From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH V2 2/4] mfd: mediatek: int_con and int_status may vary in location Date: Mon, 25 Jan 2016 12:33:53 +0000 Message-ID: <20160125123353.GE3368@x1> References: <1453716887-38442-1-git-send-email-blogic@openwrt.org> <1453716887-38442-3-git-send-email-blogic@openwrt.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1453716887-38442-3-git-send-email-blogic@openwrt.org> Sender: linux-kernel-owner@vger.kernel.org To: John Crispin Cc: Matthias Brugger , Flora Fu , Sascha Hauer , Henry Chen , Steven Liu , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-mediatek@lists.infradead.org On Mon, 25 Jan 2016, John Crispin wrote: > MT6323 has the INT_CON and INT_STATUS located at a different position= =2E > Make the registers locations configurable. >=20 > Signed-off-by: John Crispin > --- > drivers/mfd/mt6397-core.c | 27 +++++++++++++++++---------- > include/linux/mfd/mt6397/core.h | 2 ++ > 2 files changed, 19 insertions(+), 10 deletions(-) =46or my own reference: Acked-by: Lee Jones > diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c > index 1749c1c..75ad0fe 100644 > --- a/drivers/mfd/mt6397-core.c > +++ b/drivers/mfd/mt6397-core.c > @@ -69,8 +69,10 @@ static void mt6397_irq_sync_unlock(struct irq_data= *data) > { > struct mt6397_chip *mt6397 =3D irq_data_get_irq_chip_data(data); > =20 > - regmap_write(mt6397->regmap, MT6397_INT_CON0, mt6397->irq_masks_cur= [0]); > - regmap_write(mt6397->regmap, MT6397_INT_CON1, mt6397->irq_masks_cur= [1]); > + regmap_write(mt6397->regmap, mt6397->int_con[0], > + mt6397->irq_masks_cur[0]); > + regmap_write(mt6397->regmap, mt6397->int_con[1], > + mt6397->irq_masks_cur[1]); > =20 > mutex_unlock(&mt6397->irqlock); > } > @@ -147,8 +149,8 @@ static irqreturn_t mt6397_irq_thread(int irq, voi= d *data) > { > struct mt6397_chip *mt6397 =3D data; > =20 > - mt6397_irq_handle_reg(mt6397, MT6397_INT_STATUS0, 0); > - mt6397_irq_handle_reg(mt6397, MT6397_INT_STATUS1, 16); > + mt6397_irq_handle_reg(mt6397, mt6397->int_status[0], 0); > + mt6397_irq_handle_reg(mt6397, mt6397->int_status[1], 16); > =20 > return IRQ_HANDLED; > } > @@ -177,8 +179,8 @@ static int mt6397_irq_init(struct mt6397_chip *mt= 6397) > mutex_init(&mt6397->irqlock); > =20 > /* Mask all interrupt sources */ > - regmap_write(mt6397->regmap, MT6397_INT_CON0, 0x0); > - regmap_write(mt6397->regmap, MT6397_INT_CON1, 0x0); > + regmap_write(mt6397->regmap, mt6397->int_con[0], 0x0); > + regmap_write(mt6397->regmap, mt6397->int_con[1], 0x0); > =20 > mt6397->irq_domain =3D irq_domain_add_linear(mt6397->dev->of_node, > MT6397_IRQ_NR, &mt6397_irq_domain_ops, mt6397); > @@ -203,8 +205,8 @@ static int mt6397_irq_suspend(struct device *dev) > { > struct mt6397_chip *chip =3D dev_get_drvdata(dev); > =20 > - regmap_write(chip->regmap, MT6397_INT_CON0, chip->wake_mask[0]); > - regmap_write(chip->regmap, MT6397_INT_CON1, chip->wake_mask[1]); > + regmap_write(chip->regmap, chip->int_con[0], chip->wake_mask[0]); > + regmap_write(chip->regmap, chip->int_con[1], chip->wake_mask[1]); > =20 > enable_irq_wake(chip->irq); > =20 > @@ -215,8 +217,8 @@ static int mt6397_irq_resume(struct device *dev) > { > struct mt6397_chip *chip =3D dev_get_drvdata(dev); > =20 > - regmap_write(chip->regmap, MT6397_INT_CON0, chip->irq_masks_cur[0])= ; > - regmap_write(chip->regmap, MT6397_INT_CON1, chip->irq_masks_cur[1])= ; > + regmap_write(chip->regmap, chip->int_con[0], chip->irq_masks_cur[0]= ); > + regmap_write(chip->regmap, chip->int_con[1], chip->irq_masks_cur[1]= ); > =20 > disable_irq_wake(chip->irq); > =20 > @@ -237,6 +239,11 @@ static int mt6397_probe(struct platform_device *= pdev) > return -ENOMEM; > =20 > mt6397->dev =3D &pdev->dev; > + mt6397->int_con[0] =3D MT6397_INT_CON0; > + mt6397->int_con[1] =3D MT6397_INT_CON1; > + mt6397->int_status[0] =3D MT6397_INT_STATUS0; > + mt6397->int_status[1] =3D MT6397_INT_STATUS1; > + > /* > * mt6397 MFD is child device of soc pmic wrapper. > * Regmap is set from its parent. > diff --git a/include/linux/mfd/mt6397/core.h b/include/linux/mfd/mt63= 97/core.h > index 45b8e8a..d678f52 100644 > --- a/include/linux/mfd/mt6397/core.h > +++ b/include/linux/mfd/mt6397/core.h > @@ -60,6 +60,8 @@ struct mt6397_chip { > u16 wake_mask[2]; > u16 irq_masks_cur[2]; > u16 irq_masks_cache[2]; > + u16 int_con[2]; > + u16 int_status[2]; > }; > =20 > #endif /* __MFD_MT6397_CORE_H__ */ --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog