linux-toradex.git/drivers/mfd/ab8500-core.c, branch v4.9.123

mfd: db8500 stop passing around platform data

2016-07-12T09:23:58+00:00

Except for the constant DB8500_PRCMU_FW_VERSION_OFFSET number, nothing
is ever passed through the platform data and used in a driver, so we
can simply stop passing it around.

Acked-by: Lee Jones 
Signed-off-by: Arnd Bergmann 
Signed-off-by: Linus Walleij

mfd: ab8500-core: Fix many warnings reported by Checkpatch

2016-01-14T08:43:54+00:00

WARNING: Block comments use a trailing */ on a separate line
+        * */

WARNING: Block comments use a trailing */ on a separate line
+        * bank on higher 8 bits and reg in lower */

WARNING: Block comments use a trailing */ on a separate line
+        * bank on higher 8 bits and reg in lower */

WARNING: suspect code indent for conditional statements (8, 24)
+       if (unlikely(*offset == 17))
+                       *offset = 24;

WARNING: suspect code indent for conditional statements (8, 24)
+       if (unlikely(*offset == 16))
+                       *offset = 25;

WARNING: suspect code indent for conditional statements (8, 24)
+       if ((i == 3) && (*offset >= 24))
+                       *offset += 2;

WARNING: ENOSYS means 'invalid syscall nr' and nothing else
+               return -ENOSYS;

WARNING: static const char * array should probably be static const char * const
+       static const char *switch_off_status[] = {

WARNING: static const char * array should probably be static const char * const
+       static const char *turn_on_status[] = {

total: 0 errors, 9 warnings, 1867 lines checked

Cc: Linus Walleij 
Signed-off-by: Lee Jones

mfd: ab8500: Delete static IRQ resources

2015-12-04T08:46:17+00:00

The platforms that use the AB8500 define all IRQ resources in the
device tree and they are automatically populated by matching
the .of_compatible string. These static resources are just
surplus baggage these days.

Signed-off-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: Kill off set_irq_flags usage

2015-08-11T14:09:01+00:00

set_irq_flags is ARM specific with custom flags which have genirq
equivalents. Convert drivers to use the genirq interfaces directly, so we
can kill off set_irq_flags. The translation of flags is as follows:

IRQF_VALID -> !IRQ_NOREQUEST
IRQF_PROBE -> !IRQ_NOPROBE
IRQF_NOAUTOEN -> IRQ_NOAUTOEN

For IRQs managed by an irqdomain, the irqdomain core code handles clearing
and setting IRQ_NOREQUEST already, so there is no need to do this in
.map() functions and we can simply remove the set_irq_flags calls. Some
users also modify IRQ_NOPROBE and this has been maintained although it
is not clear that is really needed. There appears to be a great deal of
blind copy and paste of this code.

Signed-off-by: Rob Herring 
Acked-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: Constify regmap and irq configuration data

2015-06-22T11:25:01+00:00

Constify in various drivers configuration data which is not modified:
 - regmap_irq_chip,
 - individual regmap_irq's in array,
 - regmap_config,
 - irq_domain_ops,

Signed-off-by: Krzysztof Kozlowski 
Signed-off-by: Lee Jones

mfd: drop owner assignment from platform_drivers

2014-10-20T14:20:53+00:00

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang

mfd: ab8500-core: Use 'ifdef' for config options

2014-08-20T12:28:02+00:00

The config symbol 'CONFIG_DEBUG_FS' should be protected by a 'ifdef' instead
of a plain 'if'.

