[PATCH v3 2/2] i2c: New bus driver for the Qualcomm QUP I2C controller
Joe Perches
joe at perches.com
Thu Feb 20 19:52:14 EST 2014
On Thu, 2014-02-20 at 16:38 -0800, Bjorn Andersson wrote:
> This bus driver supports the QUP i2c hardware controller in the Qualcomm SOCs.
> The Qualcomm Universal Peripheral Engine (QUP) is a general purpose data path
> engine with input/output FIFOs and an embedded i2c mini-core. The driver
> supports FIFO mode (for low bandwidth applications) and block mode (interrupt
> generated for each block-size data transfer).
trivia:
> diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
[]
> +#ifdef CONFIG_PM_SLEEP
> +static int qup_i2c_suspend(struct device *device)
> +{
> + dev_dbg(device, "system suspend");
> + qup_i2c_pm_suspend_runtime(device);
> + return 0;
> +}
> +
> +static int qup_i2c_resume(struct device *device)
> +{
> + dev_dbg(device, "system resume");
> + qup_i2c_pm_resume_runtime(device);
> + pm_runtime_mark_last_busy(device);
> + pm_request_autosuspend(device);
> + return 0;
> +}
> +#endif
Missing terminating newlines for dev_dbg statements.
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