case IDR0_TTF_AARCH32_64:
                smmu->ias = 40;
-               /* Fallthrough */
+               fallthrough;
        case IDR0_TTF_AARCH64:
                break;
        default:
@@ -2589,7 +2588,7 @@ static int arm_smmu_device_hw_probe(struct 
arm_smmu_device *smmu)
        default:
                dev_info(smmu->dev,
                        "unknown output address size. Truncating to 48-bit\n");
-               /* Fallthrough */
+               fallthrough;
        case IDR5_OAS_48_BIT:
                smmu->oas = 48;
        }
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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