>Sent: Wednesday, October 15, 2008 11:24 PM
>To: [email protected]
>Subject: [patch FYI] twl4030 dumps revision info
>
>
>---
> drivers/mfd/twl4030-core.c | 62 +++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 62 insertions(+)
>
>+};
>+
>+static u32 twl_id(struct device *dev)
>+{
>+ const u32 mask = ((1 << 16) - 1) << 12;
>+ union { u8 bytes[4]; u32 word; } idcode;
>+ int status;
>+ u8 nibble;
>+ char *chip;
>+ const struct es_desc *desc;
>+
>+ status = twl4030_i2c_read(TWL4030_MODULE_INTBR,
>+ idcode.bytes, 0, 4);
>+ if (status < 0)
>+ return 0;
>+
>+ idcode.word = le32_to_cpu(idcode.word),
End of line should be ;
Hope you are not using , operator :-)
>+ nibble = idcode.word >> 28;
>+
>+ /* NOTE: TWL5030 / TPS65930 ES1.0 mis-identifies as TWL4030 */
>+
>+ if ((idcode.word & mask) == (0x0009002F & mask)) {
>+ chip = "TWL4030";
>+ desc = twl4030_es;
>+ } else if ((idcode.word & mask) == (0x0009802F & mask)) {
>+ chip = "TWL5030";
>+ desc = twl5030_es;
>+ } else {
>+ chip = "unrecognized";
>+ desc = NULL;
>+ }
>+
>+ while (desc && desc->name[0]) {
>+ if (desc->nibble == nibble) {
>+ dev_info(dev, "%s ES %s; idcode %08x\n",
>+ chip, desc->name, idcode.word);
>+ return idcode.word;
>+ }
>+ desc++;
>+ }
>+ dev_info(dev, "%s; idcode %08x\n", chip, idcode.word);
>+ return idcode.word;
>+}
>+
> /* NOTE: this driver only handles a single twl4030/tps659x0 chip */
> static int
> twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
>@@ -795,6 +855,8 @@ twl4030_probe(struct i2c_client *client,
>
> if(0)dumpit();
>
>+ twl_id(&client->dev);
>+
> /* setup clock framework */
> clocks_init();
>
>--
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