Linux kernel documentation tree maintained by Jonathan Corbet http://mirrors.hust.edu.cn/git/lwn.git/atom?h=v3.12.55 2013-06-12T11:18:29+00:00 2013-06-12T11:18:29+00:00 Thierry Reding thierry.reding@gmail.com 2013-06-12T11:18:29+00:00 urn:sha1:3dd0a909479c1d372341d749b4ff94cd638b57da Some drivers don't set the .owner fields of the struct device_driver or struct pwm_ops, which causes the module usage count to become wrong. Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 2013-05-18T09:55:58+00:00 Wolfram Sang wsa@the-dreams.de 2013-05-12T13:19:50+00:00 urn:sha1:362e9cd2f54e3c72a37ff8e3319366554e48c555 devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Stephen Warren <swarren@nvidia.com> 2013-04-02T09:30:57+00:00 Axel Lin axel.lin@ingics.com 2013-03-31T14:59:47+00:00 urn:sha1:72da70e77f885ec9a79af9c13ff1c79b6136b75f We can test PWMF_ENABLED bit to know if pwm is enabled or not. Thus remove enabled field from struct imx_chip. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> 2013-01-22T19:41:57+00:00 Thierry Reding thierry.reding@avionic-design.de 2013-01-21T10:09:16+00:00 urn:sha1:6d4294d1634543853febc4287ecf02998fd234e1 Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2012-12-19T16:19:07+00:00 Linus Torvalds torvalds@linux-foundation.org 2012-12-19T16:19:07+00:00 urn:sha1:74779e22261172ea728b989310f6ecc991b57d62 Pull pwm changes from Thierry Reding: "A new driver has been added for the SPEAr platform and the TWL4030/6030 driver has been replaced by two drivers that control the regular PWMs and the PWM driven LEDs provided by the chips. The vt8500, tiecap, tiehrpwm, i.MX, LPC32xx and Samsung drivers have all been improved and the device tree bindings now support the PWM signal polarity." Fix up trivial conflicts due to __devinit/exit removal. * tag 'for-3.8-rc1' of git://gitorious.org/linux-pwm/linux-pwm: (21 commits) pwm: samsung: add missing s3c->pwm_id assignment pwm: lpc32xx: Set the chip base for dynamic allocation pwm: lpc32xx: Properly disable the clock on device removal pwm: lpc32xx: Fix the PWM polarity pwm: i.MX: eliminate build warning pwm: Export of_pwm_xlate_with_flags() pwm: Remove pwm-twl6030 driver pwm: New driver to support PWM driven LEDs on TWL4030/6030 series of PMICs pwm: New driver to support PWMs on TWL4030/6030 series of PMICs pwm: pwm-tiehrpwm: pinctrl support pwm: tiehrpwm: Add device-tree binding pwm: pwm-tiehrpwm: Adding TBCLK gating support. pwm: pwm-tiecap: pinctrl support pwm: tiecap: Add device-tree binding pwm: Add TI PWM subsystem driver pwm: Device tree support for PWM polarity pwm: vt8500: Ensure PWM clock is enabled during pwm_config pwm: vt8500: Fix build error pwm: spear: Staticize spear_pwm_config() pwm: Add SPEAr PWM chip driver support ... 2012-12-06T07:52:04+00:00 Lothar Waßmann LW@KARO-electronics.de 2012-12-05T15:34:41+00:00 urn:sha1:983290b0625628448ea8907243e3cbceda0a8d74 compiling the i.MX pwm driver produces the following warning: |drivers/pwm/pwm-imx.c: In function 'imx_pwm_probe': |drivers/pwm/pwm-imx.c:281:7: warning: assignment discards qualifiers from pointer target type Apply a 'const' attribute to the affected variable declaration. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> 2012-11-28T20:23:41+00:00 Bill Pemberton wfp5p@virginia.edu 2012-11-19T18:26:09+00:00 urn:sha1:77f37917a6f2bd8635b553178bb34bdd80f08e40 CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Acked-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2012-11-28T20:23:41+00:00 Bill Pemberton wfp5p@virginia.edu 2012-11-19T18:23:14+00:00 urn:sha1:3e9fe83d278cce6974f0a4d1870c0ff4a0b74ba5 CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Acked-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2012-11-28T20:23:41+00:00 Bill Pemberton wfp5p@virginia.edu 2012-11-19T18:21:28+00:00 urn:sha1:fd1091125a1d11fcc635749d0d3dec36904a7a48 CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Acked-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2012-09-12T12:25:07+00:00 Philipp Zabel p.zabel@pengutronix.de 2012-06-25T14:15:20+00:00 urn:sha1:7b27c160c68152581c702b9f1fe362338d2a0cad The i.MX PWM core has two clocks: The ipg clock and the ipg highfreq (peripheral) clock. The ipg clock has to be enabled for this hardware to work. The actual PWM output can either be driven by the ipg clock or the ipg highfreq. The ipg highfreq has the advantage that it runs even when the SoC is in low power modes. This patch requests both clocks and enables the ipg clock for accessing registers and the peripheral clock to actually turn on the PWM. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>