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Commit 56293e7f authored by Zhen Kong's avatar Zhen Kong Committed by Gerrit - the friendly Code Review server
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qseecom: change to use QSECOM_TA heap to load TA 



Make change to use new QSECOM_TA heap to load TA, and
retry when ion allocation is failed.

Change-Id: I26343185cd30276a57d6e7711f13ee95816bf6a6
Signed-off-by: default avatarZhen Kong <zkong@codeaurora.org>
parent 2e6001c5

drivers/misc/qseecom.c

+8 −2
Original line number Diff line number Diff line
@@ -4119,9 +4119,15 @@ static int __qseecom_allocate_img_data(struct ion_handle **pihandle, 
	ion_phys_addr_t pa;

	struct ion_handle *ihandle = NULL;

	u8 *img_data = NULL;

	int retry = 0;



	do {

		if (retry++)

			msleep(QSEECOM_TA_ION_ALLOCATE_DELAY);

		ihandle = ion_alloc(qseecom.ion_clnt, fw_size,

			SZ_4K, ION_HEAP(ION_QSECOM_HEAP_ID), 0);

			SZ_4K, ION_HEAP(ION_QSECOM_TA_HEAP_ID), 0);

	} while (IS_ERR_OR_NULL(ihandle) &&

			(retry <= QSEECOM_TA_ION_ALLOCATE_MAX_ATTEMP));



	if (IS_ERR_OR_NULL(ihandle)) {

		pr_err("ION alloc failed\n");

include/uapi/linux/qseecom.h

+5 −0
Original line number Diff line number Diff line
@@ -7,6 +7,11 @@ 
#define MAX_ION_FD  4

#define MAX_APP_NAME_SIZE  64

#define QSEECOM_HASH_SIZE  32



/* qseecom_ta_heap allocation retry delay (ms) and max attemp count */

#define QSEECOM_TA_ION_ALLOCATE_DELAY           50

#define QSEECOM_TA_ION_ALLOCATE_MAX_ATTEMP      20



/*

 * struct qseecom_register_listener_req -

 *      for register listener ioctl request