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net: ti: icss-iep: Reject perout generation request

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IEP driver supports both perout and pps signal generation
but perout feature is faulty with half-cooked support
due to some missing configuration. Remove perout
support from the driver and reject perout requests with
"not supported" error code.

Fixes: c1e0230eea ("net: ti: icss-iep: Add IEP driver")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250227092441.1848419-1-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Meghana Malladi 2025-02-27 14:54:41 +05:30 • committed by Jakub Kicinski
parent 674fcb4f4a
commit 54e1b4becf
1 changed files with 1 additions and 20 deletions
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21
drivers/net/ethernet/ti/icssg/icss_iep.c
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@ -474,26 +474,7 @@ static int icss_iep_perout_enable_hw(struct icss_iep *iep,
static int icss_iep_perout_enable(struct icss_iep *iep,
struct ptp_perout_request *req, int on)
{
int ret = 0;
mutex_lock(&iep->ptp_clk_mutex);
if (iep->pps_enabled) {
ret = -EBUSY;
goto exit;
}
if (iep->perout_enabled == !!on)
goto exit;
ret = icss_iep_perout_enable_hw(iep, req, on);
if (!ret)
iep->perout_enabled = !!on;
exit:
mutex_unlock(&iep->ptp_clk_mutex);
return ret;
return -EOPNOTSUPP;
}
static void icss_iep_cap_cmp_work(struct work_struct *work)