C++ (Cpp) omap2_onenand_calc_async_timings Examples

Example #1

File: gpmc-onenand.c Project: 0-T-0/ps4-linux

static int omap2_onenand_setup_async(void __iomem *onenand_base)
{
	struct gpmc_timings t;
	int ret;

	if (gpmc_onenand_data->of_node) {
		gpmc_read_settings_dt(gpmc_onenand_data->of_node,
				      &onenand_async);
		if (onenand_async.sync_read || onenand_async.sync_write) {
			if (onenand_async.sync_write)
				gpmc_onenand_data->flags |=
					ONENAND_SYNC_READWRITE;
			else
				gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
			onenand_async.sync_read = false;
			onenand_async.sync_write = false;
		}
	}

	omap2_onenand_set_async_mode(onenand_base);

	omap2_onenand_calc_async_timings(&t);

	ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async);
	if (ret < 0)
		return ret;

	ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t, &onenand_async);
	if (ret < 0)
		return ret;

	omap2_onenand_set_async_mode(onenand_base);

	return 0;
}

Example #2

File: gpmc-onenand.c Project: pengdonglin137/linux-4.4_tiny4412

static int omap2_onenand_setup_async(void __iomem *onenand_base)
{
	struct gpmc_timings t;
	int ret;

	/*
	 * Note that we need to keep sync_write set for the call to
	 * omap2_onenand_set_async_mode() to work to detect the onenand
	 * supported clock rate for the sync timings.
	 */
	if (gpmc_onenand_data->of_node) {
		gpmc_read_settings_dt(gpmc_onenand_data->of_node,
				      &onenand_async);
		if (onenand_async.sync_read || onenand_async.sync_write) {
			if (onenand_async.sync_write)
				gpmc_onenand_data->flags |=
					ONENAND_SYNC_READWRITE;
			else
				gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
			onenand_async.sync_read = false;
		}
	}

	onenand_async.sync_write = true;
	omap2_onenand_calc_async_timings(&t);

	ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async);
	if (ret < 0)
		return ret;

	ret = gpmc_cs_set_timings(gpmc_onenand_data->cs, &t, &onenand_async);
	if (ret < 0)
		return ret;

	omap2_onenand_set_async_mode(onenand_base);

	return 0;
}