[PATCH] include: <io.h>: define (read|write)[bwlq]_relaxed
sha at pengutronix.de
Fri Jun 11 04:30:28 PDT 2021
On Fri, Jun 11, 2021 at 10:01:55AM +0200, Ahmad Fatoum wrote:
> For Linux, It's always correct to substitute any of the read or
> write _relaxed functions with their non relaxed counterpart.
> Define functions that do this.
> Unlike with Linux, they doesn't per se affect performance: barebox
> writel doesn't imply memory barriers, instead it depends on
> the architecture support to map IO memory regions as non-bufferable.
> Signed-off-by: Ahmad Fatoum <ahmad at a3f.at>
> drivers/clk/rockchip/clk.h | 3 ---
> drivers/gpio/gpio-davinci.c | 3 ---
> drivers/regulator/stm32-vrefbuf.c | 4 +---
> drivers/spi/atmel-quadspi.c | 3 ---
> include/io.h | 32 +++++++++++++++++++++++++++++++
> 5 files changed, 33 insertions(+), 12 deletions(-)
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