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dwc_ahsata: return failure for MX6 if not IMX6Q/IMX6D 

The IMX6QUAD/DUAL have SATA, but the IMX6SOLO/DL do not. Return failure
instead of attempting a memory access that results in a data abort and reset.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2014-05-07 22:23:35 -07:00 committed by Stefano Babic
parent 0cc11dea89
commit ca84d72d1c
1 changed files with 5 additions and 0 deletions
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5
drivers/block/dwc_ahsata.c
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@ -17,6 +17,7 @@
#include <asm/io.h>
#include <linux/bitops.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include "dwc_ahsata.h"
struct sata_port_regs {
@ -558,6 +559,10 @@ int init_sata(int dev)
u32 linkmap;
struct ahci_probe_ent *probe_ent = NULL;
#if defined(CONFIG_MX6)
if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D))
return 1;
#endif
if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
printf("The sata index %d is out of ranges\n\r", dev);
return -1;