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3 Commits

Author SHA1 Message Date
Patrice Chotard c5c1756c68 mtd: stm32: use parameter instead of default value 
To set wait state, a hard coded value is used instead of using
latency parameter. stm32_flash_latency_cfg() is currently used
in arch/arm/mach-stm32/stm32f4/clock.c and in
drivers/clk/clk_stm32f7.c with, in both case, "5" as parameter.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
 2017-07-10 14:26:05 -04:00
Vikas Manocha 9082517a85 stm32: stm32_flash: add memory barrier during flash write 
After writing data to flash space, next instruction is checking if flash
controller is busy writing to the flash memory. Memory barrier is required here
to avoid transaction re-ordering for data write and busy status check.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
 2016-04-11 20:48:23 -04:00
Vikas Manocha 9ecb0c416c stm32: stm32f4: move flash driver to mtd driver location 
Same flash driver can be used by other stm32 families like stm32f7.
Better place for this driver would be mtd driver location.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
 2016-03-26 18:49:28 -04:00