From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/arch/arm/mach-exynos/firmware.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/arm/mach-exynos/firmware.c b/kernel/arch/arm/mach-exynos/firmware.c
index fbe1db6..2eaf2db 100644
--- a/kernel/arch/arm/mach-exynos/firmware.c
+++ b/kernel/arch/arm/mach-exynos/firmware.c
@@ -185,7 +185,7 @@
exynos_smc(SMC_CMD_L2X0SETUP2, regs->pwr_ctrl, regs->aux_ctrl, 0);
}
-void __init exynos_firmware_init(void)
+bool __init exynos_secure_firmware_available(void)
{
struct device_node *nd;
const __be32 *addr;
@@ -193,15 +193,23 @@
nd = of_find_compatible_node(NULL, NULL,
"samsung,secure-firmware");
if (!nd)
- return;
+ return false;
addr = of_get_address(nd, 0, NULL, NULL);
of_node_put(nd);
if (!addr) {
pr_err("%s: No address specified.\n", __func__);
- return;
+ return false;
}
+ return true;
+}
+
+void __init exynos_firmware_init(void)
+{
+ if (!exynos_secure_firmware_available())
+ return;
+
pr_info("Running under secure firmware.\n");
register_firmware_ops(&exynos_firmware_ops);
--
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