From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/soc/ux500/ux500-soc-id.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/soc/ux500/ux500-soc-id.c b/kernel/drivers/soc/ux500/ux500-soc-id.c
index a9472e0..27d6e25 100644
--- a/kernel/drivers/soc/ux500/ux500-soc-id.c
+++ b/kernel/drivers/soc/ux500/ux500-soc-id.c
@@ -167,20 +167,18 @@
static const char *db8500_read_soc_id(struct device_node *backupram)
{
void __iomem *base;
- void __iomem *uid;
const char *retstr;
+ u32 uid[5];
base = of_iomap(backupram, 0);
if (!base)
return NULL;
- uid = base + 0x1fc0;
+ memcpy_fromio(uid, base + 0x1fc0, sizeof(uid));
/* Throw these device-specific numbers into the entropy pool */
- add_device_randomness(uid, 0x14);
+ add_device_randomness(uid, sizeof(uid));
retstr = kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x",
- readl((u32 *)uid+0),
- readl((u32 *)uid+1), readl((u32 *)uid+2),
- readl((u32 *)uid+3), readl((u32 *)uid+4));
+ uid[0], uid[1], uid[2], uid[3], uid[4]);
iounmap(base);
return retstr;
}
--
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