Merge tag 'xilinx-for-v2018.09' of git://git.denx.de/u-boot-microblaze

Xilinx changes for v2018.09

clk:
- Fix zynqmp clock driver

common:
- Handle CMD_RET_USAGE in cmd_process_error
- Use return macros in cmd_process_error
- Fix duplication of CONFIG_SYS_PROMPT_HUSH_PS2
- Support watchdog in usb_kbd.c
- Fix name usage in usb_kbd.c
- Support systems with non zero memory start initialized from DT only

gpio:
- Add support for manual relocation in uclass
- zynq - use live tree
- zynq - fix match data reading
- zynq - setup bank name
- xilinx - convert driver to DM

microblaze:
- Use generic iounmap/ioremap implementations
- Redesign reset logic with sysreset features
- Use watchdog and gpio over DM
- Remove unused macros and fix some checkpatch issues
- Fix timer initialization not to be called twice

serial:
- zynq - Use platdata intead of priv data

sysreset:
- Add support for manual relocation in uclass
- Add gpio-restart driver
- Add microblaze soft reset driver

watchdog:
- Add support for aliases in uclass
- Add support for manual relocation in uclass
- Convert xilinx driver to DM
- cadence - update info in the driver and not stop wdt in probe

xilinx:
- Enable LED gpio for some targets with gpio-leds DT node
- Setup variables via Kconfig

zynq:
- Add support for watchdog aliases
- Add support for mini nand/nor configurations
- Wire FPGA initalization in SPL

zynqmp:
- Enable mass storage for zcu100
- Handle external pmufw files
- Add support for secure images
- Some Kconfig movements and alignments
- Add support for watchdog aliases
- Use subcommands style for platform command
- Add mmio_read/write platform commands
- DT updates
- Add support for mini qspi configuration

1 files changed, 3 insertions, 1 deletions

diff --git a/include/command.h b/include/command.h
index 04cd1e745cb..5b1577f3b47 100644
--- a/include/command.h
+++ b/include/command.h
@@ -67,7 +67,9 @@ extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *
  *
  * @cmdtp: Command which caused the error
  * @err: Error code (0 if none, -ve for error, like -EIO)
- * @return 0 if there is not error, 1 (CMD_RET_FAILURE) if an error is found
+ * @return 0 (CMD_RET_SUCCESX) if there is not error,
+ *	   1 (CMD_RET_FAILURE) if an error is found
+ *	   -1 (CMD_RET_USAGE) if 'usage' error is found
  */
 int cmd_process_error(cmd_tbl_t *cmdtp, int err);