static int setup_gpios_for_copro()

in fsi-master-ast-cf.c [788:820]

• 28 lines of code
• 4 McCabe index (conditional complexity)

static int setup_gpios_for_copro(struct fsi_master_acf *master)
{

	int rc;

	/* This aren't under ColdFire control, just set them up appropriately */
	gpiod_direction_output(master->gpio_mux, 1);
	gpiod_direction_output(master->gpio_enable, 1);

	/* Those are under ColdFire control, let it configure them */
	rc = aspeed_gpio_copro_grab_gpio(master->gpio_clk, &master->gpio_clk_vreg,
					 &master->gpio_clk_dreg, &master->gpio_clk_bit);
	if (rc) {
		dev_err(master->dev, "failed to assign clock gpio to coprocessor\n");
		return rc;
	}
	rc = aspeed_gpio_copro_grab_gpio(master->gpio_data, &master->gpio_dat_vreg,
					 &master->gpio_dat_dreg, &master->gpio_dat_bit);
	if (rc) {
		dev_err(master->dev, "failed to assign data gpio to coprocessor\n");
		aspeed_gpio_copro_release_gpio(master->gpio_clk);
		return rc;
	}
	rc = aspeed_gpio_copro_grab_gpio(master->gpio_trans, &master->gpio_tra_vreg,
					 &master->gpio_tra_dreg, &master->gpio_tra_bit);
	if (rc) {
		dev_err(master->dev, "failed to assign trans gpio to coprocessor\n");
		aspeed_gpio_copro_release_gpio(master->gpio_clk);
		aspeed_gpio_copro_release_gpio(master->gpio_data);
		return rc;
	}
	return 0;
}