iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: fsmc_nand: Add clk_{un}prepare() support

Browse Source 
clk_{un}prepare is mandatory for platforms using common clock framework. Since
this driver is used by SPEAr platform, which supports common clock framework,
add clk_{un}prepare() support for it.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Viresh Kumar 2012-04-17 17:07:57 +05:30 committed by David Woodhouse
parent c0010eb5c9
commit e25da1c07d
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/mtd/nand/fsmc_nand.c
View File

@ -994,9 +994,9 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
return PTR_ERR(host->clk); return PTR_ERR(host->clk);
} }
ret = clk_enable(host->clk); ret = clk_prepare_enable(host->clk);
if (ret) if (ret)
goto err_clk_enable; goto err_clk_prepare_enable;
/* /*
* This device ID is actually a common AMBA ID as used on the * This device ID is actually a common AMBA ID as used on the
@ -1176,8 +1176,8 @@ err_req_write_chnl:
if (host->mode == USE_DMA_ACCESS) if (host->mode == USE_DMA_ACCESS)
dma_release_channel(host->read_dma_chan); dma_release_channel(host->read_dma_chan);
err_req_read_chnl: err_req_read_chnl:
clk_disable(host->clk); clk_disable_unprepare(host->clk);
err_clk_enable: err_clk_prepare_enable:
clk_put(host->clk); clk_put(host->clk);
return ret; return ret;
} }
@ -1198,7 +1198,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
dma_release_channel(host->write_dma_chan); dma_release_channel(host->write_dma_chan);
dma_release_channel(host->read_dma_chan); dma_release_channel(host->read_dma_chan);
} }
clk_disable(host->clk); clk_disable_unprepare(host->clk);
clk_put(host->clk); clk_put(host->clk);
} }
@ -1210,7 +1210,7 @@ static int fsmc_nand_suspend(struct device *dev)
{ {
struct fsmc_nand_data *host = dev_get_drvdata(dev); struct fsmc_nand_data *host = dev_get_drvdata(dev);
if (host) if (host)
clk_disable(host->clk); clk_disable_unprepare(host->clk);
return 0; return 0;
} }
@ -1218,7 +1218,7 @@ static int fsmc_nand_resume(struct device *dev)
{ {
struct fsmc_nand_data *host = dev_get_drvdata(dev); struct fsmc_nand_data *host = dev_get_drvdata(dev);
if (host) { if (host) {
clk_enable(host->clk); clk_prepare_enable(host->clk);
fsmc_nand_setup(host->regs_va, host->bank, fsmc_nand_setup(host->regs_va, host->bank,
host->nand.options & NAND_BUSWIDTH_16, host->nand.options & NAND_BUSWIDTH_16,
host->dev_timings); host->dev_timings);