diff options
| author | Sandeep Singh <Sandeep@freescale.com> | 2013-12-02 12:28:00 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2014-01-20 15:49:42 (GMT) |
| commit | 17be34db5454c527c11b62f75df7dabd550ab9cb (patch) | |
| tree | e05c9ebdb26dde1779c731bd108f6e2badec4c1e /drivers/tdm | |
| parent | d191e51acb0c1876dfb98936cdaec34627b6f5e2 (diff) | |
| download | linux-fsl-qoriq-17be34db5454c527c11b62f75df7dabd550ab9cb.tar.xz | |
tdm: Added module param to enable loopback mode
module param "loopback" if set will configure tdm device
to initialize in loopback mode.
Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
Change-Id: I74b19ea2dd07a15672d71a6da0273d9aba69ddd3
Reviewed-on: http://git.am.freescale.net:8181/7000
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
Diffstat (limited to 'drivers/tdm')
| -rw-r--r-- | drivers/tdm/device/tdm_fsl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tdm/device/tdm_fsl.c b/drivers/tdm/device/tdm_fsl.c index 69b535b..8140a06 100644 --- a/drivers/tdm/device/tdm_fsl.c +++ b/drivers/tdm/device/tdm_fsl.c @@ -50,6 +50,11 @@ #define DRV_DESC "Freescale TDM Driver Adapter" #define DRV_NAME "fsl_tdm" +int loopback; +module_param(loopback, int, 0); +MODULE_PARM_DESC(loopback, "Enable TDM in loopback mode." + " Enable=1, Disable=0(default)"); + static int tdmen = 1; module_param(tdmen, int, S_IRUSR); @@ -419,6 +424,8 @@ static int tdm_fsl_reg_init(struct tdm_priv *priv) tx_tcd_init(priv); rx_tcd_init(priv); + adap->adapt_cfg.loopback = loopback; + /* TDM RD->TD loopback, Share T/R Fsync,Clock */ if (adap->adapt_cfg.loopback) out_be32(&priv->tdm_regs->gir, GIR_LPBK | GIR_RTS); |