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| author | Bin Meng <bmeng.cn@gmail.com> | 2018-10-24 16:36:32 +0300 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-11-14 20:16:28 +0300 |
| commit | 223b10ca7a6b1d35db9c775033895969b132ad56 (patch) | |
| tree | 5ee23d4067e5c30e4985a248496b0d74a9f47052 /drivers/pinctrl/nxp | |
| parent | e0cfc20984a7ffbe5cb86a0c95ab5bf6287602b4 (diff) | |
| download | u-boot-223b10ca7a6b1d35db9c775033895969b132ad56.tar.xz | |
mmc: omap: Surround DM_FLAG_PRE_RELOC flag with OF_CONTROL check
When a driver declares DM_FLAG_PRE_RELOC flag, it wishes to be
bound before relocation. However due to a bug in the DM core,
the flag only takes effect when devices are statically declared
via U_BOOT_DEVICE(). This bug has been fixed recently by commit
"dm: core: Respect drivers with the DM_FLAG_PRE_RELOC flag in
lists_bind_fdt()", but with the fix, it has a side effect that
all existing drivers that declared DM_FLAG_PRE_RELOC flag will
be bound before relocation now. This may expose potential boot
failure on some boards due to insufficient memory during the
pre-relocation stage.
To mitigate this potential impact, the following changes are
implemented:
- Remove DM_FLAG_PRE_RELOC flag in the driver, if the driver
only supports configuration from device tree (OF_CONTROL)
- Keep DM_FLAG_PRE_RELOC flag in the driver only if the device
is statically declared via U_BOOT_DEVICE()
- Surround DM_FLAG_PRE_RELOC flag with OF_CONTROL check, for
drivers that support both statically declared devices and
configuration from device tree
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/pinctrl/nxp')
0 files changed, 0 insertions, 0 deletions