[U-Boot] [RESEND PATCH] net: phy: Reloc next and prev pointers inside phy_drivers
Michal Simek
michal.simek at xilinx.com
Mon Mar 4 15:01:30 UTC 2019
From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
This patch relocates the pointers inside phy_drivers incase
of manual reloc. Without this reloc, these points to invalid
pre relocation address and hence causes exception or hang.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
Joe asked for it.
---
drivers/net/phy/phy.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index ed4000991165..e0a925152e8b 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -462,6 +462,18 @@ static LIST_HEAD(phy_drivers);
int phy_init(void)
{
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+ /*
+ * The pointers inside phy_drivers also needs to be updated incase of
+ * manual reloc, without which these points to some invalid
+ * pre reloc address and leads to invalid accesses, hangs.
+ */
+ struct list_head *head = &phy_drivers;
+
+ head->next = (void *)head->next + gd->reloc_off;
+ head->prev = (void *)head->prev + gd->reloc_off;
+#endif
+
#ifdef CONFIG_B53_SWITCH
phy_b53_init();
#endif
--
1.9.1
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