drivers: Replace DEV_NOT_CONFIG by -EPERM

This patch replaces all occurences of the macro DEV_NOT_CONFIG by
-EPERM at the driver level. This patch is part of the effort to
transition from DEV_* codes to errno.h codes.

Change-Id: I3054c8aa76319a58a2eec089b8a72bf301c85391
Signed-off-by: Andre Guedes <andre.guedes@intel.com>

drivers/adc/adc_ti_adc108s102.c

@@ -223,7 +223,7 @@ int ti_adc108s102_init(struct device *dev)
 
 	adc->spi = device_get_binding((char *)config->spi_port);
 	if (!adc->spi) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	DBG("ADC108s102 initialized\n");

drivers/ethernet/eth_dw.c

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <errno.h>
+
 #include <nanokernel.h>
 #include <sys_io.h>
 #include <board.h>
@@ -207,7 +209,7 @@ static int eth_initialize(struct device *port)
 	} mac_addr;
 
 	if (!eth_setup(port))
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 
 	base_addr = config->base_addr;
 

drivers/gpio/gpio_dw.c

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <errno.h>
+
 #include <nanokernel.h>
 #include <gpio.h>
 #include "gpio_dw.h"
@@ -390,7 +392,7 @@ int gpio_dw_initialize(struct device *port)
 	uint32_t base_addr;
 
 	if (!gpio_dw_setup(port)) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	base_addr = config->base_addr;

drivers/grove/lcd_rgb.c

@@ -13,6 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+#include <errno.h>
+
 #include <nanokernel.h>
 #include <arch/cpu.h>
 
@@ -285,7 +288,7 @@ int glcd_initialize(struct device *port)
 			CONFIG_GROVE_LCD_RGB_I2C_MASTER_DEV_NAME);
 
 	if (!dev->i2c) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	/*

drivers/i2c/i2c_dw.c

@@ -686,7 +686,7 @@ int i2c_dw_initialize(struct device *port)
 	volatile struct i2c_dw_registers *regs;
 
 	if (!i2c_dw_pci_setup(port)) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	device_sync_call_init(&dev->sync);
@@ -698,7 +698,7 @@ int i2c_dw_initialize(struct device *port)
 		port->driver_api = NULL;
 		DBG("I2C: DesignWare magic key not found, check base address.");
 		DBG(" Stopping initialization\n");
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	port->driver_api = &funcs;
@@ -721,7 +721,7 @@ int i2c_dw_initialize(struct device *port)
 	if (i2c_dw_runtime_configure(port, dev->app_config.raw) != 0) {
 		DBG("I2C: Cannot set default configuration 0x%x\n",
 		    dev->app_config.raw);
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	dev->state = I2C_DW_STATE_READY;

drivers/i2c/i2c_quark_se_ss.c

@@ -635,7 +635,7 @@ int i2c_qse_ss_initialize(struct device *dev)
 	if (i2c_qse_ss_runtime_configure(dev, dw->app_config.raw) != 0) {
 		DBG("I2C_SS: Cannot set default configuration 0x%x\n",
 		    dw->app_config.raw);
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	dw->state = I2C_QSE_SS_STATE_READY;

drivers/pinmux/pinmux_k64.c

@@ -198,7 +198,7 @@ static int _fsl_k64_set_pin(struct device *dev,
 		if (status != 0) {
 			return status;
 		} else if (gpio_dev == NULL) {
-			return DEV_NOT_CONFIG;
+			return -EPERM;
 		}
 
 		if (func & K64_PINMUX_GPIO_DIR_OUTPUT) {
@@ -265,7 +265,7 @@ static int _fsl_k64_get_pin(struct device *dev,
 		if (status != 0) {
 			return status;
 		} else if (gpio_dev == NULL) {
-			return DEV_NOT_CONFIG;
+			return -EPERM;
 		}
 
 		cfg = gpio_dev->config->config_info;

drivers/pwm/pwm_pca9685.c

@@ -214,7 +214,7 @@ int pwm_pca9685_init(struct device *dev)
 
 	ret = i2c_write(i2c_master, buf, 2, config->i2c_slave_addr);
 	if (ret != 0) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	return 0;

drivers/spi/spi_dw.c

@@ -382,7 +382,7 @@ int spi_dw_init(struct device *dev)
 #ifndef CONFIG_SOC_QUARK_SE_SS
 	if (read_ssi_comp_version(info->regs) != DW_SSI_COMP_VERSION) {
 		_clock_off(dev);
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 #endif
 

drivers/spi/spi_intel.c

@@ -406,7 +406,7 @@ int spi_intel_init(struct device *dev)
 	dev->driver_api = &intel_spi_api;
 
 	if (!spi_intel_setup(dev)) {
-		return DEV_NOT_CONFIG;
+		return -EPERM;
 	}
 
 	info->config_func();