diff options
| author | Siew Chin Lim <elly.siew.chin.lim@intel.com> | 2020-12-24 13:21:03 +0300 |
|---|---|---|
| committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2021-01-15 12:48:36 +0300 |
| commit | d456dfbaa0d8e43991791723cbcd0b9def95fd8d (patch) | |
| tree | f0611d062687e25e4d47aa8d84ff2a69bf71261b /include/dwmmc.h | |
| parent | 2e54a1d46c143f12653a44c8485e7d8bfd573b1d (diff) | |
| download | u-boot-d456dfbaa0d8e43991791723cbcd0b9def95fd8d.tar.xz | |
mmc: dwmmc: Change designware MMC 'clksel' callback function to return status
Change 'clksel' callback function to allow the code to return a
status.
This patch is a preparation for enabling Arm-Trusted-Firmware (ATF)
in Intel SoC FPGA. This patch does not change functionality.
When using Arm-Trusted-Firmware (ATF) in Intel SoC FPGA, the MMC clock
related register is secure register which is required to be written
via SMC/PCSI call. It is possible that U-Boot fail to write the
register if there is unexpected error between U-Boot and ATF.
As a result, there maybe signal integrity on MMC connection due to
clock. So, the code should reports error to user when 'clksel' fail.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Diffstat (limited to 'include/dwmmc.h')
| -rw-r--r-- | include/dwmmc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/dwmmc.h b/include/dwmmc.h index 51ab74ead3..5fc8ed8395 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -174,7 +174,7 @@ struct dwmci_host { struct mmc *mmc; void *priv; - void (*clksel)(struct dwmci_host *host); + int (*clksel)(struct dwmci_host *host); void (*board_init)(struct dwmci_host *host); /** |