On Wed, 16 Apr 2014, Sourav Poddar wrote:
> The patch adds the following to the omap hdq driver.
> 1. HDQ Device reset call in probe.
> 2. Enabling '1 wire mode' and checking for presence pulse bit.
> 3. Proper disabling and enabling of interrupts during read path.
> 4. Add re-initialization code during SKIP ROM command execution.
> 5. Miscellaneous cleanup(formatting, return error checks).
>
> Signed-off-by: Sourav Poddar <sourav.pod...@ti.com>
> ---
> drivers/w1/masters/omap_hdq.c | 85
> ++++++++++++++++++++++++++++++++---------
> 1 file changed, 68 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
> index 9900e8e..0a7bf7f 100644
> --- a/drivers/w1/masters/omap_hdq.c
> +++ b/drivers/w1/masters/omap_hdq.c
...
> @@ -115,6 +116,15 @@ static inline u8 hdq_reg_merge(struct hdq_data
> *hdq_data, u32 offset,
> return new_val;
> }
>
> +static void hdq_disable_interrupt(struct hdq_data *hdq_data, u32 offset,
> + u8 mask)
> +{
> + u32 ie;
> +
> + ie = readl(hdq_data->hdq_base + offset);
> + writel(ie & mask, hdq_data->hdq_base + offset);
> +}
> +
Does this function really need to take offset and mask arguments? Won't
they always be constant, and therefore, no need to pass them?
- Paul
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