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net: macb: Fix GEM hardware detection

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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>
This commit is contained in:
Atish Patra 2019-02-25 08:14:42 +00:00 committed by Andes
parent 2e242f5f43
commit fbcaa260e5
1 changed files with 1 additions and 1 deletions
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2
drivers/net/macb.c
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@ -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