dm: ahci: Correct uclass private data
authorSimon Glass <sjg@chromium.org>
Tue, 4 Jul 2017 19:31:22 +0000 (13:31 -0600)
committerJaehoon Chung <jh80.chung@samsung.com>
Tue, 1 Aug 2017 02:58:01 +0000 (11:58 +0900)
This is expected to be attached to the uclass and the code operates that
way, but the uclass has not been updated. Fix it to avoid using memory at
address 0.

Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: 47fc61a (dm: ahci: Drop use of probe_ent)

drivers/ata/ahci-uclass.c
drivers/ata/ahci.c

index 7b8c326..71600fe 100644 (file)
@@ -6,9 +6,11 @@
  */
 
 #include <common.h>
+#include <ahci.h>
 #include <dm.h>
 
 UCLASS_DRIVER(ahci) = {
        .id             = UCLASS_AHCI,
        .name           = "ahci",
+       .per_device_auto_alloc_size = sizeof(struct ahci_uc_priv),
 };
index 7c56f57..5e4df19 100644 (file)
@@ -935,7 +935,7 @@ static int ahci_scsi_exec(struct udevice *dev, struct scsi_cmd *pccb)
 {
        struct ahci_uc_priv *uc_priv;
 #ifdef CONFIG_DM_SCSI
-       uc_priv = dev_get_uclass_priv(dev);
+       uc_priv = dev_get_uclass_priv(dev->parent);
 #else
        uc_priv = probe_ent;
 #endif