Thread (18 messages) 18 messages, 5 authors, 2016-09-07

Re: [PATCH v11 2/4] tee: generic TEE subsystem

From: Jens Wiklander <jens.wiklander@linaro.org>
Date: 2016-08-31 12:47:52
Also in: linux-arm-kernel, lkml

On Tue, Aug 30, 2016 at 02:29:45PM -0500, Andrew F. Davis wrote:
On 08/22/2016 08:00 AM, Jens Wiklander wrote:
quoted
+/*
+ * Unprivileged devices in the in the lower half range and privileged
                                ^^ in the in the
[snip]
quoted
+
+	rc = alloc_chrdev_region(&tee_devt, 0, TEE_NUM_DEVICES, "tee");
+	if (rc < 0) {
if (rc) ?

[snip]
quoted
+ * Memory allocated as global shared memory is automatically freed when the
+ * TEE file pointer is closed. The @flags field uses the bits defined by
+ * TEE_SHM_* above. TEE_SHM_MAPPED must currently always be set. If
             ^^^ not really above anymore, out of file now looks like
quoted
+ * TEE_SHM_DMA_BUF global shared memory will be allocated and associated
+ * with a dma-buf handle, else driver private memory.
+ *
+ * @returns a pointer to 'struct tee_shm'
Doesn't say anything, is this really needed?

[snip]
quoted
+/**
+ * struct tee_shm_pool_mem_info - holds information needed to create a shared
+ * memory pool
+ * @vaddr:	Virtual address of start of pool
+ * @paddr:	Physical address of start of pool
+ * @size:	Size in bytes of the pool
+ */
+struct tee_shm_pool_mem_info {
+	unsigned long vaddr;
+	unsigned long paddr;
phys_addr_t paddr; ?
Thanks for taking the time to review this. I'll address all your
comments here in the next version of the patch set.

--
Jens
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