[PATCH v4 4/7] ARM: sunxi: Add driver for SD/MMC hosts found on Allwinner sunxi SoCs

David Lanzendörfer david.lanzendoerfer at o2s.ch
Mon Feb 10 06:35:13 EST 2014


Hi
> > +            (cmd->opcode == 5 || cmd->opcode == 52))
> Aren't these the ones defined in linux/mmc/sdio.h:
> 5  - SD_IO_SEND_OP_COND
> 52 - SD_IO_RW_DIRECT
Yes. They are...
Changed that.
Also I removed the camel cases and the defines within the struct definition.

> > +struct sunxi_mmc_clk_dly {
> > +    u32 mode;
> > +    u32 oclk_dly;
> > +    u32 sclk_dly;
> Do these members have to be u32? They all seem to be smaller than 10.
Yes. Because of situations where it gets used in bit operations, and shorter
types mess things up and prevent the driver from working ;-)

cheer
david
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