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MIPS: Netlogic: Fix cop0 prid check in AHCI init 

PRID register should be masked with IMP_MASK to get processor ID.

Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8883/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ganesan Ramalingam 2015-01-07 16:58:24 +05:30 committed by Ralf Baechle
parent 8db23f7df6
commit 9bbc6c7d35
1 changed files with 1 additions and 1 deletions
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2
arch/mips/netlogic/xlp/ahci-init.c
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@ -151,7 +151,7 @@ static void nlm_sata_firmware_init(int node)
static int __init nlm_ahci_init(void) static int __init nlm_ahci_init(void)
{ {
int node = 0; int node = 0;
int chip = read_c0_prid() & PRID_REV_MASK; int chip = read_c0_prid() & PRID_IMP_MASK;
if (chip == PRID_IMP_NETLOGIC_XLP3XX) if (chip == PRID_IMP_NETLOGIC_XLP3XX)
nlm_sata_firmware_init(node); nlm_sata_firmware_init(node);