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stm32/f1/gpio: use |= instead of = when setting up registers

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This commit is contained in:
Jeff Ciesielski 2012-10-19 16:33:38 -07:00
parent 32924fcc15
commit 1cb373464c
1 changed files with 2 additions and 2 deletions
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4
lib/stm32/f1/gpio.c
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@ -292,7 +292,7 @@ value cannot be ascertained from the hardware.
*/ */
void gpio_primary_remap(u8 swjdisable, u32 maps) void gpio_primary_remap(u8 swjdisable, u32 maps)
{ {
AFIO_MAPR = swjdisable | (maps & 0x1FFFFF); AFIO_MAPR |= swjdisable | (maps & 0x1FFFFF);
} }
/*-----------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------*/
@ -310,7 +310,7 @@ The AFIO remapping feature is used only with the STM32F10x series.
*/ */
void gpio_secondary_remap(u32 maps) void gpio_secondary_remap(u32 maps)
{ {
AFIO_MAPR2 = maps; AFIO_MAPR2 |= maps;
} }
/**@}*/ /**@}*/