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Subject[PATCH 5/5] Revert "mfd: Detach twl6040 from the pmic mfd driver"
Date
This reverts commit 49976f5f8ec350ee0e1191237bb06325840ae5d9.

Reverting changes regarding to twl6040 in MFD tree since the patches will go
via the audio tree.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/mfd/twl-core.c | 58 ++++++++++++++++++++---------------------------
1 files changed, 25 insertions(+), 33 deletions(-)

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 6c236d0..c1e4f1a 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -115,8 +115,8 @@
#define twl_has_watchdog() false
#endif

-#if defined(CONFIG_MFD_TWL4030_AUDIO) || \
- defined(CONFIG_MFD_TWL4030_AUDIO_MODULE)
+#if defined(CONFIG_MFD_TWL4030_AUDIO) || defined(CONFIG_MFD_TWL4030_AUDIO_MODULE) ||\
+ defined(CONFIG_TWL6040_CORE) || defined(CONFIG_TWL6040_CORE_MODULE)
#define twl_has_codec() true
#else
#define twl_has_codec() false
@@ -146,7 +146,6 @@
#define SUB_CHIP_ID1 1
#define SUB_CHIP_ID2 2
#define SUB_CHIP_ID3 3
-#define SUB_CHIP_ID_INVAL 0xff

#define TWL_MODULE_LAST TWL4030_MODULE_LAST

@@ -318,7 +317,7 @@ static struct twl_mapping twl6030_map[] = {
* so they continue to match the order in this table.
*/
{ SUB_CHIP_ID1, TWL6030_BASEADD_USB },
- { SUB_CHIP_ID_INVAL, TWL6030_BASEADD_AUDIO },
+ { SUB_CHIP_ID3, TWL6030_BASEADD_AUDIO },
{ SUB_CHIP_ID2, TWL6030_BASEADD_DIEID },
{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
{ SUB_CHIP_ID1, TWL6030_BASEADD_PIH },
@@ -380,11 +379,6 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
return -EPERM;
}
sid = twl_map[mod_no].sid;
- if (unlikely(sid == SUB_CHIP_ID_INVAL)) {
- pr_err("%s: module %d is not part of the pmic\n",
- DRIVER_NAME, mod_no);
- return -EINVAL;
- }
twl = &twl_modules[sid];

mutex_lock(&twl->xfer_lock);
@@ -442,11 +436,6 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
return -EPERM;
}
sid = twl_map[mod_no].sid;
- if (unlikely(sid == SUB_CHIP_ID_INVAL)) {
- pr_err("%s: module %d is not part of the pmic\n",
- DRIVER_NAME, mod_no);
- return -EINVAL;
- }
twl = &twl_modules[sid];

mutex_lock(&twl->xfer_lock);
@@ -847,6 +836,15 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}

+ if (twl_has_codec() && pdata->audio && twl_class_is_6030()) {
+ sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid;
+ child = add_child(sub_chip_id, "twl6040",
+ pdata->audio, sizeof(*pdata->audio),
+ false, 0, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
/* twl4030 regulators */
if (twl_has_regulator() && twl_class_is_4030()) {
child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1,
@@ -1167,21 +1165,18 @@ int twl6030_exit_irq(void);

static int twl_remove(struct i2c_client *client)
{
- unsigned i, num_slaves;
+ unsigned i;
int status;

- if (twl_class_is_4030()) {
+ if (twl_class_is_4030())
status = twl4030_exit_irq();
- num_slaves = TWL_NUM_SLAVES;
- } else {
+ else
status = twl6030_exit_irq();
- num_slaves = TWL_NUM_SLAVES - 1;
- }

if (status < 0)
return status;

- for (i = 0; i < num_slaves; i++) {
+ for (i = 0; i < TWL_NUM_SLAVES; i++) {
struct twl_client *twl = &twl_modules[i];

if (twl->client && twl->client != client)
@@ -1197,7 +1192,7 @@ static int __devinit
twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
int status;
- unsigned i, num_slaves;
+ unsigned i;
struct twl4030_platform_data *pdata = client->dev.platform_data;
struct device_node *node = client->dev.of_node;
u8 temp;
@@ -1251,17 +1246,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
return -EBUSY;
}

- if ((id->driver_data) & TWL6030_CLASS) {
- twl_id = TWL6030_CLASS_ID;
- twl_map = &twl6030_map[0];
- num_slaves = TWL_NUM_SLAVES - 1;
- } else {
- twl_id = TWL4030_CLASS_ID;
- twl_map = &twl4030_map[0];
- num_slaves = TWL_NUM_SLAVES;
- }
-
- for (i = 0; i < num_slaves; i++) {
+ for (i = 0; i < TWL_NUM_SLAVES; i++) {
struct twl_client *twl = &twl_modules[i];

twl->address = client->addr + i;
@@ -1280,6 +1265,13 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
mutex_init(&twl->xfer_lock);
}
inuse = true;
+ if ((id->driver_data) & TWL6030_CLASS) {
+ twl_id = TWL6030_CLASS_ID;
+ twl_map = &twl6030_map[0];
+ } else {
+ twl_id = TWL4030_CLASS_ID;
+ twl_map = &twl4030_map[0];
+ }

/* setup clock framework */
clocks_init(&client->dev, pdata->clock);
--
1.7.8.5


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