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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240527-shm-bridge-v10-5-ce7afaa58d3a@linaro.org> References: <20240527-shm-bridge-v10-0-ce7afaa58d3a@linaro.org> In-Reply-To: <20240527-shm-bridge-v10-0-ce7afaa58d3a@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Marko , Das Srinagesh , Bartosz Golaszewski , Maximilian Luz , Catalin Marinas , Will Deacon , Srini Kandagatla , Arnd Bergmann , Elliot Berman , Alex Elder Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Andrew Halaney , Deepti Jaggi X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2241; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=9Erqvqgiad5rjTJsNR0YSbu/CRguRxvgVp+lpYCpIVk=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBmVIMIKOO9v8eTMGirexp87ho1NlUlhkeO/Hz9j WAf+2zXRZeJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZlSDCAAKCRARpy6gFHHX crGMD/0YS7UnmIE3KqMGN3f/lgIUFTePpK9qvRMHBPLj2Dpag/edaQyVnec1ocNJlO8pz/bNR03 UdWI8Po0hrZN8wLxgwxiAytFfl+Sa/aJ99bbZjwnd7nk9o8icNvkBmE6wtg3OFHSx4rJspet0cf tD7cJ93DyEg8nVqzSw4anW94zC0NczKotQmHBvEmXzuITPwUmAsIVjey3it0QaXigk3k1LN4yLj pQmOTt0CINtQexASpTZAFvC++O0u708QBAU12SjPXB+9vNWpd/9OHS/P1Sp3ISzJqQP37QH+Ozz opcFF0t5siyZ5FgdRvui5YOcoIMdAmy1i4XhIqlAo5+UlhqsOqrAvV218vnNdsJFooB8Mm162Ga lqRB/8qrODadaf4jJY/5k2/mkL7jcCOZw9eFJQfnDNN8VMZdry4pcX/nnYDGMwgPV2I/1/xxCm3 qbbCV1RsuS56M2JZtdWxrbPwwvxPlAdCaRm9nmC7rPuKHPg38FoEglA7uz8iLYLSSSvw7CdUVP0 L0KLtJGnM6v8AFX0lR0wQ6ka+np8QNJYiU2/rLCL7QWAEXNgTDe2MIICEUkrR/RH05lP3cGml7a x6R0LfAwyWSeue/g49j07ahDu21bvrhvd/+tgJ63nVLSILaYCqg0v2LVevZbxkLcYmL99Ifhy3L 6DqEfDKi8bRUI8Q== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Let's use the new TZ memory allocator to obtain a buffer for this call instead of using dma_alloc_coherent(). Signed-off-by: Bartosz Golaszewski Reviewed-by: Andrew Halaney Tested-by: Andrew Halaney # sc8280xp-lenovo-thinkpad-x13s Tested-by: Deepti Jaggi #sa8775p-ride Reviewed-by: Elliot Berman --- drivers/firmware/qcom/qcom_scm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 1d207c14afc8..ea4d71bb0ad3 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -1019,14 +1020,13 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, struct qcom_scm_mem_map_info *mem_to_map; phys_addr_t mem_to_map_phys; phys_addr_t dest_phys; - dma_addr_t ptr_phys; + phys_addr_t ptr_phys; size_t mem_to_map_sz; size_t dest_sz; size_t src_sz; size_t ptr_sz; int next_vm; __le32 *src; - void *ptr; int ret, i, b; u64 srcvm_bits = *srcvm; @@ -1036,10 +1036,13 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) + ALIGN(dest_sz, SZ_64); - ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL); + void *ptr __free(qcom_tzmem) = qcom_tzmem_alloc(__scm->mempool, + ptr_sz, GFP_KERNEL); if (!ptr) return -ENOMEM; + ptr_phys = qcom_tzmem_to_phys(ptr); + /* Fill source vmid detail */ src = ptr; i = 0; @@ -1068,7 +1071,6 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, ret = __qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz, ptr_phys, src_sz, dest_phys, dest_sz); - dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_phys); if (ret) { dev_err(__scm->dev, "Assign memory protection call failed %d\n", ret); -- 2.43.0