Merge "msm: ipa: fix IPC low priority logging" (373476f5) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/platform/msm/ipa/ipa_v2/ipa_debugfs.c

+9 −11

Original line number	Diff line number	Diff line
		@@ -132,6 +132,7 @@ static struct dentry *dfile_ipa_poll_iteration;
		static char dbg_buff[IPA_MAX_MSG_LEN];
		static char *active_clients_buf;
		static s8 ep_reg_idx;
		static void *ipa_ipc_low_buff;

		int _ipa_read_gen_reg_v1_1(char *buff, int max_len)
		{
		@@ -1834,23 +1835,20 @@ static ssize_t ipa_enable_ipc_low(struct file *file,
		if (kstrtos8(dbg_buff, 0, &option))
		return -EFAULT;

		mutex_lock(&ipa_ctx->lock);
		if (option) {
		if (!ipa_ctx->logbuf_low) {
		ipa_ctx->logbuf_low =
		if (!ipa_ipc_low_buff) {
		ipa_ipc_low_buff =
		ipc_log_context_create(IPA_IPC_LOG_PAGES,
		"ipa_low", 0);
		}

		if (ipa_ctx->logbuf_low == NULL) {
		if (ipa_ipc_low_buff == NULL)
		IPAERR("failed to get logbuf_low\n");
		return -EFAULT;
		}

		ipa_ctx->logbuf_low = ipa_ipc_low_buff;
		} else {
		if (ipa_ctx->logbuf_low)
		ipc_log_context_destroy(ipa_ctx->logbuf_low);
		ipa_ctx->logbuf_low = NULL;
		}
		mutex_unlock(&ipa_ctx->lock);

		return count;
		}