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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 16:58:23 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 16:58:23 -0700 |
commit | 3d1482fe7a835a18cb45894ed67f15466b60190f (patch) | |
tree | 9a97af186208e89f4f60312b3033fedbe6dbfc5c /drivers/of | |
parent | ac1806572df55b6125ad9d117906820dacfa3145 (diff) | |
parent | 4f6a16bf019cb0bbe1deb7d3a83d3593dcce8706 (diff) | |
download | linux-3d1482fe7a835a18cb45894ed67f15466b60190f.tar.gz |
Merge tag 'pinctrl-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control subsystem changes from Linus Walleij: - Generic Device Tree bindings and hooks for drivers so we can move over modern drivers to using this. - Device Tree bindings for Tegra SoCs. - Funneling some devicetree helper code for the drivers/of subsystem. - New pin control drivers for: * Freescale MXS * Freescale i.MX51 * Freescale i.MX53 All of these use Device Tree bindings. - Dummy pinctrl handles for stepwise migration to pinctrl, akin to dummy regulators. - Minor non-urgent fixes and improvments. Fix up trivial conflicts in Documentation/driver-model/devres.txt and drivers/pinctrl/core.c, * tag 'pinctrl-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (46 commits) pinctrl: pinctrl-imx: add imx51 pinctrl driver pinctrl: pinctrl-imx: add imx53 pinctrl driver pinctrl: pinctrl-pxa3xx: remove empty pinmux disable function pinctrl: pinctrl-mxs: remove empty pinmux disable function pinctrl: pinctrl-imx: remove empty pinmux disable function pinctrl: make pinmux disable function optional pinctrl: a minor error checking improvement for pinconf pinctrl: mxs: skip gpio nodes for group creation pinctrl: mxs: create group for pin config node pinctrl: (cosmetic) fix two entries in DocBook comments pinctrl: add more info to error msgs in pin_request pinctrl: add pinctrl-mxs support pinctrl: pinctrl-imx: add imx6q pinctrl driver pinctrl: pinctrl-imx: add imx pinctrl core driver dt: add of_get_child_count helper function pinctrl: support gpio request deferred probing pinctrl: add pinctrl_provide_dummies interface for platforms to use pinctrl: enhance reporting of errors when loading from DT pinctrl: add kerneldoc for pinctrl_ops device tree functions pinctrl: propagate map validation errors ...
Diffstat (limited to 'drivers/of')
-rw-r--r-- | drivers/of/base.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index 580644986945..d9bfd49b1935 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1260,3 +1260,44 @@ int of_alias_get_id(struct device_node *np, const char *stem) return id; } EXPORT_SYMBOL_GPL(of_alias_get_id); + +const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, + u32 *pu) +{ + const void *curv = cur; + + if (!prop) + return NULL; + + if (!cur) { + curv = prop->value; + goto out_val; + } + + curv += sizeof(*cur); + if (curv >= prop->value + prop->length) + return NULL; + +out_val: + *pu = be32_to_cpup(curv); + return curv; +} +EXPORT_SYMBOL_GPL(of_prop_next_u32); + +const char *of_prop_next_string(struct property *prop, const char *cur) +{ + const void *curv = cur; + + if (!prop) + return NULL; + + if (!cur) + return prop->value; + + curv += strlen(cur) + 1; + if (curv >= prop->value + prop->length) + return NULL; + + return curv; +} +EXPORT_SYMBOL_GPL(of_prop_next_string); |