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Diff: targets/TARGET_NUVOTON/TARGET_M480/spi_api.c
- Revision:
- 176:447f873cad2f
- Parent:
- 172:7d866c31b3c5
--- a/targets/TARGET_NUVOTON/TARGET_M480/spi_api.c Wed Oct 11 12:45:49 2017 +0100
+++ b/targets/TARGET_NUVOTON/TARGET_M480/spi_api.c Wed Oct 25 14:53:38 2017 +0100
@@ -461,25 +461,6 @@
return (spi_base->CTL & SPI_CTL_SPIEN_Msk);
}
-int spi_allow_powerdown(void)
-{
- uint32_t modinit_mask = spi_modinit_mask;
- while (modinit_mask) {
- int spi_idx = nu_ctz(modinit_mask);
- const struct nu_modinit_s *modinit = spi_modinit_tab + spi_idx;
- if (modinit->modname != NC) {
- SPI_T *spi_base = (SPI_T *) NU_MODBASE(modinit->modname);
- // Disallow entering power-down mode if SPI transfer is enabled.
- if (spi_base->CTL & SPI_CTL_SPIEN_Msk) {
- return 0;
- }
- }
- modinit_mask &= ~(1 << spi_idx);
- }
-
- return 1;
-}
-
static int spi_writeable(spi_t * obj)
{
// Receive FIFO must not be full to avoid receive FIFO overflow on next transmit/receive
