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[U-Boot,v7,07/15] net: macb: Fix GEM hardware detection

Message ID 20190211054030.21393-8-anup.patel@wdc.com
State Superseded
Delegated to: Andes
Headers show
Series SiFive FU540 Support | expand

Commit Message

Anup Patel Feb. 11, 2019, 5:42 a.m. UTC 
From: Atish Patra <atish.patra@wdc.com>

Fix MID bit field check to correctly identify all GEM hardwares.

The check is updated as per macb driver in Linux location:
<linux_sources>/drivers/net/ethernet/cadence/macb_main.c:259

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
 drivers/net/macb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 0254e211e6..182331f61d 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -143,7 +143,7 @@  struct macb_device {
 
 static int macb_is_gem(struct macb_device *macb)
 {
-	return MACB_BFEXT(IDNUM, macb_readl(macb, MID)) == 0x2;
+	return MACB_BFEXT(IDNUM, macb_readl(macb, MID)) >= 0x2;
 }
 
 #ifndef cpu_is_sama5d2