[PATCH] locomo: replace locomo_{readl/writel} macros with __raw_{readw/writew}

Eric Miao eric.y.miao at gmail.com
Tue Mar 9 08:26:08 EST 2010


On Tue, Mar 9, 2010 at 8:18 AM, H Hartley Sweeten
<hartleys at visionengravers.com> wrote:
> The locomo_readl and locomo_writel macros are misnamed. Both
> use (*(volatile u16 *)(addr)) so they should be a *w variety.
>
> Instead of renaming the macros just replace them tree wide with
> __raw_readw and __raw_writew.
>
> Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Eric Miao <eric.y.miao at gmail.com>
>

Hey Hartley,

Could you please rebase this on top of my 'devel' branch? And note
locomo_{read,write}l() may also be used in sub-device drivers like
keyboard, LEDs and etc.

- eric

> ---
>
> diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
> index 90ae00b..c1be46e 100644
> --- a/arch/arm/common/locomo.c
> +++ b/arch/arm/common/locomo.c
> @@ -147,7 +147,7 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc)
>        desc->chip->ack(irq);
>
>        /* check why this interrupt was generated */
> -       req = locomo_readl(lchip->base + LOCOMO_ICR) & 0x0f00;
> +       req = __raw_readw(lchip->base + LOCOMO_ICR) & 0x0f00;
>
>        if (req) {
>                /* generate the next interrupt(s) */
> @@ -169,18 +169,18 @@ static void locomo_mask_irq(unsigned int irq)
>  {
>        struct locomo *lchip = get_irq_chip_data(irq);
>        unsigned int r;
> -       r = locomo_readl(lchip->base + LOCOMO_ICR);
> +       r = __raw_readw(lchip->base + LOCOMO_ICR);
>        r &= ~(0x0010 << (irq - lchip->irq_base));
> -       locomo_writel(r, lchip->base + LOCOMO_ICR);
> +       __raw_writew(r, lchip->base + LOCOMO_ICR);
>  }
>
>  static void locomo_unmask_irq(unsigned int irq)
>  {
>        struct locomo *lchip = get_irq_chip_data(irq);
>        unsigned int r;
> -       r = locomo_readl(lchip->base + LOCOMO_ICR);
> +       r = __raw_readw(lchip->base + LOCOMO_ICR);
>        r |= (0x0010 << (irq - lchip->irq_base));
> -       locomo_writel(r, lchip->base + LOCOMO_ICR);
> +       __raw_writew(r, lchip->base + LOCOMO_ICR);
>  }
>
>  static struct irq_chip locomo_chip = {
> @@ -287,30 +287,31 @@ static int locomo_suspend(struct platform_device *dev, pm_message_t state)
>
>        spin_lock_irqsave(&lchip->lock, flags);
>
> -       save->LCM_GPO     = locomo_readl(lchip->base + LOCOMO_GPO);     /* GPIO */
> -       locomo_writel(0x00, lchip->base + LOCOMO_GPO);
> -       save->LCM_SPICT   = locomo_readl(lchip->base + LOCOMO_SPI + LOCOMO_SPICT);      /* SPI */
> -       locomo_writel(0x40, lchip->base + LOCOMO_SPICT);
> -       save->LCM_GPE     = locomo_readl(lchip->base + LOCOMO_GPE);     /* GPIO */
> -       locomo_writel(0x00, lchip->base + LOCOMO_GPE);
> -       save->LCM_ASD     = locomo_readl(lchip->base + LOCOMO_ASD);     /* ADSTART */
> -       locomo_writel(0x00, lchip->base + LOCOMO_ASD);
> -       save->LCM_SPIMD   = locomo_readl(lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);      /* SPI */
> -       locomo_writel(0x3C14, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
> -
> -       locomo_writel(0x00, lchip->base + LOCOMO_PAIF);
> -       locomo_writel(0x00, lchip->base + LOCOMO_DAC);
> -       locomo_writel(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
> -
> -       if ((locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) && (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88))
> -               locomo_writel(0x00, lchip->base + LOCOMO_C32K);         /* CLK32 off */
> +       save->LCM_GPO     = __raw_readw(lchip->base + LOCOMO_GPO);      /* GPIO */
> +       __raw_writew(0x00, lchip->base + LOCOMO_GPO);
> +       save->LCM_SPICT   = __raw_readw(lchip->base + LOCOMO_SPI + LOCOMO_SPICT);       /* SPI */
> +       __raw_writew(0x40, lchip->base + LOCOMO_SPICT);
> +       save->LCM_GPE     = __raw_readw(lchip->base + LOCOMO_GPE);      /* GPIO */
> +       __raw_writew(0x00, lchip->base + LOCOMO_GPE);
> +       save->LCM_ASD     = __raw_readw(lchip->base + LOCOMO_ASD);      /* ADSTART */
> +       __raw_writew(0x00, lchip->base + LOCOMO_ASD);
> +       save->LCM_SPIMD   = __raw_readw(lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);       /* SPI */
> +       __raw_writew(0x3C14, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
> +
> +       __raw_writew(0x00, lchip->base + LOCOMO_PAIF);
> +       __raw_writew(0x00, lchip->base + LOCOMO_DAC);
> +       __raw_writew(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
> +
> +       if ((__raw_readw(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) &&
> +           (__raw_readw(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88))
> +               __raw_writew(0x00, lchip->base + LOCOMO_C32K);  /* CLK32 off */
>        else
>                /* 18MHz already enabled, so no wait */
> -               locomo_writel(0xc1, lchip->base + LOCOMO_C32K);         /* CLK32 on */
> +               __raw_writew(0xc1, lchip->base + LOCOMO_C32K);  /* CLK32 on */
>
> -       locomo_writel(0x00, lchip->base + LOCOMO_TADC);         /* 18MHz clock off*/
> -       locomo_writel(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC);                   /* 22MHz/24MHz clock off */
> -       locomo_writel(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);                      /* FL */
> +       __raw_writew(0x00, lchip->base + LOCOMO_TADC);          /* 18MHz clock off*/
> +       __raw_writew(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC);    /* 22MHz/24MHz clock off */
> +       __raw_writew(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);       /* FL */
>
>        spin_unlock_irqrestore(&lchip->lock, flags);
>
> @@ -330,20 +331,20 @@ static int locomo_resume(struct platform_device *dev)
>
>        spin_lock_irqsave(&lchip->lock, flags);
>
> -       locomo_writel(save->LCM_GPO, lchip->base + LOCOMO_GPO);
> -       locomo_writel(save->LCM_SPICT, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
> -       locomo_writel(save->LCM_GPE, lchip->base + LOCOMO_GPE);
> -       locomo_writel(save->LCM_ASD, lchip->base + LOCOMO_ASD);
> -       locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
> +       __raw_writew(save->LCM_GPO, lchip->base + LOCOMO_GPO);
> +       __raw_writew(save->LCM_SPICT, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
> +       __raw_writew(save->LCM_GPE, lchip->base + LOCOMO_GPE);
> +       __raw_writew(save->LCM_ASD, lchip->base + LOCOMO_ASD);
> +       __raw_writew(save->LCM_SPIMD, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
>
> -       locomo_writel(0x00, lchip->base + LOCOMO_C32K);
> -       locomo_writel(0x90, lchip->base + LOCOMO_TADC);
> +       __raw_writew(0x00, lchip->base + LOCOMO_C32K);
> +       __raw_writew(0x90, lchip->base + LOCOMO_TADC);
>
> -       locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
> -       r = locomo_readl(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
> +       __raw_writew(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
> +       r = __raw_readw(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
>        r &= 0xFEFF;
> -       locomo_writel(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
> -       locomo_writel(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
> +       __raw_writew(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
> +       __raw_writew(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
>
>        spin_unlock_irqrestore(&lchip->lock, flags);
>
> @@ -399,54 +400,54 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
>        }
>
>        /* locomo initialize */
> -       locomo_writel(0, lchip->base + LOCOMO_ICR);
> +       __raw_writew(0, lchip->base + LOCOMO_ICR);
>        /* KEYBOARD */
> -       locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
> +       __raw_writew(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
>
>        /* GPIO */
> -       locomo_writel(0, lchip->base + LOCOMO_GPO);
> -       locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
> +       __raw_writew(0, lchip->base + LOCOMO_GPO);
> +       __raw_writew((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
>                        , lchip->base + LOCOMO_GPE);
> -       locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
> +       __raw_writew((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
>                        , lchip->base + LOCOMO_GPD);
> -       locomo_writel(0, lchip->base + LOCOMO_GIE);
> +       __raw_writew(0, lchip->base + LOCOMO_GIE);
>
>        /* Frontlight */
> -       locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
> -       locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
> +       __raw_writew(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
> +       __raw_writew(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
>
>        /* Longtime timer */
> -       locomo_writel(0, lchip->base + LOCOMO_LTINT);
> +       __raw_writew(0, lchip->base + LOCOMO_LTINT);
>        /* SPI */
> -       locomo_writel(0, lchip->base + LOCOMO_SPIIE);
> +       __raw_writew(0, lchip->base + LOCOMO_SPIIE);
>
> -       locomo_writel(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD);
> -       r = locomo_readl(lchip->base + LOCOMO_ASD);
> +       __raw_writew(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD);
> +       r = __raw_readw(lchip->base + LOCOMO_ASD);
>        r |= 0x8000;
> -       locomo_writel(r, lchip->base + LOCOMO_ASD);
> +       __raw_writew(r, lchip->base + LOCOMO_ASD);
>
> -       locomo_writel(6 + 8 + 320 + 30 - 10 - 128 + 4, lchip->base + LOCOMO_HSD);
> -       r = locomo_readl(lchip->base + LOCOMO_HSD);
> +       __raw_writew(6 + 8 + 320 + 30 - 10 - 128 + 4, lchip->base + LOCOMO_HSD);
> +       r = __raw_readw(lchip->base + LOCOMO_HSD);
>        r |= 0x8000;
> -       locomo_writel(r, lchip->base + LOCOMO_HSD);
> +       __raw_writew(r, lchip->base + LOCOMO_HSD);
>
> -       locomo_writel(128 / 8, lchip->base + LOCOMO_HSC);
> +       __raw_writew(128 / 8, lchip->base + LOCOMO_HSC);
>
>        /* XON */
> -       locomo_writel(0x80, lchip->base + LOCOMO_TADC);
> +       __raw_writew(0x80, lchip->base + LOCOMO_TADC);
>        udelay(1000);
>        /* CLK9MEN */
> -       r = locomo_readl(lchip->base + LOCOMO_TADC);
> +       r = __raw_readw(lchip->base + LOCOMO_TADC);
>        r |= 0x10;
> -       locomo_writel(r, lchip->base + LOCOMO_TADC);
> +       __raw_writew(r, lchip->base + LOCOMO_TADC);
>        udelay(100);
>
>        /* init DAC */
> -       r = locomo_readl(lchip->base + LOCOMO_DAC);
> +       r = __raw_readw(lchip->base + LOCOMO_DAC);
>        r |= LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
> -       locomo_writel(r, lchip->base + LOCOMO_DAC);
> +       __raw_writew(r, lchip->base + LOCOMO_DAC);
>
> -       r = locomo_readl(lchip->base + LOCOMO_VER);
> +       r = __raw_readw(lchip->base + LOCOMO_VER);
>        printk(KERN_INFO "LoCoMo Chip: %lu%lu\n", (r >> 8), (r & 0xff));
>
>        /*
> @@ -549,19 +550,19 @@ void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir
>
>        spin_lock_irqsave(&lchip->lock, flags);
>
> -       r = locomo_readl(lchip->base + LOCOMO_GPD);
> +       r = __raw_readw(lchip->base + LOCOMO_GPD);
>        if (dir)
>                r |= bits;
>        else
>                r &= ~bits;
> -       locomo_writel(r, lchip->base + LOCOMO_GPD);
> +       __raw_writew(r, lchip->base + LOCOMO_GPD);
>
> -       r = locomo_readl(lchip->base + LOCOMO_GPE);
> +       r = __raw_readw(lchip->base + LOCOMO_GPE);
>        if (dir)
>                r |= bits;
>        else
>                r &= ~bits;
> -       locomo_writel(r, lchip->base + LOCOMO_GPE);
> +       __raw_writew(r, lchip->base + LOCOMO_GPE);
>
>        spin_unlock_irqrestore(&lchip->lock, flags);
>  }
> @@ -577,7 +578,7 @@ int locomo_gpio_read_level(struct device *dev, unsigned int bits)
>                return -ENODEV;
>
>        spin_lock_irqsave(&lchip->lock, flags);
> -       ret = locomo_readl(lchip->base + LOCOMO_GPL);
> +       ret = __raw_readw(lchip->base + LOCOMO_GPL);
>        spin_unlock_irqrestore(&lchip->lock, flags);
>
>        ret &= bits;
> @@ -595,7 +596,7 @@ int locomo_gpio_read_output(struct device *dev, unsigned int bits)
>                return -ENODEV;
>
>        spin_lock_irqsave(&lchip->lock, flags);
> -       ret = locomo_readl(lchip->base + LOCOMO_GPO);
> +       ret = __raw_readw(lchip->base + LOCOMO_GPO);
>        spin_unlock_irqrestore(&lchip->lock, flags);
>
>        ret &= bits;
> @@ -614,12 +615,12 @@ void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set)
>
>        spin_lock_irqsave(&lchip->lock, flags);
>
> -       r = locomo_readl(lchip->base + LOCOMO_GPO);
> +       r = __raw_readw(lchip->base + LOCOMO_GPO);
>        if (set)
>                r |= bits;
>        else
>                r &= ~bits;
> -       locomo_writel(r, lchip->base + LOCOMO_GPO);
> +       __raw_writew(r, lchip->base + LOCOMO_GPO);
>
>        spin_unlock_irqrestore(&lchip->lock, flags);
>  }
> @@ -629,33 +630,33 @@ static void locomo_m62332_sendbit(void *mapbase, int bit)
>  {
>        unsigned int r;
>
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_DATA_HOLD_TIME);     /* 300 nsec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
>
>        if (bit & 1) {
> -               r = locomo_readl(mapbase + LOCOMO_DAC);
> +               r = __raw_readw(mapbase + LOCOMO_DAC);
>                r |=  LOCOMO_DAC_SDAOEB;
> -               locomo_writel(r, mapbase + LOCOMO_DAC);
> +               __raw_writew(r, mapbase + LOCOMO_DAC);
>                udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        } else {
> -               r = locomo_readl(mapbase + LOCOMO_DAC);
> +               r = __raw_readw(mapbase + LOCOMO_DAC);
>                r &=  ~(LOCOMO_DAC_SDAOEB);
> -               locomo_writel(r, mapbase + LOCOMO_DAC);
> +               __raw_writew(r, mapbase + LOCOMO_DAC);
>                udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        }
>
>        udelay(DAC_DATA_SETUP_TIME);    /* 250 nsec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /*  4.0 usec */
>  }
> @@ -673,14 +674,14 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
>
>        /* Start */
>        udelay(DAC_BUS_FREE_TIME);      /* 5.0 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.0 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SDAOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_START_HOLD_TIME);    /* 5.0 usec */
>        udelay(DAC_DATA_HOLD_TIME);     /* 300 nsec */
>
> @@ -691,21 +692,21 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
>        }
>
>        /* Check A bit */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SDAOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
> -       if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {   /* High is error */
> +       if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {    /* High is error */
>                printk(KERN_WARNING "locomo: m62332_senddata Error 1\n");
>                return;
>        }
> @@ -719,21 +720,21 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
>        }
>
>        /* Check A bit */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SDAOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
> -       if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {   /* High is error */
> +       if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {    /* High is error */
>                printk(KERN_WARNING "locomo: m62332_senddata Error 2\n");
>                return;
>        }
> @@ -744,45 +745,45 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
>        }
>
>        /* Check A bit */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SDAOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
> -       if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {   /* High is error */
> +       if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {    /* High is error */
>                printk(KERN_WARNING "locomo: m62332_senddata Error 3\n");
>                return;
>        }
>
>        /* stop */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r &=  ~(LOCOMO_DAC_SCLOEB);
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 300 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4 usec */
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SDAOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_HIGH_SETUP_TIME);    /* 1000 nsec */
>        udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4 usec */
>
> -       r = locomo_readl(mapbase + LOCOMO_DAC);
> +       r = __raw_readw(mapbase + LOCOMO_DAC);
>        r |=  LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
> -       locomo_writel(r, mapbase + LOCOMO_DAC);
> +       __raw_writew(r, mapbase + LOCOMO_DAC);
>        udelay(DAC_LOW_SETUP_TIME);     /* 1000 nsec */
>        udelay(DAC_SCL_LOW_HOLD_TIME);  /* 4.7 usec */
>
> @@ -805,10 +806,10 @@ void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf)
>                locomo_gpio_write(dev->dev.parent, LOCOMO_GPIO_FL_VR, 0);
>
>        spin_lock_irqsave(&lchip->lock, flags);
> -       locomo_writel(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
> +       __raw_writew(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
>        udelay(100);
> -       locomo_writel(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
> -       locomo_writel(bpwf | LOCOMO_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
> +       __raw_writew(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
> +       __raw_writew(bpwf | LOCOMO_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
>        spin_unlock_irqrestore(&lchip->lock, flags);
>  }
>  EXPORT_SYMBOL(locomo_frontlight_set);
> diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
> index 74e51d6..dc90c21 100644
> --- a/arch/arm/include/asm/hardware/locomo.h
> +++ b/arch/arm/include/asm/hardware/locomo.h
> @@ -13,9 +13,6 @@
>  #ifndef _ASM_ARCH_LOCOMO
>  #define _ASM_ARCH_LOCOMO
>
> -#define locomo_writel(val,addr)        ({ *(volatile u16 *)(addr) = (val); })
> -#define locomo_readl(addr)     (*(volatile u16 *)(addr))
> -
>  /* LOCOMO version */
>  #define LOCOMO_VER     0x00
>
> diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
> index b1ab298..01d808e 100644
> --- a/drivers/input/keyboard/locomokbd.c
> +++ b/drivers/input/keyboard/locomokbd.c
> @@ -86,17 +86,17 @@ struct locomokbd {
>  /* helper functions for reading the keyboard matrix */
>  static inline void locomokbd_charge_all(unsigned long membase)
>  {
> -       locomo_writel(0x00FF, membase + LOCOMO_KSC);
> +       __raw_writew(0x00FF, membase + LOCOMO_KSC);
>  }
>
>  static inline void locomokbd_activate_all(unsigned long membase)
>  {
>        unsigned long r;
>
> -       locomo_writel(0, membase + LOCOMO_KSC);
> -       r = locomo_readl(membase + LOCOMO_KIC);
> +       __raw_writew(0, membase + LOCOMO_KSC);
> +       r = __raw_readw(membase + LOCOMO_KIC);
>        r &= 0xFEFF;
> -       locomo_writel(r, membase + LOCOMO_KIC);
> +       __raw_writew(r, membase + LOCOMO_KIC);
>  }
>
>  static inline void locomokbd_activate_col(unsigned long membase, int col)
> @@ -106,7 +106,7 @@ static inline void locomokbd_activate_col(unsigned long membase, int col)
>
>        nset = 0xFF & ~(1 << col);
>        nbset = (nset << 8) + nset;
> -       locomo_writel(nbset, membase + LOCOMO_KSC);
> +       __raw_writew(nbset, membase + LOCOMO_KSC);
>  }
>
>  static inline void locomokbd_reset_col(unsigned long membase, int col)
> @@ -114,7 +114,7 @@ static inline void locomokbd_reset_col(unsigned long membase, int col)
>        unsigned short nbset;
>
>        nbset = ((0xFF & ~(1 << col)) << 8) + 0xFF;
> -       locomo_writel(nbset, membase + LOCOMO_KSC);
> +       __raw_writew(nbset, membase + LOCOMO_KSC);
>  }
>
>  /*
> @@ -141,7 +141,7 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
>                locomokbd_activate_col(membase, col);
>                udelay(KB_DELAY);
>
> -               rowd = ~locomo_readl(membase + LOCOMO_KIB);
