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miiphy: miiphyutil.c: fix compile warning

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Fix warning introduced while recent PHY Lib changes:

miiphyutil.c: In function 'miiphy_read':
miiphyutil.c:304: warning: comparison is always false due to limited range of data type

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Anatolij Gustschin 2011-04-30 02:17:44 +00:00 committed by Wolfgang Denk
parent aeabdeb7a3
commit d67d5d529a
1 changed files with 8 additions and 4 deletions
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12
common/miiphyutil.c
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@ -294,14 +294,18 @@ int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
unsigned short *value) unsigned short *value)
{ {
struct mii_dev *bus; struct mii_dev *bus;
int ret;
bus = miiphy_get_active_dev(devname); bus = miiphy_get_active_dev(devname);
if (bus) if (!bus)
*value = bus->read(bus, addr, MDIO_DEVAD_NONE, reg);
else
return 1; return 1;
return (*value < 0) ? 1 : 0; ret = bus->read(bus, addr, MDIO_DEVAD_NONE, reg);
if (ret < 0)
return 1;
*value = (unsigned short)ret;
return 0;
} }
/***************************************************************************** /*****************************************************************************