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ARM: soc: general cleanups

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This is a large branch that contains a handful of different cleanups:
 
 - Fixing up the I/O space remapping on PCI on ARM. This is a series
   from Rob Herring that restructures how all pci devices allocate I/O
   space, and it's part of the work to allow multiplatform kernels.
 - A number of cleanup series for OMAP, moving and removing some
   headers, sparse irq rework and in general preparation for
   multiplatform.
 - Final removal of all non-DT boards for Tegra, it is now
   device-tree-only!
 - Removal of a stale platform, nxp4008. It's an old mobile chipset
   that is no longer in use, and was very likely never really used with
   a mainline kernel. We have not been able to find anyone interested
   in keeping it around in the kernel.
 - Removal of the legacy dmaengine driver on tegra
 
 + A handful of other things that I haven't described above.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc general cleanups from Olof Johansson:
 "This is a large branch that contains a handful of different cleanups:

   - Fixing up the I/O space remapping on PCI on ARM.  This is a series
     from Rob Herring that restructures how all pci devices allocate I/O
     space, and it's part of the work to allow multiplatform kernels.
   - A number of cleanup series for OMAP, moving and removing some
     headers, sparse irq rework and in general preparation for
     multiplatform.
   - Final removal of all non-DT boards for Tegra, it is now
     device-tree-only!
   - Removal of a stale platform, nxp4008.  It's an old mobile chipset
     that is no longer in use, and was very likely never really used
     with a mainline kernel.  We have not been able to find anyone
     interested in keeping it around in the kernel.
   - Removal of the legacy dmaengine driver on tegra

  + A handful of other things that I haven't described above."

Fix up some conflicts with the staging tree (and because nxp4008 was
removed)

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits)
  ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6
  ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus
  ARM: mmp: using for_each_set_bit to simplify the code
  ARM: tegra: harmony: fix ldo7 regulator-name
  ARM: OMAP2+: Make omap4-keypad.h local
  ARM: OMAP2+: Make l4_3xxx.h local
  ARM: OMAP2+: Make l4_2xxx.h local
  ARM: OMAP2+: Make l3_3xxx.h local
  ARM: OMAP2+: Make l3_2xxx.h local
  ARM: OMAP1: Move irda.h from plat to mach
  ARM: OMAP2+: Make hdq1w.h local
  ARM: OMAP2+: Make gpmc-smsc911x.h local
  ARM: OMAP2+: Make gpmc-smc91x.h local
  ARM: OMAP1: Move flash.h from plat to mach
  ARM: OMAP2+: Make debug-devices.h local
  ARM: OMAP1: Move board-voiceblue.h from plat to mach
  ARM: OMAP1: Move board-sx1.h from plat to mach
  ARM: OMAP2+: Make omap-wakeupgen.h local
  ARM: OMAP2+: Make omap-secure.h local
  ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
  ...
This commit is contained in:
Linus Torvalds 2012-10-01 18:19:05 -07:00
commit 61464c8357
623 changed files with 4618 additions and 15490 deletions
Download patch file Download diff file Expand all files Collapse all files

54
drivers/mfd/twl-core.c
View file

@ -1132,12 +1132,7 @@ static void clocks_init(struct device *dev,
u32 rate;
u8 ctrl = HFCLK_FREQ_26_MHZ;
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
if (cpu_is_omap2430())
osc = clk_get(dev, "osc_ck");
else
osc = clk_get(dev, "osc_sys_ck");
osc = clk_get(dev, "fck");
if (IS_ERR(osc)) {
printk(KERN_WARNING "Skipping twl internal clock init and "
"using bootloader value (unknown osc rate)\n");
@ -1147,18 +1142,6 @@ static void clocks_init(struct device *dev,
rate = clk_get_rate(osc);
clk_put(osc);
#else
/* REVISIT for non-OMAP systems, pass the clock rate from
* board init code, using platform_data.
*/
osc = ERR_PTR(-EIO);
printk(KERN_WARNING "Skipping twl internal clock init and "
"using bootloader value (unknown osc rate)\n");
return;
#endif
switch (rate) {
case 19200000:
ctrl = HFCLK_FREQ_19p2_MHZ;
@ -1220,10 +1203,23 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct twl4030_platform_data *pdata = client->dev.platform_data;
struct device_node *node = client->dev.of_node;
struct platform_device *pdev;
int irq_base = 0;
int status;
unsigned i, num_slaves;
pdev = platform_device_alloc(DRIVER_NAME, -1);
if (!pdev) {
dev_err(&client->dev, "can't alloc pdev\n");
return -ENOMEM;
}
status = platform_device_add(pdev);
if (status) {
platform_device_put(pdev);
return status;
}
if (node && !pdata) {
/*
* XXX: Temporary pdata until the information is correctly
@ -1232,23 +1228,30 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
pdata = devm_kzalloc(&client->dev,
sizeof(struct twl4030_platform_data),
GFP_KERNEL);
if (!pdata)
return -ENOMEM;
if (!pdata) {
status = -ENOMEM;
goto free;
}
}
if (!pdata) {
dev_dbg(&client->dev, "no platform data?\n");
return -EINVAL;
status = -EINVAL;
goto free;
}
platform_set_drvdata(pdev, pdata);
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
dev_dbg(&client->dev, "can't talk I2C?\n");
return -EIO;
status = -EIO;
goto free;
}
if (inuse) {
dev_dbg(&client->dev, "driver is already in use\n");
return -EBUSY;
status = -EBUSY;
goto free;
}
if ((id->driver_data) & TWL6030_CLASS) {
@ -1283,7 +1286,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
inuse = true;
/* setup clock framework */
clocks_init(&client->dev, pdata->clock);
clocks_init(&pdev->dev, pdata->clock);
/* read TWL IDCODE Register */
if (twl_id == TWL4030_CLASS_ID) {
@ -1333,6 +1336,9 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
fail:
if (status < 0)
twl_remove(client);
free:
if (status < 0)
platform_device_unregister(pdev);
return status;
}