1 files changed, 4 insertions, 2 deletions

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index a9ae7bb108b2..a2e7b96b5e8c 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1181,7 +1181,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
         switch (id) {
         case 0:
                 pdev = &atmel_spi0_device;
-                select_peripheral(PA(0),  PERIPH_A, 0); /* MISO  */
+                /* pullup MISO so a level is always defined */
+                select_peripheral(PA(0),  PERIPH_A, AT32_GPIOF_PULLUP);
                 select_peripheral(PA(1),  PERIPH_A, 0); /* MOSI  */
                 select_peripheral(PA(2),  PERIPH_A, 0); /* SCK   */
                 at32_spi_setup_slaves(0, b, n, spi0_pins);
@@ -1189,7 +1190,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
 
         case 1:
                 pdev = &atmel_spi1_device;
-                select_peripheral(PB(0),  PERIPH_B, 0); /* MISO  */
+                /* pullup MISO so a level is always defined */
+                select_peripheral(PB(0),  PERIPH_B, AT32_GPIOF_PULLUP);
                 select_peripheral(PB(1),  PERIPH_B, 0); /* MOSI  */
                 select_peripheral(PB(5),  PERIPH_B, 0); /* SCK   */
                 at32_spi_setup_slaves(1, b, n, spi1_pins);