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author | Bjorn Andersson <andersson@kernel.org> | 2024-08-15 05:12:27 +0200 |
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committer | Bjorn Andersson <andersson@kernel.org> | 2024-08-15 05:12:27 +0200 |
commit | 3f780bba3fc35f8a1beb9f198d51228395c3658a (patch) | |
tree | 13d311e6edd387cf15865c0ba662f26e5d9f4ec6 /drivers/firmware/qcom | |
parent | firmware: qcom: scm: Disable SDI and write no dump to dump mode (diff) | |
parent | firmware: qcom: qseecom: remove unused functions (diff) | |
download | linux-3f780bba3fc35f8a1beb9f198d51228395c3658a.tar.xz linux-3f780bba3fc35f8a1beb9f198d51228395c3658a.zip |
Merge branch 'drivers-fixes-for-6.11' into HEAD
Merge drivers-fixes-for-6.11 branch into drivers-for-6.12 to avoid the
(trivial) merge conflict occuring related to the qcom_pdm_domains
update.
Diffstat (limited to 'drivers/firmware/qcom')
-rw-r--r-- | drivers/firmware/qcom/qcom_scm-smc.c | 2 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_tzmem.c | 32 |
2 files changed, 22 insertions, 12 deletions
diff --git a/drivers/firmware/qcom/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c index dca5f3f1883b..2b4c2826f572 100644 --- a/drivers/firmware/qcom/qcom_scm-smc.c +++ b/drivers/firmware/qcom/qcom_scm-smc.c @@ -73,7 +73,7 @@ int scm_get_wq_ctx(u32 *wq_ctx, u32 *flags, u32 *more_pending) struct arm_smccc_res get_wq_res; struct arm_smccc_args get_wq_ctx = {0}; - get_wq_ctx.args[0] = ARM_SMCCC_CALL_VAL(ARM_SMCCC_STD_CALL, + get_wq_ctx.args[0] = ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_64, ARM_SMCCC_OWNER_SIP, SCM_SMC_FNID(QCOM_SCM_SVC_WAITQ, QCOM_SCM_WAITQ_GET_WQ_CTX)); diff --git a/drivers/firmware/qcom/qcom_tzmem.c b/drivers/firmware/qcom/qcom_tzmem.c index 17948cfc82e7..caedeef0059c 100644 --- a/drivers/firmware/qcom/qcom_tzmem.c +++ b/drivers/firmware/qcom/qcom_tzmem.c @@ -40,7 +40,6 @@ struct qcom_tzmem_pool { }; struct qcom_tzmem_chunk { - phys_addr_t paddr; size_t size; struct qcom_tzmem_pool *owner; }; @@ -385,7 +384,6 @@ again: return NULL; } - chunk->paddr = gen_pool_virt_to_phys(pool->genpool, vaddr); chunk->size = size; chunk->owner = pool; @@ -431,25 +429,37 @@ void qcom_tzmem_free(void *vaddr) EXPORT_SYMBOL_GPL(qcom_tzmem_free); /** - * qcom_tzmem_to_phys() - Map the virtual address of a TZ buffer to physical. - * @vaddr: Virtual address of the buffer allocated from a TZ memory pool. + * qcom_tzmem_to_phys() - Map the virtual address of TZ memory to physical. + * @vaddr: Virtual address of memory allocated from a TZ memory pool. * - * Can be used in any context. The address must have been returned by a call - * to qcom_tzmem_alloc(). + * Can be used in any context. The address must point to memory allocated + * using qcom_tzmem_alloc(). * - * Returns: Physical address of the buffer. + * Returns: + * Physical address mapped from the virtual or 0 if the mapping failed. */ phys_addr_t qcom_tzmem_to_phys(void *vaddr) { struct qcom_tzmem_chunk *chunk; + struct radix_tree_iter iter; + void __rcu **slot; + phys_addr_t ret; guard(spinlock_irqsave)(&qcom_tzmem_chunks_lock); - chunk = radix_tree_lookup(&qcom_tzmem_chunks, (unsigned long)vaddr); - if (!chunk) - return 0; + radix_tree_for_each_slot(slot, &qcom_tzmem_chunks, &iter, 0) { + chunk = radix_tree_deref_slot_protected(slot, + &qcom_tzmem_chunks_lock); - return chunk->paddr; + ret = gen_pool_virt_to_phys(chunk->owner->genpool, + (unsigned long)vaddr); + if (ret == -1) + continue; + + return ret; + } + + return 0; } EXPORT_SYMBOL_GPL(qcom_tzmem_to_phys); |