Unverified Commit af8432b2 authored by Herve Codina's avatar Herve Codina Committed by Mark Brown
Browse files

soc: fsl: cpm1: qmc: Introduce qmc_chan_count_phandles() 



No function in the QMC API is available to get the number of phandles
present in a phandle list.

Fill this lack introducing qmc_chan_count_phandles().

Signed-off-by: default avatarHerve Codina <herve.codina@bootlin.com>
Link: https://patch.msgid.link/20240701113038.55144-9-herve.codina@bootlin.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 37797c60

drivers/soc/fsl/qe/qmc.c

+13 −0
Original line number Diff line number Diff line
@@ -1777,6 +1777,19 @@ static struct qmc_chan *qmc_chan_get_from_qmc(struct device_node *qmc_np, unsign 
	return qmc_chan;

}



int qmc_chan_count_phandles(struct device_node *np, const char *phandles_name)

{

	int count;



	/* phandles are fixed args phandles with one arg */

	count = of_count_phandle_with_args(np, phandles_name, NULL);

	if (count < 0)

		return count;



	return count / 2;

}

EXPORT_SYMBOL(qmc_chan_count_phandles);



struct qmc_chan *qmc_chan_get_byphandles_index(struct device_node *np,

					       const char *phandles_name,

					       int index)

include/soc/fsl/qe/qmc.h

+2 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ struct device_node; 
struct device;

struct qmc_chan;



int qmc_chan_count_phandles(struct device_node *np, const char *phandles_name);



struct qmc_chan *qmc_chan_get_byphandles_index(struct device_node *np,

					       const char *phandles_name,

					       int index);