diff options
| author | Pavan Kunapuli <pkunapuli@nvidia.com> | 2013-04-04 17:52:31 +0530 |
|---|---|---|
| committer | Mrutyunjay Sawant <msawant@nvidia.com> | 2013-04-10 03:50:00 -0700 |
| commit | d93ba8bd5d993d51024571a25a2d9d1649752bbf (patch) | |
| tree | 8c9f8c6d41c530a428023b1b98c09c66a334645e /drivers/mmc | |
| parent | 18a8df49d7fc837cc805ef2b0601d3a301915060 (diff) | |
mmc: sdio: Register for device frequency scaling
If CONFIG_MMC_FREQ_SCALING is enabled, register for device frequency
scaling.
Bug 1238045
Change-Id: I11bb807a4658246b18fa41b4e59c63271c5c00f0
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-on: http://git-master/r/213013
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Naveen Kumar Arepalli <naveenk@nvidia.com>
Tested-by: Naveen Kumar Arepalli <naveenk@nvidia.com>
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 451b2a404a48..497e1403bd79 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -828,6 +828,16 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, finish: if (!oldcard) host->card = card; + +#ifdef CONFIG_MMC_FREQ_SCALING + /* + * This implementation is still in experimental phase. So, don't fail + * enumeration even if dev freq init fails. + */ + if (mmc_devfreq_init(host)) + dev_info(mmc_dev(host), + "Device frequency scaling initialization failed %d\n", err); +#endif return 0; remove: @@ -855,6 +865,10 @@ static void mmc_sdio_remove(struct mmc_host *host) } } +#ifdef CONFIG_MMC_FREQ_SCALING + mmc_devfreq_deinit(host); +#endif + mmc_remove_card(host->card); host->card = NULL; } |