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Improve register dump. This is a backport from Linux 2.6.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3143 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2005-10-29 21:47:49 +00:00
1 parent 5aba57a4a9
commit 8abc37faf1
1 file changed
+28 -8
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kernel/busses/i2c-viapro.c
+28 -8
View File
@@ -103,6 +103,32 @@ static struct i2c_adapter vt596_adapter;
#define FEATURE_I2CBLOCK (1<<0)
static unsigned int vt596_features;
#ifdef DEBUG
static void vt596_dump_regs(const char *msg, u8 size)
{
dev_dbg(&vt596_adapter, "%s: STS=%02x CNT=%02x CMD=%02x ADD=%02x "
"DAT=%02x,%02x\n", msg, inb_p(SMBHSTSTS), inb_p(SMBHSTCNT),
inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
inb_p(SMBHSTDAT1));
if (size == VT596_BLOCK_DATA
|| size == VT596_I2C_BLOCK_DATA) {
int i;
dev_dbg(&vt596_adapter, "BLK=");
for (i = 0; i < I2C_SMBUS_BLOCK_MAX / 2; i++)
printk("%02x,", inb_p(SMBBLKDAT));
printk("\n");
dev_dbg(&vt596_adapter, " ");
for (; i < I2C_SMBUS_BLOCK_MAX - 1; i++)
printk("%02x,", inb_p(SMBBLKDAT));
printk("%02x\n", inb_p(SMBBLKDAT));
}
}
#else
static inline void vt596_dump_regs(const char *msg, u8 size) { }
#endif
/* Return -1 on error, 0 on success */
static int vt596_transaction(u8 size)
{
@@ -110,10 +136,7 @@ static int vt596_transaction(u8 size)
int result = 0;
int timeout = 0;
dev_dbg(&vt596_adapter, "Transaction (pre): CNT=%02x, CMD=%02x, "
"ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
inb_p(SMBHSTDAT1));
vt596_dump_regs("Transaction (pre)", size);
/* Make sure the SMBus host is ready to start transmitting */
if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
@@ -169,10 +192,7 @@ static int vt596_transaction(u8 size)
if (temp & 0x1F)
outb_p(temp, SMBHSTSTS);
dev_dbg(&vt596_adapter, "Transaction (post): CNT=%02x, CMD=%02x, "
"ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
inb_p(SMBHSTDAT1));
vt596_dump_regs("Transaction (post)", size);
return result;
}