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Commit 47735cf3 authored by AnilKumar Chimata's avatar AnilKumar Chimata
Browse files

firmware: qcom: Fix hyp_log issue 



While reading the hyp logs few garbage characters were seen
due to invalid len computed. This patch fixes the issue by
properly computing the len.

Change-Id: I2e2f23d069ee45b0c57a7b673248b63eedaf7697
Signed-off-by: default avatarAnilKumar Chimata <anilc@codeaurora.org>
parent 7cc4faa2

drivers/firmware/qcom/tz_log.c

+4 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.

 */

#include <linux/debugfs.h>

#include <linux/errno.h>
@@ -724,12 +724,14 @@ static int _disp_hyp_log_stats(size_t count) 
{

	static struct hypdbg_log_pos_t log_start = {0};

	uint8_t *log_ptr;

	uint32_t log_len;



	log_ptr = (uint8_t *)((unsigned char *)tzdbg.hyp_diag_buf +

				tzdbg.hyp_diag_buf->ring_off);

	log_len = tzdbg.hyp_debug_rw_buf_size - tzdbg.hyp_diag_buf->ring_off;



	return __disp_hyp_log_stats(log_ptr, &log_start,

			tzdbg.hyp_debug_rw_buf_size, count, TZDBG_HYP_LOG);

			log_len, count, TZDBG_HYP_LOG);

}



static int _disp_qsee_log_stats(size_t count)