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staging: mt7621-mmc: Remove unused function msdc_dma_dump

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The msdc_dma_dump function is disabled by a preprocessor macro, was
only used in the msdc_dma_setup function. The code also contains no
information about the device, it only dumps some memory for debug.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Lütke-Stetzkamp 2018-04-18 17:27:32 +02:00 • committed by Greg Kroah-Hartman
parent 75744bc711
commit f4516eb54c
1 changed files with 0 additions and 61 deletions
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61
drivers/staging/mt7621-mmc/sd.c
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@ -1246,63 +1246,6 @@ static void msdc_dma_stop(struct msdc_host *host)
N_MSG(DMA, "DMA stop");
}
#if 0 /* --- by chhung */
/* dump a gpd list */
static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma)
{
struct gpd *gpd = dma->gpd;
struct bd *bd = dma->bd;
struct bd *ptr;
int i = 0;
int p_to_v;
if (dma->mode != MSDC_MODE_DMA_DESC)
return;
ERR_MSG("try to dump gpd and bd");
/* dump gpd */
ERR_MSG(".gpd<0x%.8x> gpd_phy<0x%.8x>", (int)gpd, (int)dma->gpd_addr);
ERR_MSG("...hwo <%d>", gpd->hwo);
ERR_MSG("...bdp <%d>", gpd->bdp);
ERR_MSG("...chksum<0x%.8x>", gpd->chksum);
//ERR_MSG("...intr <0x%.8x>", gpd->intr );
ERR_MSG("...next <0x%.8x>", (int)gpd->next);
ERR_MSG("...ptr <0x%.8x>", (int)gpd->ptr);
ERR_MSG("...buflen<0x%.8x>", gpd->buflen);
//ERR_MSG("...extlen<0x%.8x>", gpd->extlen );
//ERR_MSG("...arg <0x%.8x>", gpd->arg );
//ERR_MSG("...blknum<0x%.8x>", gpd->blknum );
//ERR_MSG("...cmd <0x%.8x>", gpd->cmd );
/* dump bd */
ERR_MSG(".bd<0x%.8x> bd_phy<0x%.8x> gpd_ptr<0x%.8x>", (int)bd, (int)dma->bd_addr, (int)gpd->ptr);
ptr = bd;
p_to_v = ((u32)bd - (u32)dma->bd_addr);
while (1) {
ERR_MSG(".bd[%d]", i); i++;
ERR_MSG("...eol <%d>", ptr->eol);
ERR_MSG("...chksum<0x%.8x>", ptr->chksum);
//ERR_MSG("...blkpad<0x%.8x>", ptr->blkpad );
//ERR_MSG("...dwpad <0x%.8x>", ptr->dwpad );
ERR_MSG("...next <0x%.8x>", (int)ptr->next);
ERR_MSG("...ptr <0x%.8x>", (int)ptr->ptr);
ERR_MSG("...buflen<0x%.8x>", (int)ptr->buflen);
if (ptr->eol == 1)
break;
/* find the next bd, virtual address of ptr->next */
/* don't need to enable when use malloc */
//BUG_ON( (ptr->next + p_to_v)!=(ptr+1) );
//ERR_MSG(".next bd<0x%.8x><0x%.8x>", (ptr->next + p_to_v), (ptr+1));
ptr++;
}
ERR_MSG("dump gpd and bd finished");
}
#endif /* end of --- */
/* calc checksum */
static u8 msdc_dma_calcs(u8 *buf, u32 len)
{
@ -1415,10 +1358,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
N_MSG(DMA, "DMA mode<%d> sglen<%d> xfersz<%d>", dma->mode, dma->sglen, dma->xfersz);
msdc_dma_config(host, dma);
/*if (dma->mode == MSDC_MODE_DMA_DESC) {
//msdc_dma_dump(host, dma);
} */
}
/* set block number before send command */