Signed-off-by: Fabio Estevam 
Signed-off-by: Lee Jones

mfd: ab8500-core: Resolve code style issues

2014-07-09T15:38:12+00:00

Soothes the following checkpatch warnings:

    WARNING: line over 80 characters
    #151: FILE: drivers/mfd/ab8500-core.c:151:
    +	0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23,

    ERROR: spaces required around that '=' (ctx:VxW)
    #325: FILE: drivers/mfd/ab8500-core.c:325:
    +	ret= mask_and_set_register_interruptible(ab8500, bank, reg,
     	   ^

    WARNING: line over 80 characters
    #418: FILE: drivers/mfd/ab8500-core.c:418:
    +		else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)

    WARNING: line over 80 characters
    #420: FILE: drivers/mfd/ab8500-core.c:420:
    +		else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)

    ERROR: spaces required around that '==' (ctx:VxV)
    #454: FILE: drivers/mfd/ab8500-core.c:454:
    +	if ((i==3) && (*offset >= 24))
     	      ^

    ERROR: code indent should use tabs where possible
    #576: FILE: drivers/mfd/ab8500-core.c:576:
    +        .map    = ab8500_irq_map,$

    WARNING: please, no spaces at the start of a line
    #576: FILE: drivers/mfd/ab8500-core.c:576:
    +        .map    = ab8500_irq_map,$

    ERROR: code indent should use tabs where possible
    #577: FILE: drivers/mfd/ab8500-core.c:577:
    +        .xlate  = irq_domain_xlate_twocell,$

    WARNING: please, no spaces at the start of a line
    #577: FILE: drivers/mfd/ab8500-core.c:577:
    +        .xlate  = irq_domain_xlate_twocell,$

    WARNING: char * array declaration might be better as static const
    #1554: FILE: drivers/mfd/ab8500-core.c:1554:
    +	static char *switch_off_status[] = {

    WARNING: char * array declaration might be better as static const
    #1563: FILE: drivers/mfd/ab8500-core.c:1563:
    +	static char *turn_on_status[] = {

    WARNING: sizeof *ab8500 should be sizeof(*ab8500)
    #1582: FILE: drivers/mfd/ab8500-core.c:1582:
    +	ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);

    ERROR: space required after that close brace '}'
    #1639: FILE: drivers/mfd/ab8500-core.c:1639:
    +	}/* Configure AB8500 or AB9540 IRQ */

    WARNING: line over 80 characters
    #1652: FILE: drivers/mfd/ab8500-core.c:1652:
    +	ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);

    WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(...  to printk(KERN_CONT ...
    #1677: FILE: drivers/mfd/ab8500-core.c:1677:
    +				printk(KERN_CONT " \"%s\"",

    WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(...  to printk(KERN_CONT ...
    #1682: FILE: drivers/mfd/ab8500-core.c:1682:
    +		printk(KERN_CONT "\n");

    WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(...  to printk(KERN_CONT ...
    #1684: FILE: drivers/mfd/ab8500-core.c:1684:
    +		printk(KERN_CONT " None\n");

    WARNING: printk() should include KERN_ facility level
    #1695: FILE: drivers/mfd/ab8500-core.c:1695:
    +				printk("\"%s\" ", turn_on_status[i]);

    WARNING: printk() should include KERN_ facility level
    #1700: FILE: drivers/mfd/ab8500-core.c:1700:
    +		printk("None\n");

    total: 5 errors, 14 warnings, 1869 lines checked

Reviewed-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: ab8500-core: Remove pointless else in if statement

2014-07-09T15:37:27+00:00

Save a line of code (albeit, it's replaced by a blank line, but
still), as the else is superfluous.

Reviewed-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: ab8500: Fix dt irq mapping

2014-06-26T12:34:15+00:00

The AD8500 defines itself as interrupt-controller in DT,
but it doesn't assign DT node to IRQ domain when creates it.
As result, of_irq_xx() helpers don't work because they can't
find necessary IRQ domain.

Hence, fix it by assigning AD8500 core device DT node to IRQ
domain when it's created.

This patch fixes STE u8500 Snowball boot failure reported by Kevin Hilman
https://lkml.org/lkml/2014/5/27/624

Reported-and-tested-by: Kevin Hilman 
Signed-off-by: Grygorii Strashko 
Reviewed-by: Linus Walleij 
Signed-off-by: Lee Jones