commit 9062e97a45e8a85b97e27c74098692553feefc2b
author Erwan Gouriou <erwan.gouriou@linaro.org> Fri Dec 07 11:09:28 2018 +0100
committer Anas Nashif <anas.nashif@intel.com> Fri Dec 07 11:31:48 2018 -0500
tree 4165ab447b0ffbc4427dd2120630163ebc70a0c9
parent f6b014e6dd71c9bc36a76e5ac8a3d7ed715cc2b8

drivers: stm32: check clock_control_on return value

Check clock_control_on return value now that it is checking appropriate
bus is used in the request.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>

drivers/spi/spi_ll_stm32.c

diff --git a/drivers/spi/spi_ll_stm32.c b/drivers/spi/spi_ll_stm32.c
index 3d70d43..103d530 100644
--- a/drivers/spi/spi_ll_stm32.c
+++ b/drivers/spi/spi_ll_stm32.c
@@ -465,8 +465,11 @@
 
 	__ASSERT_NO_MSG(device_get_binding(STM32_CLOCK_CONTROL_NAME));
 
-	clock_control_on(device_get_binding(STM32_CLOCK_CONTROL_NAME),
-			       (clock_control_subsys_t) &cfg->pclken);
+	if (clock_control_on(device_get_binding(STM32_CLOCK_CONTROL_NAME),
+			       (clock_control_subsys_t) &cfg->pclken) != 0) {
+		LOG_ERR("Could not enable SPI clock");
+		return -EIO;
+	}
 
 #ifdef CONFIG_SPI_STM32_INTERRUPT
 	cfg->irq_config(dev);