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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-18 21:50:55 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-18 21:50:55 +0100 |
| commit | d90f351a9bec6af3e8e7cefbbff94072461c3c9a (patch) | |
| tree | 71db07e8820b63a60fefcd7e3d1f044450a4b55d /drivers/mmc/host/atmel-mci.c | |
| parent | Merge branch 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff) | |
| parent | mmc: atmel: get rid of struct mci_dma_data (diff) | |
| download | linux-d90f351a9bec6af3e8e7cefbbff94072461c3c9a.tar.xz linux-d90f351a9bec6af3e8e7cefbbff94072461c3c9a.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 updates from Hans-Christian Noren Egtvedt.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
mmc: atmel: get rid of struct mci_dma_data
mmc: atmel-mci: restore dma on AVR32
avr32: wire up missing syscalls
avr32: wire up accept4 syscall
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index a36ebdae2388..851ccd9ac868 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/types.h> -#include <linux/platform_data/mmc-atmel-mci.h> #include <linux/mmc/host.h> #include <linux/mmc/sdio.h> @@ -2439,6 +2438,23 @@ static int atmci_configure_dma(struct atmel_mci *host) { host->dma.chan = dma_request_slave_channel_reason(&host->pdev->dev, "rxtx"); + + if (PTR_ERR(host->dma.chan) == -ENODEV) { + struct mci_platform_data *pdata = host->pdev->dev.platform_data; + dma_cap_mask_t mask; + + if (!pdata->dma_filter) + return -ENODEV; + + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + host->dma.chan = dma_request_channel(mask, pdata->dma_filter, + pdata->dma_slave); + if (!host->dma.chan) + host->dma.chan = ERR_PTR(-ENODEV); + } + if (IS_ERR(host->dma.chan)) return PTR_ERR(host->dma.chan); |