linux-toradex.git/drivers/clk/clk-fixed-factor.c, branch toradex_vf_4.1 Linux kernel for Apalis and Colibri modules Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-16T00:47:22+00:00 Linus Torvalds torvalds@linux-foundation.org 2013-11-16T00:47:22+00:00 9073e1a804c3096eda84ee7cbf11d1f174236c75 Pull trivial tree updates from Jiri Kosina: "Usual earth-shaking, news-breaking, rocket science pile from trivial.git" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits) doc: usb: Fix typo in Documentation/usb/gadget_configs.txt doc: add missing files to timers/00-INDEX timekeeping: Fix some trivial typos in comments mm: Fix some trivial typos in comments irq: Fix some trivial typos in comments NUMA: fix typos in Kconfig help text mm: update 00-INDEX doc: Documentation/DMA-attributes.txt fix typo DRM: comment: `halve' -> `half' Docs: Kconfig: `devlopers' -> `developers' doc: typo on word accounting in kprobes.c in mutliple architectures treewide: fix "usefull" typo treewide: fix "distingush" typo mm/Kconfig: Grammar s/an/a/ kexec: Typo s/the/then/ Documentation/kvm: Update cpuid documentation for steal time and pv eoi treewide: Fix common typo in "identify" __page_to_pfn: Fix typo in comment Correct some typos for word frequency clk: fixed-factor: Fix a trivial typo ... 
Pull trivial tree updates from Jiri Kosina:
 "Usual earth-shaking, news-breaking, rocket science pile from
  trivial.git"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
  doc: usb: Fix typo in Documentation/usb/gadget_configs.txt
  doc: add missing files to timers/00-INDEX
  timekeeping: Fix some trivial typos in comments
  mm: Fix some trivial typos in comments
  irq: Fix some trivial typos in comments
  NUMA: fix typos in Kconfig help text
  mm: update 00-INDEX
  doc: Documentation/DMA-attributes.txt fix typo
  DRM: comment: `halve' -> `half'
  Docs: Kconfig: `devlopers' -> `developers'
  doc: typo on word accounting in kprobes.c in mutliple architectures
  treewide: fix "usefull" typo
  treewide: fix "distingush" typo
  mm/Kconfig: Grammar s/an/a/
  kexec: Typo s/the/then/
  Documentation/kvm: Update cpuid documentation for steal time and pv eoi
  treewide: Fix common typo in "identify"
  __page_to_pfn: Fix typo in comment
  Correct some typos for word frequency
  clk: fixed-factor: Fix a trivial typo
  ...
clk: fixed-factor: Fix a trivial typo 2013-10-14T13:26:41+00:00 Ezequiel Garcia ezequiel.garcia@free-electrons.com 2013-09-25T19:08:46+00:00 fe2fd5cc050885483190fc17f72fac27404253d7 Just a trivial print message typo fix. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 
Just a trivial print message typo fix.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
clk: export fixed-factor, gate & mux registration 2013-08-16T19:08:54+00:00 Mike Turquette mturquette@linaro.org 2013-08-16T02:06:29+00:00 5cfe10bb00e1b8c0aaa3f0c796c643bb1af6db82 These registration calls may be used by loadable modules. Export them. Signed-off-by: Mike Turquette <mturquette@linaro.org> 
These registration calls may be used by loadable modules. Export them.

Signed-off-by: Mike Turquette <mturquette@linaro.org>
clk: add device tree fixed-factor-clock binding support 2013-04-12T17:52:23+00:00 Gregory CLEMENT gregory.clement@free-electrons.com 2013-04-12T11:57:44+00:00 79b16641efabd14944dbfc2fde2ae1e8ae8413bc Add support for DT "fixed-factor-clock" binding to the common fixed factor clock support. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Tested-by: Christian Ruppert <christian.ruppert@abilis.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> 
Add support for DT "fixed-factor-clock" binding to the common fixed
factor clock support.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
clk: fixed-factor: round_rate should use do_div 2013-01-12T02:43:27+00:00 Haojian Zhuang haojian.zhuang@gmail.com 2012-12-03T08:14:37+00:00 bab53301c3846ae9a5e1142dca2976f434f70481 clk->rate = parent->rate / div * mult The formula is OK. But it may overflow while we do operate with unsigned long. So use do_div instead. Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> [mturquette@linaro.org: improved $SUBJECT] 
clk->rate = parent->rate / div * mult

The formula is OK. But it may overflow while we do operate with
unsigned long. So use do_div instead.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved $SUBJECT]
clk: Add CLK_IS_BASIC flag to identify basic clocks 2012-07-11T22:36:43+00:00 Rajendra Nayak rnayak@ti.com 2012-06-01T08:32:47+00:00 f7d8caadfd2813cbada82ce9041b13c38e8e5282 Most platforms end up using a mix of basic clock types and some which use clk_hw_foo struct for filling in custom platform information when the clocks don't fit into basic types supported. In platform code, its useful to know if a clock is using a basic type or clk_hw_foo, which helps platforms know if they can safely use to_clk_hw_foo to derive the clk_hw_foo pointer from clk_hw. Mark all basic clocks with a CLK_IS_BASIC flag. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> 
Most platforms end up using a mix of basic clock types and
some which use clk_hw_foo struct for filling in custom platform
information when the clocks don't fit into basic types supported.

In platform code, its useful to know if a clock is using a basic
type or clk_hw_foo, which helps platforms know if they can
safely use to_clk_hw_foo to derive the clk_hw_foo pointer from
clk_hw.

Mark all basic clocks with a CLK_IS_BASIC flag.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
clk: add a fixed factor clock 2012-05-08T21:13:25+00:00 Sascha Hauer s.hauer@pengutronix.de 2012-05-03T10:06:14+00:00 f0948f59dbc8e725a96ba16da666e8f5cdd43ba8 Having fixed factors/dividers in hardware is a common pattern, so add a basic clock type doing this. It basically describes a fixed factor clock using a nominator and a denominator. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Viresh Kumar <viresh.kumar@st.com> Tested-by: Shawn Guo <shawn.guo@linaro.org> [mturquette@linaro.org: constify parent_names in static init macro] [mturquette@linaro.org: copy/paste bug from mux in static init macro] [mturquette@linaro.org: fix error handling in clk_register_fixed_factor] [mturquette@linaro.org: improve division accuracy; thanks to Saravana] Signed-off-by: Mike Turquette <mturquette@linaro.org> 
Having fixed factors/dividers in hardware is a common pattern, so
add a basic clock type doing this. It basically describes a fixed
factor clock using a nominator and a denominator.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Viresh Kumar <viresh.kumar@st.com>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
[mturquette@linaro.org: constify parent_names in static init macro]
[mturquette@linaro.org: copy/paste bug from mux in static init macro]
[mturquette@linaro.org: fix error handling in clk_register_fixed_factor]
[mturquette@linaro.org: improve division accuracy; thanks to Saravana]
Signed-off-by: Mike Turquette <mturquette@linaro.org>