From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH] mfd: axp20x: Add AXP288 volatile registers. Date: Tue, 17 Jan 2017 14:58:53 +0000 Message-ID: <20170117145853.GB3718@dell> References: <20170111194941.5425-1-oss@c-mauderer.de> <20170113140156.GE6864@dell> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20170113140156.GE6864@dell> Sender: linux-kernel-owner@vger.kernel.org To: Christian Mauderer Cc: Chen-Yu Tsai , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Fri, 13 Jan 2017, Lee Jones wrote: > On Wed, 11 Jan 2017, Christian Mauderer wrote: > > > The axp288_fuelgauge driver and some other axp288_xxx are using a number > > of the registers of the chip that are changed by hardware (for example > > charge level). Because these registers are not marked as "volatile" in > > the regmap, a cached version is used instead of the correct register > > value. In case of the axp288_fuelgauge that leads to a battery level > > that only changes on reboot. This patch adds the volatile registers of > > the chip. > > > > Signed-off-by: Christian Mauderer > > --- > > drivers/mfd/axp20x.c | 3 +++ > > 1 file changed, 3 insertions(+) > > Applied, thanks. Change of plan. This patch does not apply. Please rebase it on top of the MFD tree. > > diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c > > index ed918de84238..d74b3daca23f 100644 > > --- a/drivers/mfd/axp20x.c > > +++ b/drivers/mfd/axp20x.c > > @@ -118,7 +118,10 @@ static const struct regmap_range axp288_writeable_ranges[] = { > > }; > > > > static const struct regmap_range axp288_volatile_ranges[] = { > > + regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE), > > regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L), > > + regmap_reg_range(AXP20X_CC_CTRL, AXP288_FG_OCVL_REG), > > + regmap_reg_range(AXP288_FG_DES_CAP1_REG, AXP288_FG_CC_CAP_REG), > > }; > > > > static const struct regmap_access_table axp288_writeable_table = { > -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog