Hi Gregory,
On Mon, Nov 15, 2010 at 12:20:18PM -0800, Gregory Bean wrote:
> Beginning with the MSM8x60, the hardware block responsible for gpio
> support changes. Provide gpiolib support for the new v2 architecture.
>
> Cc: Baruch Siach <[email protected]>
> Signed-off-by: Gregory Bean <[email protected]>
> ---
[snip]
> +struct msm_gpio_dev {
> + struct gpio_chip gpio_chip;
> +};
This wrapper struct seems redundant. You only use it in msm_gpio_probe, where
you can just use 'struct gpio_chip' directly.
> +static DEFINE_SPINLOCK(tlmm_lock);
> +
> +static inline struct msm_gpio_dev *to_msm_gpio_dev(struct gpio_chip *chip)
> +{
> + return container_of(chip, struct msm_gpio_dev, gpio_chip);
> +}
Not used.
> +static inline void set_gpio_bits(unsigned n, void __iomem *reg)
> +{
> + writel(readl(reg) | n, reg);
> +}
Move the locking in, or better, eliminate it, since it's only used in
msm_gpio_direction_output.
[snip]
> +static struct platform_device msm_device_gpio = {
> + .name = "msmgpio",
> + .id = 0,
Redundant.
> +};
baruch
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