Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752545AbaBKRYs (ORCPT ); Tue, 11 Feb 2014 12:24:48 -0500 Received: from mail-ea0-f178.google.com ([209.85.215.178]:34074 "EHLO mail-ea0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751969AbaBKRYr (ORCPT ); Tue, 11 Feb 2014 12:24:47 -0500 Date: Tue, 11 Feb 2014 17:24:40 +0000 From: Lee Jones To: Pawel Moll Cc: arm@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Samuel Ortiz Subject: Re: [PATCH 07/12] mfd: syscon: Consider platform data a regmap config name Message-ID: <20140211172440.GG15081@lee--X1> References: <1392138636-29240-1-git-send-email-pawel.moll@arm.com> <1392138636-29240-8-git-send-email-pawel.moll@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1392138636-29240-8-git-send-email-pawel.moll@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Use the device platform data as a regmap config > name. This is particularly useful in the regmap > debugfs when there is more than one syscon device > registered, to distinguish the register blocks. > > Cc: Samuel Ortiz > Cc: Lee Jones > Signed-off-by: Pawel Moll > --- > Alternatively I could define a syscon platform data structure, > something like this: > > struct syscon_platform_data { > const char *label; > }; > > drivers/mfd/syscon.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c > index 71841f9..ea1770b 100644 > --- a/drivers/mfd/syscon.c > +++ b/drivers/mfd/syscon.c > @@ -143,6 +143,7 @@ static int syscon_probe(struct platform_device *pdev) > return -ENOMEM; > > syscon_regmap_config.max_register = res->end - res->start - 3; > + syscon_regmap_config.name = dev_get_platdata(&pdev->dev); Perhaps the answer is waiting for me in the other set, but ... Isn't this going to be NULL most of the time? > syscon->regmap = devm_regmap_init_mmio(dev, base, > &syscon_regmap_config); > if (IS_ERR(syscon->regmap)) { -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- 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/