nvme: Fix error code and log to indicate busy

Return -EBUSY if controller is found busy rather than -ENOMEM
and update the error message accordingly.

Fixes: 982388eaa991 ("nvme: Add NVM Express driver support")
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Moritz Fischer <moritzf@google.com>

diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c
index c39cd41aa38e3bdc9c9047407cd6a965c12cbff2..ec45f831a36f840e29be0b8a5fb39ee318fc3b69 100644 (file)
--- a/drivers/nvme/nvme.c
+++ b/drivers/nvme/nvme.c
@@ -835,8 +835,8 @@ int nvme_init(struct udevice *udev)
        ndev->udev = udev;
        INIT_LIST_HEAD(&ndev->namespaces);
        if (readl(&ndev->bar->csts) == -1) {
-               ret = -ENODEV;
-               printf("Error: %s: Out of memory!\n", udev->name);
+               ret = -EBUSY;
+               printf("Error: %s: Controller not ready!\n", udev->name);
                goto free_nvme;
        }