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clock management changes for i.MX

Browse source 
Another simple series related to clock management, this time only for
 imx.
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Merge tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

clock management changes for i.MX

Another simple series related to clock management, this time only for
imx.

* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: mxs: select HAVE_CLK_PREPARE for clock
  clk: add config option HAVE_CLK_PREPARE into Kconfig
  ASoC: mxs-saif: convert to clk_prepare/clk_unprepare
  video: mxsfb: convert to clk_prepare/clk_unprepare
  serial: mxs-auart: convert to clk_prepare/clk_unprepare
  net: flexcan: convert to clk_prepare/clk_unprepare
  mtd: gpmi-lib: convert to clk_prepare/clk_unprepare
  mmc: mxs-mmc: convert to clk_prepare/clk_unprepare
  dma: mxs-dma: convert to clk_prepare/clk_unprepare
  net: fec: add clk_prepare/clk_unprepare
  ARM: mxs: convert platform code to clk_prepare/clk_unprepare
  clk: add helper functions clk_prepare_enable and clk_disable_unprepare

Fix up trivial conflicts in drivers/net/ethernet/freescale/fec.c due to
commit 0ebafefcaa ("net: fec: add clk_prepare/clk_unprepare") clashing
trivially with commit e163cc97f9 ("net/fec: fix the .remove code").
This commit is contained in:
Linus Torvalds 2012-01-09 14:44:15 -08:00
commit 979ecef5b8
17 changed files with 97 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/dma/mxs-dma.c
View file

@ -334,7 +334,7 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)
goto err_irq;
}
ret = clk_enable(mxs_dma->clk);
ret = clk_prepare_enable(mxs_dma->clk);
if (ret)
goto err_clk;
@ -372,7 +372,7 @@ static void mxs_dma_free_chan_resources(struct dma_chan *chan)
dma_free_coherent(mxs_dma->dma_device.dev, PAGE_SIZE,
mxs_chan->ccw, mxs_chan->ccw_phys);
clk_disable(mxs_dma->clk);
clk_disable_unprepare(mxs_dma->clk);
}
static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
@ -578,7 +578,7 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
{
int ret;
ret = clk_enable(mxs_dma->clk);
ret = clk_prepare_enable(mxs_dma->clk);
if (ret)
goto err_out;
@ -604,7 +604,7 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
writel(MXS_DMA_CHANNELS_MASK << MXS_DMA_CHANNELS,
mxs_dma->base + HW_APBHX_CTRL1 + MXS_SET_ADDR);
clk_disable(mxs_dma->clk);
clk_disable_unprepare(mxs_dma->clk);
return 0;