From: Mark Brown <broonie@kernel.org> To: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Cc: Lee Jones <lee.jones@linaro.org>, Samuel Ortiz <sameo@linux.intel.com>, Mike Turquette <mturquette@linaro.org>, Liam Girdwood <lgirdwood@gmail.com>, Alessandro Zummo <a.zummo@towertech.it>, Kukjin Kim <kgene.kim@samsung.com>, Doug Anderson <dianders@chromium.org>, Olof Johansson <olof@lixom.net>, Sjoerd Simons <sjoerd.simons@collabora.co.uk>, Daniel Stone <daniels@collabora.com>, Tomeu Vizoso <tomeu.vizoso@collabora.com>, Krzysztof Kozlowski <k.kozlowski@samsung.com>, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators Date: Mon, 16 Jun 2014 20:25:00 +0100 [thread overview] Message-ID: <20140616192500.GJ5099@sirena.org.uk> (raw) In-Reply-To: <1402941758-11216-8-git-send-email-javier.martinez@collabora.co.uk> [-- Attachment #1: Type: text/plain, Size: 1841 bytes --] On Mon, Jun 16, 2014 at 08:02:35PM +0200, Javier Martinez Canillas wrote: > --- a/drivers/mfd/max77802.c > +++ b/drivers/mfd/max77802.c > @@ -37,6 +37,7 @@ > #include <linux/err.h> > > static const struct mfd_cell max77802_devs[] = { > + { .name = "max77802-pmic", }, > }; > > static bool max77802_pmic_is_accessible_reg(struct device *dev, Please don't do things like this, it makes it harder to apply your series. Just register all the devices in the MFD when you add the MFD driver. > + default: > + pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n", > + rdev->desc->name, mode); > + return -EINVAL; dev_warn(). > +static void max77802_copy_reg(struct device *dev, struct regmap *regmap, > + int from_reg, int to_reg) > +{ > + int val; > + int ret; > + > + if (from_reg == to_reg) > + return; > + > + ret = regmap_read(regmap, from_reg, &val); > + if (!ret) > + ret = regmap_write(regmap, to_reg, val); > + > + if (ret) > + dev_warn(dev, "Copy err %d => %d (%d)\n", > + from_reg, to_reg, ret); > +} Again, this looks like it should be generic. > +static int max77802_pmic_probe(struct platform_device *pdev) > +{ > + dev_dbg(&pdev->dev, "%s\n", __func__); This isn't adding anything, just remove it - the core already logs probes if you want. > + config.dev = &pdev->dev; Are you sure this shouldn't be the MFD? > + for (i = 0; i < MAX77802_MAX_REGULATORS; i++) { > + struct regulator_dev *rdev; > + int id = pdata->regulators[i].id; > + > + config.init_data = pdata->regulators[i].initdata; > + config.of_node = pdata->regulators[i].of_node; > + > + max77802->opmode[id] = MAX77802_OPMODE_NORMAL; Why isn't this being read from the hardware, this may lead to a configuration change the first time we pay attention? [-- Attachment #2: Digital signature --] [-- Type: application/pgp-signature, Size: 819 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: broonie@kernel.org (Mark Brown) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators Date: Mon, 16 Jun 2014 20:25:00 +0100 [thread overview] Message-ID: <20140616192500.GJ5099@sirena.org.uk> (raw) In-Reply-To: <1402941758-11216-8-git-send-email-javier.martinez@collabora.co.uk> On Mon, Jun 16, 2014 at 08:02:35PM +0200, Javier Martinez Canillas wrote: > --- a/drivers/mfd/max77802.c > +++ b/drivers/mfd/max77802.c > @@ -37,6 +37,7 @@ > #include <linux/err.h> > > static const struct mfd_cell max77802_devs[] = { > + { .name = "max77802-pmic", }, > }; > > static bool max77802_pmic_is_accessible_reg(struct device *dev, Please don't do things like this, it makes it harder to apply your series. Just register all the devices in the MFD when you add the MFD driver. > + default: > + pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n", > + rdev->desc->name, mode); > + return -EINVAL; dev_warn(). > +static void max77802_copy_reg(struct device *dev, struct regmap *regmap, > + int from_reg, int to_reg) > +{ > + int val; > + int ret; > + > + if (from_reg == to_reg) > + return; > + > + ret = regmap_read(regmap, from_reg, &val); > + if (!ret) > + ret = regmap_write(regmap, to_reg, val); > + > + if (ret) > + dev_warn(dev, "Copy err %d => %d (%d)\n", > + from_reg, to_reg, ret); > +} Again, this looks like it should be generic. > +static int max77802_pmic_probe(struct platform_device *pdev) > +{ > + dev_dbg(&pdev->dev, "%s\n", __func__); This isn't adding anything, just remove it - the core already logs probes if you want. > + config.dev = &pdev->dev; Are you sure this shouldn't be the MFD? > + for (i = 0; i < MAX77802_MAX_REGULATORS; i++) { > + struct regulator_dev *rdev; > + int id = pdata->regulators[i].id; > + > + config.init_data = pdata->regulators[i].initdata; > + config.of_node = pdata->regulators[i].of_node; > + > + max77802->opmode[id] = MAX77802_OPMODE_NORMAL; Why isn't this being read from the hardware, this may lead to a configuration change the first time we pay attention? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20140616/4cc76c61/attachment.sig>
next prev parent reply other threads:[~2014-06-16 19:25 UTC|newest] Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-16 18:02 [PATCH v2 00/10] Add Maxim 77802 PMIC support Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 01/10] mfd: max77686: Convert to use regmap_irq Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-17 20:32 ` Lee Jones 2014-06-17 20:32 ` Lee Jones 2014-06-17 20:57 ` Doug Anderson 2014-06-17 20:57 ` Doug Anderson 2014-06-17 20:57 ` Doug Anderson 2014-06-18 9:21 ` Javier Martinez Canillas 2014-06-18 9:21 ` Javier Martinez Canillas 2014-06-18 9:21 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 02/10] clk: max77686: add DT include for MAX77686 PMIC clock Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 03/10] Documentation: dt: improve Maxim 77686 PMIC clocks binding Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 04/10] clk: Add generic driver for Maxim PMIC clocks Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 05/10] clk: max77686: convert to the generic max clock driver Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 06/10] mfd: Add driver for Maxim 77802 Power Management IC Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 19:27 ` Mark Brown 2014-06-16 19:27 ` Mark Brown 2014-06-17 10:57 ` Javier Martinez Canillas 2014-06-17 10:57 ` Javier Martinez Canillas 2014-06-18 8:32 ` Lee Jones 2014-06-18 8:32 ` Lee Jones 2014-06-18 9:50 ` Javier Martinez Canillas 2014-06-18 9:50 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 07/10] regulator: Add driver for Maxim 77802 PMIC regulators Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 19:25 ` Mark Brown [this message] 2014-06-16 19:25 ` Mark Brown 2014-06-17 10:49 ` Javier Martinez Canillas 2014-06-17 10:49 ` Javier Martinez Canillas 2014-06-17 10:49 ` Javier Martinez Canillas 2014-06-17 14:12 ` Mark Brown 2014-06-17 14:12 ` Mark Brown 2014-06-17 16:05 ` Javier Martinez Canillas 2014-06-17 16:05 ` Javier Martinez Canillas 2014-06-21 20:40 ` Mark Brown 2014-06-21 20:40 ` Mark Brown 2014-06-23 9:28 ` Javier Martinez Canillas 2014-06-23 9:28 ` Javier Martinez Canillas 2014-06-23 9:47 ` Mark Brown 2014-06-23 9:47 ` Mark Brown 2014-06-23 9:47 ` Mark Brown 2014-06-24 16:43 ` Javier Martinez Canillas 2014-06-24 16:43 ` Javier Martinez Canillas 2014-06-17 21:17 ` Lee Jones 2014-06-17 21:17 ` Lee Jones 2014-06-17 21:17 ` Lee Jones 2014-06-18 9:47 ` Javier Martinez Canillas 2014-06-18 9:47 ` Javier Martinez Canillas 2014-06-18 14:10 ` Lee Jones 2014-06-18 14:10 ` Lee Jones 2014-06-19 13:32 ` Alessandro Zummo 2014-06-19 13:32 ` Alessandro Zummo 2014-06-16 18:02 ` [PATCH v2 08/10] clk: Add driver for Maxim 77802 PMIC clocks Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 09/10] rtc: Add driver for Maxim 77802 PMIC Real-Time-Clock Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas 2014-06-16 18:02 ` [PATCH v2 10/10] ARM: dts: Add max77802 device node for exynos5420-peach-pit Javier Martinez Canillas 2014-06-16 18:02 ` Javier Martinez Canillas
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