From: Peng Fan <[email protected]> For ARMv7, the alignment could be SECTION size. But for ARM64, use PAGE_SIZE.
Signed-off-by: Peng Fan <[email protected]> Signed-off-by: Alice Guo <[email protected]> Reviewed-by: Ye Li <[email protected]> --- drivers/firmware/scmi/smt.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/scmi/smt.c b/drivers/firmware/scmi/smt.c index 67d2f45002..e9d401f0da 100644 --- a/drivers/firmware/scmi/smt.c +++ b/drivers/firmware/scmi/smt.c @@ -29,6 +29,7 @@ int scmi_dt_get_smt_buffer(struct udevice *dev, struct scmi_smt *smt) int ret; struct ofnode_phandle_args args; struct resource resource; + u32 align_size __maybe_unused; ret = dev_read_phandle_with_args(dev, "shmem", NULL, 0, 0, &args); if (ret) @@ -49,11 +50,15 @@ int scmi_dt_get_smt_buffer(struct udevice *dev, struct scmi_smt *smt) return -ENOMEM; #ifdef CONFIG_ARM - if (dcache_status()) - mmu_set_region_dcache_behaviour(ALIGN_DOWN((uintptr_t)smt->buf, MMU_SECTION_SIZE), - ALIGN(smt->size, MMU_SECTION_SIZE), - DCACHE_OFF); - + if (dcache_status()) { + if (IS_ENABLED(CONFIG_ARM64)) + align_size = PAGE_SIZE; + else + align_size = MMU_SECTION_SIZE; + + mmu_set_region_dcache_behaviour(ALIGN_DOWN((uintptr_t)smt->buf, align_size), + ALIGN(smt->size, align_size), DCACHE_OFF); + } #endif return 0; -- 2.34.1
