Msm8953 For Arm64 Driver High Quality Apr 2026

cpu_ptr = dmam_alloc_coherent(m->dev->dev, size, &dma_handle, GFP_KERNEL); if (!cpu_ptr) return -ENOMEM;

/* longer processing here; top half already acknowledged the IRQ */ mutex_lock(&m->lock); /* handle event, schedule work, update state */ mutex_unlock(&m->lock); return IRQ_HANDLED; msm8953 for arm64 driver high quality

m = devm_kzalloc(&pdev->dev, sizeof(*m), GFP_KERNEL); if (!m) return -ENOMEM; m->dev = &pdev->dev; cpu_ptr = dmam_alloc_coherent(m-&gt

static int msm_probe(struct platform_device *pdev) if (!cpu_ptr) return -ENOMEM