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barriers: Move __DMB() to the new API

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Remove the arch-specific ARM-centric __DMB() macro and use the new
barrier API instead.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
This commit is contained in:
Carlo Caione 2023-05-02 10:12:34 +02:00 • committed by Anas Nashif
commit 2fa807bcd1
14 changed files with 44 additions and 33 deletions
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3
drivers/serial/uart_pl011.c
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@ -14,6 +14,7 @@
#include <zephyr/device.h>
#include <zephyr/drivers/uart.h>
#include <zephyr/sys/device_mmio.h>
#include <zephyr/sys/barrier.h>
#include <zephyr/irq.h>
#if defined(CONFIG_PINCTRL)
#include <zephyr/drivers/pinctrl.h>
@ -212,7 +213,7 @@ static int pl011_set_baudrate(const struct device *dev,
get_uart(dev)->ibrd = bauddiv >> PL011_FBRD_WIDTH;
get_uart(dev)->fbrd = bauddiv & ((1u << PL011_FBRD_WIDTH) - 1u);
__DMB();
barrier_dmem_fence_full();
/* In order to internally update the contents of ibrd or fbrd, a
* lcr_h write must always be performed at the end