From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Mon, 6 Jan 2014 09:48:08 +0000 Subject: [RFC 01/18] mfd: syscon: Consider platform data a regmap config name In-Reply-To: <1387815830-8794-2-git-send-email-pawel.moll@arm.com> References: <1387815830-8794-1-git-send-email-pawel.moll@arm.com> <1387815830-8794-2-git-send-email-pawel.moll@arm.com> Message-ID: <20140106094808.GG23772@lee--X1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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. > > Signed-off-by: Pawel Moll > Cc: Samuel Ortiz > Cc: Lee Jones > --- > 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); > syscon->regmap = devm_regmap_init_mmio(dev, base, > &syscon_regmap_config); > if (IS_ERR(syscon->regmap)) { This smells a bit fishy to me. Can you point me to the piece of code or patch where you set the platform_data pointer as a string? -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog