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bcm2835-mmc: Fix DMA usage

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The previous change ("bcm2835-mmc: Only claim one DMA channel")
used an incorrect variable, the effect of which was to prevent
DMA from being used at all. Fix that bug by using the right
variable.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
This commit is contained in:
Phil Elwell
2017-07-14 12:59:55 +01:00
parent 1ee0a81110
commit cfa29b46af
1 changed files with 3 additions and 3 deletions
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6
drivers/mmc/host/bcm2835-mmc.c
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@@ -1354,14 +1354,14 @@ static int bcm2835_mmc_add_host(struct bcm2835_host *host)
if (ret == 0) {
host->dma_cfg_rx = cfg;
host->use_dma = true;
host->have_dma = true;
} else {
pr_err("%s: unable to configure DMA channel. "
"Faling back to PIO\n",
"Falling back to PIO\n",
mmc_hostname(mmc));
dma_release_channel(host->dma_chan_rxtx);
host->dma_chan_rxtx = NULL;
host->use_dma = false;
host->have_dma = false;
}
}
#endif