@@ -1037,7 +1037,7 @@ static int queue_insert_raw(struct arm_smmu_queue *q, u64 *ent)
return 0;
}
-static void queue_read(__le64 *dst, u64 *src, size_t n_dwords)
+static void queue_read(u64 *dst, __le64 *src, size_t n_dwords)
{
int i;
@@ -1436,7 +1436,7 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_master *master, u32 sid,
arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd);
}
-static void arm_smmu_init_bypass_stes(u64 *strtab, unsigned int nent)
+static void arm_smmu_init_bypass_stes(__le64 *strtab, unsigned int nent)
{
unsigned int i;
Backport Linux commit 376cdf66f62444a1b4ebb393bab9fc44966f9b49 "iommu/arm-smmu-v3: Fix endianness annotations" Original commit message: When building with C=1, sparse reports some issues regarding endianness annotations: arm-smmu-v3.c:221:26: warning: cast to restricted __le64 arm-smmu-v3.c:221:24: warning: incorrect type in assignment (different base types) arm-smmu-v3.c:221:24: expected restricted __le64 [usertype] arm-smmu-v3.c:221:24: got unsigned long long [usertype] arm-smmu-v3.c:229:20: warning: incorrect type in argument 1 (different base types) arm-smmu-v3.c:229:20: expected restricted __le64 [usertype] *[assigned] dst arm-smmu-v3.c:229:20: got unsigned long long [usertype] *ent arm-smmu-v3.c:229:25: warning: incorrect type in argument 2 (different base types) arm-smmu-v3.c:229:25: expected unsigned long long [usertype] *[assigned] src arm-smmu-v3.c:229:25: got restricted __le64 [usertype] * arm-smmu-v3.c:396:20: warning: incorrect type in argument 1 (different base types) arm-smmu-v3.c:396:20: expected restricted __le64 [usertype] *[assigned] dst arm-smmu-v3.c:396:20: got unsigned long long * arm-smmu-v3.c:396:25: warning: incorrect type in argument 2 (different base types) arm-smmu-v3.c:396:25: expected unsigned long long [usertype] *[assigned] src arm-smmu-v3.c:396:25: got restricted __le64 [usertype] * arm-smmu-v3.c:1349:32: warning: invalid assignment: |= arm-smmu-v3.c:1349:32: left side has type restricted __le64 arm-smmu-v3.c:1349:32: right side has type unsigned long arm-smmu-v3.c:1396:53: warning: incorrect type in argument 3 (different base types) arm-smmu-v3.c:1396:53: expected restricted __le64 [usertype] *dst arm-smmu-v3.c:1396:53: got unsigned long long [usertype] *strtab arm-smmu-v3.c:1424:39: warning: incorrect type in argument 1 (different base types) arm-smmu-v3.c:1424:39: expected unsigned long long [usertype] *[assigned] strtab arm-smmu-v3.c:1424:39: got restricted __le64 [usertype] *l2ptr While harmless, they are incorrect and could hide actual errors during development. Fix them. Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/20200918141856.629722-1-jean-philippe@linaro.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Rahul Singh <rahul.singh@arm.com> --- xen/drivers/passthrough/arm/smmu-v3.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)