Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965534AbbD1LaY (ORCPT ); Tue, 28 Apr 2015 07:30:24 -0400 Received: from mail-wg0-f52.google.com ([74.125.82.52]:35967 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965048AbbD1LaV (ORCPT ); Tue, 28 Apr 2015 07:30:21 -0400 Message-ID: <553F6F48.5060507@gmail.com> Date: Tue, 28 Apr 2015 13:30:16 +0200 From: Sebastian Hesselbarth User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 To: Antoine Tenart , linus.walleij@linaro.org CC: jszhang@marvell.com, zmxu@marvell.com, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 05/10] pinctrl: berlin: use the regmap provided by syscon References: <1425654328-26298-1-git-send-email-antoine.tenart@free-electrons.com> <1425654328-26298-6-git-send-email-antoine.tenart@free-electrons.com> In-Reply-To: <1425654328-26298-6-git-send-email-antoine.tenart@free-electrons.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5615 Lines: 163 On 06.03.2015 16:05, Antoine Tenart wrote: > The Berlin pin controller nodes are now sub-nodes of the soc-controller > and the system-controller nodes. The register bank is managed by syscon, > which provides a regmap. > > Remove the regmap setup from the Berlin pinctrl driver and use the one > provided by syscon. > > Signed-off-by: Antoine Tenart Linus, would you mind to give your Acked-by for this and the next patch and let me take this through Berlin and ARM-SoC tree? The patches only touch berlin-specific subdirectories in pinctrl/ so there should be no merge issues expected. Sebastian > --- > drivers/pinctrl/berlin/berlin-bg2.c | 22 ---------------------- > drivers/pinctrl/berlin/berlin-bg2cd.c | 22 ---------------------- > drivers/pinctrl/berlin/berlin-bg2q.c | 22 ---------------------- > drivers/pinctrl/berlin/berlin.c | 9 ++++++--- > 4 files changed, 6 insertions(+), 69 deletions(-) > > diff --git a/drivers/pinctrl/berlin/berlin-bg2.c b/drivers/pinctrl/berlin/berlin-bg2.c > index b71a6fffef1b..368ec0b9b8ba 100644 > --- a/drivers/pinctrl/berlin/berlin-bg2.c > +++ b/drivers/pinctrl/berlin/berlin-bg2.c > @@ -233,28 +233,6 @@ static int berlin2_pinctrl_probe(struct platform_device *pdev) > { > const struct of_device_id *match = > of_match_device(berlin2_pinctrl_match, &pdev->dev); > - struct regmap_config *rmconfig; > - struct regmap *regmap; > - struct resource *res; > - void __iomem *base; > - > - rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); > - if (!rmconfig) > - return -ENOMEM; > - > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - base = devm_ioremap_resource(&pdev->dev, res); > - if (IS_ERR(base)) > - return PTR_ERR(base); > - > - rmconfig->reg_bits = 32, > - rmconfig->val_bits = 32, > - rmconfig->reg_stride = 4, > - rmconfig->max_register = resource_size(res); > - > - regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); > - if (IS_ERR(regmap)) > - return PTR_ERR(regmap); > > return berlin_pinctrl_probe(pdev, match->data); > } > diff --git a/drivers/pinctrl/berlin/berlin-bg2cd.c b/drivers/pinctrl/berlin/berlin-bg2cd.c > index 19ac5a22c947..6b9cae029ef7 100644 > --- a/drivers/pinctrl/berlin/berlin-bg2cd.c > +++ b/drivers/pinctrl/berlin/berlin-bg2cd.c > @@ -176,28 +176,6 @@ static int berlin2cd_pinctrl_probe(struct platform_device *pdev) > { > const struct of_device_id *match = > of_match_device(berlin2cd_pinctrl_match, &pdev->dev); > - struct regmap_config *rmconfig; > - struct regmap *regmap; > - struct resource *res; > - void __iomem *base; > - > - rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); > - if (!rmconfig) > - return -ENOMEM; > - > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - base = devm_ioremap_resource(&pdev->dev, res); > - if (IS_ERR(base)) > - return PTR_ERR(base); > - > - rmconfig->reg_bits = 32, > - rmconfig->val_bits = 32, > - rmconfig->reg_stride = 4, > - rmconfig->max_register = resource_size(res); > - > - regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); > - if (IS_ERR(regmap)) > - return PTR_ERR(regmap); > > return berlin_pinctrl_probe(pdev, match->data); > } > diff --git a/drivers/pinctrl/berlin/berlin-bg2q.c b/drivers/pinctrl/berlin/berlin-bg2q.c > index bd9662e57ad3..11aa10cc0e3e 100644 > --- a/drivers/pinctrl/berlin/berlin-bg2q.c > +++ b/drivers/pinctrl/berlin/berlin-bg2q.c > @@ -395,28 +395,6 @@ static int berlin2q_pinctrl_probe(struct platform_device *pdev) > { > const struct of_device_id *match = > of_match_device(berlin2q_pinctrl_match, &pdev->dev); > - struct regmap_config *rmconfig; > - struct regmap *regmap; > - struct resource *res; > - void __iomem *base; > - > - rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); > - if (!rmconfig) > - return -ENOMEM; > - > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - base = devm_ioremap_resource(&pdev->dev, res); > - if (IS_ERR(base)) > - return PTR_ERR(base); > - > - rmconfig->reg_bits = 32, > - rmconfig->val_bits = 32, > - rmconfig->reg_stride = 4, > - rmconfig->max_register = resource_size(res); > - > - regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); > - if (IS_ERR(regmap)) > - return PTR_ERR(regmap); > > return berlin_pinctrl_probe(pdev, match->data); > } > diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c > index 7f0b0f93242b..2e3a8b8858ec 100644 > --- a/drivers/pinctrl/berlin/berlin.c > +++ b/drivers/pinctrl/berlin/berlin.c > @@ -12,6 +12,7 @@ > > #include > #include > +#include > #include > #include > #include > @@ -295,13 +296,15 @@ int berlin_pinctrl_probe(struct platform_device *pdev, > const struct berlin_pinctrl_desc *desc) > { > struct device *dev = &pdev->dev; > + struct device_node *parent_np = of_get_parent(dev->of_node); > struct berlin_pinctrl *pctrl; > struct regmap *regmap; > int ret; > > - regmap = dev_get_regmap(&pdev->dev, NULL); > - if (!regmap) > - return -ENODEV; > + regmap = syscon_node_to_regmap(parent_np); > + of_node_put(parent_np); > + if (IS_ERR(regmap)) > + return PTR_ERR(regmap); > > pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL); > if (!pctrl) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/