From: xypron.glpk@gmx.de Date: Tue, 20 Jun 2017 19:10:27 +0000 (+0000) Subject: efi_loader: disk: iterate only over valid block devices X-Git-Tag: v2017.09-rc1~13^2~32 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=70bfcdc6bb6f969babd69efc49e1dc7a1faeca54;p=u-boot efi_loader: disk: iterate only over valid block devices The efi_loader currently stops iterating over the available block devices stopping at the first device that fails. This may imply that no block device is found. With the patch efi_loader only iterates over valid devices. It is based on patch 06d592bf52f6 (dm: core: Add uclass_first/next_device_check()) which is currently in u-boot-dm.git. For testing I used an odroid-c2 with a dts including &sd_emmc_a { status = "okay"; }; This device does not exist on the board and cannot be initialized. Without the patch: => bootefi hello ## Starting EFI application at 01000000 ... WARNING: Invalid device tree, expect boot to fail mmc_init: -95, time 1806 Found 0 disks Hello, world! ## Application terminated, r = 0 With the patch: => bootefi hello ## Starting EFI application at 01000000 ... WARNING: Invalid device tree, expect boot to fail mmc_init: -95, time 1806 Scanning disk mmc@70000.blk... Scanning disk mmc@72000.blk... Card did not respond to voltage select! mmc_init: -95, time 9 Scanning disk mmc@74000.blk... Found 3 disks Hello, world! ## Application terminated, r = 0 Signed-off-by: Heinrich Schuchardt Reviewed-by: Andreas Färber Signed-off-by: Alexander Graf --- diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index 3ad7706472..7f8970496f 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -266,9 +266,9 @@ int efi_disk_register(void) #ifdef CONFIG_BLK struct udevice *dev; - for (uclass_first_device(UCLASS_BLK, &dev); + for (uclass_first_device_check(UCLASS_BLK, &dev); dev; - uclass_next_device(&dev)) { + uclass_next_device_check(&dev)) { struct blk_desc *desc = dev_get_uclass_platdata(dev); const char *if_typename = dev->driver->name;