diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-03-13 17:11:59 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-05-30 14:34:48 +0100 |
| commit | 29878cdb099a4703b884aa1e0354fedff9766133 (patch) | |
| tree | fb96b8e8db7ec2183f8d374fd9c2451b36c30075 /drivers/mmc | |
| parent | a331e84de8c7f69cf484fcc47713893668e2edeb (diff) | |
mmc: at91/avr32/atmel-mci: fix DMA-channel leak on module unload
commit 91cf54feecf815bec0b6a8d6d9dbd0e219f2f2cc upstream.
Fix regression introduced by commit 796211b7953 ("mmc: atmel-mci: add
pdc support and runtime capabilities detection") which removed the need
for CONFIG_MMC_ATMELMCI_DMA but kept the Kconfig-entry as well as the
compile guards around dma_release_channel() in remove(). Consequently,
DMA is always enabled (if supported), but the DMA-channel is not
released on module unload unless the DMA-config option is selected.
Remove the no longer used CONFIG_MMC_ATMELMCI_DMA option completely.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 2 |
2 files changed, 0 insertions, 12 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index cf444b0ca2c..90233ad5d0c 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -297,16 +297,6 @@ config MMC_ATMELMCI endchoice -config MMC_ATMELMCI_DMA - bool "Atmel MCI DMA support" - depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE - help - Say Y here to have the Atmel MCI driver use a DMA engine to - do data transfers and thus increase the throughput and - reduce the CPU utilization. - - If unsure, say N. - config MMC_IMX tristate "Motorola i.MX Multimedia Card Interface support" depends on ARCH_MX1 diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 093202482e5..4964d03f274 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -2167,10 +2167,8 @@ static int __exit atmci_remove(struct platform_device *pdev) atmci_readl(host, ATMCI_SR); clk_disable(host->mck); -#ifdef CONFIG_MMC_ATMELMCI_DMA if (host->dma.chan) dma_release_channel(host->dma.chan); -#endif free_irq(platform_get_irq(pdev, 0), host); iounmap(host->regs); |