Re: [PATCH V2 11/16] ata: Use 32-bit DMA in AHCI for Loongson-3.

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On 06/19/2012 02:50 AM, Huacai Chen wrote:
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ebaf67e..3e3cfd8 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -183,7 +183,12 @@ static const struct ata_port_info ahci_port_info[] = {
  	},
  	[board_ahci_sb700] =	/* for SB700 and SB800 */
  	{
+#ifndef CONFIG_CPU_LOONGSON3
  		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL),
+#else
+		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL |
+						AHCI_HFLAG_32BIT_ONLY),
+#endif
  		.flags		= AHCI_FLAG_COMMON,


NAK -- the place to fix this up is ahci_init_one()

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