[PATCH 0/9] mmc: sdhci: code clean-up and fix cache coherency problem.

[Peng Fan]

Hi Masahiro,

> Subject: [PATCH 0/9] mmc: sdhci: code clean-up and fix cache coherency
> problem.

CI, build fail, please give a check.

      mips:  +   pic32mzdask
+drivers/mmc/sdhci.c:18:10: fatal error: asm/dma-mapping.h: No such file or directory
+ #include <asm/dma-mapping.h>
+          ^~~~~~~~~~~~~~~~~~~
+compilation terminated.
+make[3]: *** [drivers/mmc/sdhci.o] Error 1
+make[2]: *** [drivers/mmc] Error 2
+make[1]: *** [drivers] Error 2
+make: *** [sub-make] Error 2

Thanks,
Peng.

> 
> 
> My main motivation of this series is the last patch
> "mmc: sdhci: fix missing cache invalidation after reading by DMA".
> 
> Currently, read data are occasionally corrupted due to the missing cache
> invalidation.
> 
> To fix it nicely (adds dma_unmap_single(), which follows the Linux coding
> style), I did some cleaups first.
> 
> Patch 01 and 02 fix the prototypes of dma_{map,unmap}_single().
> 
> Patch 03-08 are code clean-ups.
> 
> Patch 09 fixes the bug.
> 
> 
> 
> Masahiro Yamada (9):
>   dma-mapping: fix the prototype of dma_map_single()
>   dma-mapping: fix the prototype of dma_unmap_single()
>   mmc: sdhci: put the aligned buffer pointer to struct sdhci_host
>   mmc: sdhci: reduce code duplication for aligned buffer
>   mmc: sdhci: use lower_32_bit2() and upper_32_bits() for setting
>     adma_addr
>   mmc: sdhci: remove unneeded casts
>   mmc: add mmc_get_dma_dir() helper
>   mmc: sdhci: use dma_map_single() instead of flush_cache() before DMA
>   mmc: sdhci: fix missing cache invalidation after reading by DMA
> 
>  arch/arm/include/asm/dma-mapping.h   |  9 ++-
>  arch/nds32/include/asm/dma-mapping.h |  9 ++-
> arch/riscv/include/asm/dma-mapping.h |  9 ++-
>  arch/x86/include/asm/dma-mapping.h   |  9 ++-
>  drivers/mmc/sdhci.c                  | 96 +++++++++++++---------------
>  drivers/mmc/tmio-common.c            |  2 +-
>  drivers/mtd/nand/raw/denali.c        |  2 +-
>  drivers/net/macb.c                   |  2 +-
>  drivers/usb/dwc3/core.c              |  6 +-
>  drivers/usb/gadget/udc/udc-core.c    |  2 +-
>  include/mmc.h                        |  6 ++
>  include/sdhci.h                      |  3 +
>  12 files changed, 78 insertions(+), 77 deletions(-)
> 
> --
> 2.17.1