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Commit b974ce64 authored by Nikhilesh Reddy's avatar Nikhilesh Reddy
Browse files

uio: msm_sharedmem: Add addtional information to debugfs 



Add an addtional line to the debugfs info printed to indicate
if the address in that entry was allocated dynamically or
is a static entry in the device tree.

Change-Id: Idd41acac9f15bec68d5692fe85175b42a1e90431
Signed-off-by: default avatarNikhilesh Reddy <reddyn@codeaurora.org>
parent d81481d4

drivers/uio/msm_sharedmem/msm_sharedmem.c

+3 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ static int msm_sharedmem_probe(struct platform_device *pdev) 
	u32 shared_mem_size = 0;

	void *shared_mem = NULL;

	phys_addr_t shared_mem_pyhsical = 0;

	bool is_addr_dynamic = false;

	struct sharemem_qmi_entry qmi_entry;



	/* Get the addresses from platform-data */
@@ -66,6 +67,7 @@ static int msm_sharedmem_probe(struct platform_device *pdev) 
	}



	if (shared_mem_pyhsical == 0) {

		is_addr_dynamic = true;

		shared_mem = dma_alloc_coherent(&pdev->dev, shared_mem_size,

					&shared_mem_pyhsical, GFP_KERNEL);

		if (shared_mem == NULL) {
@@ -93,6 +95,7 @@ static int msm_sharedmem_probe(struct platform_device *pdev) 
	qmi_entry.client_name = info->name;

	qmi_entry.address = info->mem[0].addr;

	qmi_entry.size = info->mem[0].size;

	qmi_entry.is_addr_dynamic = is_addr_dynamic;



	sharedmem_qmi_add_entry(&qmi_entry);

	pr_info("Device created for client '%s'\n", clnt_res->name);

drivers/uio/msm_sharedmem/sharedmem_qmi.c

+6 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ struct shared_addr_entry { 
	u64 address;

	u32 size;

	u64 request_count;

	bool is_addr_dynamic;

	char name[SHARED_ADDR_ENTRY_NAME_MAX_LEN + 1];

};
@@ -85,6 +86,7 @@ void sharedmem_qmi_add_entry(struct sharemem_qmi_entry *qmi_entry) 
	list_entry->entry.id = qmi_entry->client_id;

	list_entry->entry.address = qmi_entry->address;

	list_entry->entry.size = qmi_entry->size;

	list_entry->entry.is_addr_dynamic = qmi_entry->is_addr_dynamic;

	list_entry->entry.request_count = 0;



	down_write(&sharedmem_list_lock);
@@ -245,6 +247,10 @@ static u32 fill_debug_info(char *buffer, u32 buffer_size) 
		size += scnprintf(buffer + size, buffer_size - size,

				"Address: 0x%016llX\n",

				list_entry->entry.address);

		size += scnprintf(buffer + size, buffer_size - size,

				"Address Allocation: %s\n",

				(list_entry->entry.is_addr_dynamic ?

				"Dynamic" : "Static"));

		size += scnprintf(buffer + size, buffer_size - size,

				"Request count: %llu\n",

				list_entry->entry.request_count);

drivers/uio/msm_sharedmem/sharedmem_qmi.h

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ struct sharemem_qmi_entry { 
	u32 client_id;

	u64 address;

	u32 size;

	bool is_addr_dynamic;

};



int sharedmem_qmi_init(void);