> +               rowd = ~__raw_readw(membase + LOCOMO_KIB);
>                for (row = 0; row < KB_ROWS; row++) {
>                        unsigned int scancode, pressed, key;
>
> @@ -194,11 +194,11 @@ static irqreturn_t locomokbd_interrupt(int irq, void *dev_id)
>        struct locomokbd *locomokbd = dev_id;
>        u16 r;
>
> -       r = locomo_readl(locomokbd->base + LOCOMO_KIC);
> +       r = __raw_readw(locomokbd->base + LOCOMO_KIC);
>        if ((r & 0x0001) == 0)
>                return IRQ_HANDLED;
>
> -       locomo_writel(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
> +       __raw_writew(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
>
>        /** wait chattering delay **/
>        udelay(100);
> @@ -222,8 +222,8 @@ static int locomokbd_open(struct input_dev *dev)
>        struct locomokbd *locomokbd = input_get_drvdata(dev);
>        u16 r;
>
> -       r = locomo_readl(locomokbd->base + LOCOMO_KIC) | 0x0010;
> -       locomo_writel(r, locomokbd->base + LOCOMO_KIC);
> +       r = __raw_readw(locomokbd->base + LOCOMO_KIC) | 0x0010;
> +       __raw_writew(r, locomokbd->base + LOCOMO_KIC);
>        return 0;
>  }
>
> @@ -232,8 +232,8 @@ static void locomokbd_close(struct input_dev *dev)
>        struct locomokbd *locomokbd = input_get_drvdata(dev);
>        u16 r;
>
> -       r = locomo_readl(locomokbd->base + LOCOMO_KIC) & ~0x0010;
> -       locomo_writel(r, locomokbd->base + LOCOMO_KIC);
> +       r = __raw_readw(locomokbd->base + LOCOMO_KIC) & ~0x0010;
> +       __raw_writew(r, locomokbd->base + LOCOMO_KIC);
>  }
>
>  static int __devinit locomokbd_probe(struct locomo_dev *dev)
> diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c
> index 1f7c10f..3811492 100644
> --- a/drivers/leds/leds-locomo.c
> +++ b/drivers/leds/leds-locomo.c
> @@ -24,9 +24,9 @@ static void locomoled_brightness_set(struct led_classdev *led_cdev,
>
>        local_irq_save(flags);
>        if (value)
> -               locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
> +               __raw_writew(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
>        else
> -               locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
> +               __raw_writew(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
>        local_irq_restore(flags);
>  }
>
> diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
> index 00a9591..65308f9 100644
> --- a/drivers/video/backlight/locomolcd.c
> +++ b/drivers/video/backlight/locomolcd.c
> @@ -49,13 +49,13 @@ static void locomolcd_on(int comadj)
>        mdelay(10);
>
>        /* TFTCRST | CPSOUT=0 | CPSEN */
> -       locomo_writel(0x01, locomolcd_dev->mapbase + LOCOMO_TC);
> +       __raw_writew(0x01, locomolcd_dev->mapbase + LOCOMO_TC);
>
>        /* Set CPSD */
> -       locomo_writel(6, locomolcd_dev->mapbase + LOCOMO_CPSD);
> +       __raw_writew(6, locomolcd_dev->mapbase + LOCOMO_CPSD);
>
>        /* TFTCRST | CPSOUT=0 | CPSEN */
> -       locomo_writel((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC);
> +       __raw_writew((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC);
>        mdelay(10);
>
>        locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
> @@ -65,7 +65,7 @@ static void locomolcd_on(int comadj)
>  static void locomolcd_off(int comadj)
>  {
>        /* TFTCRST=1 | CPSOUT=1 | CPSEN = 0 */
> -       locomo_writel(0x06, locomolcd_dev->mapbase + LOCOMO_TC);
> +       __raw_writew(0x06, locomolcd_dev->mapbase + LOCOMO_TC);
>        mdelay(1);
>
>        locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0);
> @@ -75,7 +75,7 @@ static void locomolcd_off(int comadj)
>        mdelay(700);
>
>        /* TFTCRST=0 | CPSOUT=0 | CPSEN = 0 */
> -       locomo_writel(0, locomolcd_dev->mapbase + LOCOMO_TC);
> +       __raw_writew(0, locomolcd_dev->mapbase + LOCOMO_TC);
>        locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
>        locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0);
>  }
>



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