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SubjectRe: [PATCH] mmc: tmio: fix build error if CONFIG_MMC_SDHI is not configured
Hi Axel

On Thu, 30 Jun 2011, Axel Lin wrote:

> Fix below build error:
>
> CC drivers/mmc/host/tmio_mmc_dma.o
> drivers/mmc/host/tmio_mmc_dma.c:192: error: redefinition of 'tmio_mmc_start_dma'
> drivers/mmc/host/tmio_mmc.h:111: error: previous definition of 'tmio_mmc_start_dma' was here
> drivers/mmc/host/tmio_mmc_dma.c:257: error: redefinition of 'tmio_mmc_request_dma'
> drivers/mmc/host/tmio_mmc.h:116: error: previous definition of 'tmio_mmc_request_dma' was here
> drivers/mmc/host/tmio_mmc_dma.c:305: error: redefinition of 'tmio_mmc_release_dma'
> drivers/mmc/host/tmio_mmc.h:122: error: previous definition of 'tmio_mmc_release_dma' was here
> make[3]: *** [drivers/mmc/host/tmio_mmc_dma.o] Error 1
> make[2]: *** [drivers/mmc/host] Error 2
> make[1]: *** [drivers/mmc] Error 2
> make: *** [drivers] Error 2
>
> Signed-off-by: Axel Lin <axel.lin@gmail.com>

This is a known bug and a correct fix for it is this:

http://www.mail-archive.com/linux-mmc@vger.kernel.org/msg07999.html

No idea, why it still hasn't been applied, Chris?

Thanks
Guennadi

> ---
> drivers/mmc/host/tmio_mmc_dma.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
> index a40fdba..4dc563a 100644
> --- a/drivers/mmc/host/tmio_mmc_dma.c
> +++ b/drivers/mmc/host/tmio_mmc_dma.c
> @@ -189,6 +189,7 @@ pio:
> desc, cookie);
> }
>
> +#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
> void tmio_mmc_start_dma(struct tmio_mmc_host *host,
> struct mmc_data *data)
> {
> @@ -200,6 +201,7 @@ void tmio_mmc_start_dma(struct tmio_mmc_host *host,
> tmio_mmc_start_dma_tx(host);
> }
> }
> +#endif
>
> static void tmio_mmc_issue_tasklet_fn(unsigned long priv)
> {
> @@ -254,6 +256,7 @@ static bool tmio_mmc_filter(struct dma_chan *chan, void *arg)
> return true;
> }
>
> +#if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
> void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata)
> {
> /* We can only either use DMA for both Tx and Rx or not use it at all */
> @@ -319,3 +322,4 @@ void tmio_mmc_release_dma(struct tmio_mmc_host *host)
> host->bounce_buf = NULL;
> }
> }
> +#endif
> --
> 1.7.4.1
>
>
>

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/


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