Commit 54e1b4be authored by Meghana Malladi's avatar Meghana Malladi Committed by Jakub Kicinski
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net: ti: icss-iep: Reject perout generation request 



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: c1e0230e ("net: ti: icss-iep: Add IEP driver")
Signed-off-by: default avatarMeghana Malladi <m-malladi@ti.com>
Reviewed-by: default avatarVadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250227092441.1848419-1-m-malladi@ti.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 674fcb4f

drivers/net/ethernet/ti/icssg/icss_iep.c

+1 −20
Original line number Diff line number Diff line
@@ -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)