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Commit 9f4d3e23 authored by Laura Abbott's avatar Laura Abbott Committed by Divya Sharma
Browse files

qcom: Update early random APIs to scmv8 



The scm APIs need an update for v8. Update accordingly.

Change-Id: Ia848af5bafe2337718fffdd87cd6436eb0133ece
Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
parent 567dff53

drivers/soc/qcom/early_random.c

+14 −4
Original line number Diff line number Diff line
@@ -36,14 +36,24 @@ void __init init_random_pool(void) 
	struct tz_prng_data data;

	int ret;

	u32 resp;

	struct scm_desc desc;



	data.out_buf = (uint8_t *) virt_to_phys(random_buffer);

	data.out_buf_sz = SZ_512;

	desc.args[0] = (unsigned long) data.out_buf;

	desc.args[1] = data.out_buf_sz = SZ_512;

	desc.arginfo = SCM_ARGS(2, SCM_RW, SCM_VAL);



	dmac_flush_range(random_buffer, random_buffer + RANDOM_BUFFER_SIZE);



	if (!is_scm_armv8())

		ret = scm_call_noalloc(TZ_SVC_CRYPTO, PRNG_CMD_ID, &data,

				sizeof(data), &resp, sizeof(resp),

			common_scm_buf, SCM_BUFFER_SIZE(common_scm_buf));

				common_scm_buf,

				SCM_BUFFER_SIZE(common_scm_buf));

	else

		ret = scm_call2(SCM_SIP_FNID(TZ_SVC_CRYPTO, PRNG_CMD_ID),

					&desc);



	if (!ret) {

		dmac_inv_range(random_buffer, random_buffer +

						RANDOM_BUFFER_SIZE);