PM: add BF60x flash suspend and resume support

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

diff --git a/arch/blackfin/mach-bf609/boards/ezkit.c b/arch/blackfin/mach-bf609/boards/ezkit.c
index 9f9f597..36fbdac 100644 (file)
--- a/arch/blackfin/mach-bf609/boards/ezkit.c
+++ b/arch/blackfin/mach-bf609/boards/ezkit.c
@@ -677,10 +677,25 @@ int bf609_nor_flash_init(struct platform_device *dev)
        return 0;
 }
 
+void bf609_nor_flash_exit(struct platform_device *dev)
+{
+       const unsigned short pins[] = {
+               P_A3, P_A4, P_A5, P_A6, P_A7, P_A8, P_A9, P_A10, P_A11, P_A12,
+               P_A13, P_A14, P_A15, P_A16, P_A17, P_A18, P_A19, P_A20, P_A21,
+               P_A22, P_A23, P_A24, P_A25, P_NORCK, 0,
+       };
+
+       peripheral_free_list(pins);
+
+       bfin_write32(SMC_GCTL, 0);
+       return 0;
+}
+
 static struct physmap_flash_data ezkit_flash_data = {
        .width      = 2,
        .parts      = ezkit_partitions,
-       .init       = bf609_nor_flash_init,
+       .init       = bf609_nor_flash_init,
+       .exit       = bf609_nor_flash_exit,
        .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 #ifdef CONFIG_ROMKERNEL
        .probe_type = "map_rom",