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  1. 28 Aug, 2013 8 commits
  3. 23 Aug, 2013 15 commits
  5. 16 Aug, 2013 1 commit
  7. 15 Aug, 2013 8 commits
    • Sascha Hauer's avatar
      pinctrl: imx: do not fail when parsing a function fails · 7ea46e0f
      Sascha Hauer authored 
      When parsing a function fails this is no reason to make the whole
driver fail. Just continue with the next function.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      7ea46e0f
    • Sascha Hauer's avatar
      pinctrl: imx: do not fail when parsing a group fails · 5e13762c
      Sascha Hauer authored 
      The i.MX pinctrl driver completely bails out when it detects an error
in the pinctrl nodes. This usually means that whatever error a
devicetree has the user is left blind because even the console cannot
be initialized without working pinmux.

Instead of bailing out completely, just continue probing. This makes
the pinctrl driver work, only the erroneous groups will fail later
during pin request time.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      5e13762c
    • Sascha Hauer's avatar
      pinctrl: imx: Catch no fsl,pins property · 1bf1fea9
      Sascha Hauer authored 
      Instead of crashing the kernel print an error message when
the fsl,pins property is missing.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      1bf1fea9
    • Sascha Hauer's avatar
      pinctrl: imx: make error messages more informative · 01312513
      Sascha Hauer authored 
      When printing error messages about errors in the devicetree also print
the offending node to give the use a hint what might be wrong.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      01312513
    • Julia Lawall's avatar
      pinctrl: nomadik: simplify use of devm_ioremap_resource · 690ebabb
      Julia Lawall authored 
      Remove unneeded error handling on the result of a call to
platform_get_resource when the value is passed to devm_ioremap_resource.

Move the call to platform_get_resource adjacent to the call to
devm_ioremap_resource to make the connection between them more clear.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression pdev,res,n,e,e1;
expression ret != 0;
identifier l;
@@

- res = platform_get_resource(pdev, IORESOURCE_MEM, n);
  ... when != res
- if (res == NULL) { ... \(goto l;\|return ret;\) }
  ... when != res
+ res = platform_get_resource(pdev, IORESOURCE_MEM, n);
  e = devm_ioremap_resource(e1, res);
// </smpl>
Signed-off-by: default avatarJulia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      690ebabb
    • Linus Walleij's avatar
      pinctrl: add includes and ifdefs for non-DT builds · 0d74d4a1
      Linus Walleij authored 
      Commit e81c8f18
"pinctrl: pinconf-generic: add generic APIs for mapping pinctrl node"
Added function prototypes with implicit dependencies
on other header files causing build warnings like this:

In file included from
arch/arm/mach-ux500/board-mop500-pins.c:12:0:
include/linux/pinctrl/pinconf-generic.h:142:3:
warning: 'struct device_node' declared inside parameter list [enabled
by default]
   unsigned *reserved_maps, unsigned *num_maps);
   ^
include/linux/pinctrl/pinconf-generic.h:142:3:
warning: its scope is only this definition or declaration, which is
probably not what you want [enabled by default]
include/linux/pinctrl/pinconf-generic.h:142:3:
warning: 'struct pinctrl_dev' declared inside parameter list [enabled
by default]
include/linux/pinctrl/pinconf-generic.h:145:3:
warning: 'struct device_node' declared inside parameter list [enabled
by default]
   unsigned *num_maps);
   ^
Let's just add ifdefs for non-DT systems (the actual code is
already ifdefed) and #include <linux/device.h> to get the
most important structs and forward-declare the pinctrl
core structs.
Reported-by: default avatarOlof Johansson <olof@lixom.net>
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      0d74d4a1
    • Linus Walleij's avatar
      pinctrl: nomadik: shut up a warning for flags · f84b4171
      Linus Walleij authored 
      The irq flags variable gets a warning like this after
commit bf4dae5c
"pinctrl: nomadik: delete ancient pin control API":

In file included from include/linux/seqlock.h:29:0,
                 from include/linux/time.h:5,
                 from include/linux/stat.h:18,
                 from include/linux/module.h:10,
                 from
drivers/pinctrl/pinctrl-nomadik.c:14:
drivers/pinctrl/pinctrl-nomadik.c: In function 'nmk_pmx_enable':
include/linux/spinlock.h:348:122: warning:
'flags' may be used uninitialized in this function
[-Wmaybe-uninitialized]
  raw_spin_unlock_irqrestore(&lock->rlock, flags);
                                                   ^
drivers/pinctrl/pinctrl-nomadik.c:1515:16: note:
'flags' was declared here
  unsigned long flags;

The function is question was never changed but it appears
the semantic checker could previously determine that the code
path that would use the flags was going to either use it or
not, but now it can't for some reason. Just fix it up.
Reported-by: default avatarOlof Johansson <olof@lixom.net>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      f84b4171
    • Stephen Warren's avatar
      gpio: clean up gpio-ranges documentation · a1bc260b
      Stephen Warren authored 
      This change makes documentation of the the gpio-ranges property shorter
and more succinct, more consistent with the style of the rest of the
document, and not mention Linux-specifics such as the API
pinctrl_request_gpio(); DT binding documents should be OS independant
where at all possible. As part of this, the gpio-ranges property's format
is described in BNF form, in order to match the rest of the document.

This change also deprecates the #gpio-range-cells property. Such
properties are useful when one node references a second node, and that
second node dictates the format of the reference. However, that is not
the case here; the definition of gpio-ranges itself always dictates its
format entirely, and hence the value #gpio-range-cells must always be 3,
and hence there is no point requiring any referenced node to include
this property. The only remaining need for this property is to ensure
compatibility of DTs with older SW that was written to support the
previous version of the binding.

v4:
* Mention #gpio-range-cells as being deprecated, rather than removing all
  documentation of that property. This allows DTs to be written in a
  backwards-compatible way if desired, and also allows older DTs to be
  interpreted fully using the latest documentation.
v3:
* Mention BNF in commit description.
* Fixed typo.
* Dropped patch that removed the deprecated property from *.dts, since
  it's required to boot older kernels.
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      a1bc260b
  9. 14 Aug, 2013 8 commits
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