soc/qman: add return value to interrupt coalesce changing APIs (5c664ace) · Commits · 戴 / test

drivers/soc/fsl/qbman/qman.c

+26 −7

Original line number	Diff line number	Diff line
		@@ -36,6 +36,8 @@
		#define MAX_IRQNAME 16 /* big enough for "QMan portal %d" */
		#define QMAN_POLL_LIMIT 32
		#define QMAN_PIRQ_DQRR_ITHRESH 12
		#define QMAN_DQRR_IT_MAX 15
		#define QMAN_ITP_MAX 0xFFF
		#define QMAN_PIRQ_MR_ITHRESH 4
		#define QMAN_PIRQ_IPERIOD 100

		@@ -727,9 +729,15 @@ static inline void qm_dqrr_vdqcr_set(struct qm_portal *portal, u32 vdqcr)
		qm_out(portal, QM_REG_DQRR_VDQCR, vdqcr);
		}

		static inline void qm_dqrr_set_ithresh(struct qm_portal *portal, u8 ithresh)
		static inline int qm_dqrr_set_ithresh(struct qm_portal *portal, u8 ithresh)
		{

		if (ithresh > QMAN_DQRR_IT_MAX)
		return -EINVAL;

		qm_out(portal, QM_REG_DQRR_ITR, ithresh);

		return 0;
		}

		/* --- MR API --- */
		@@ -1012,13 +1020,20 @@ static inline void put_affine_portal(void)

		static struct workqueue_struct *qm_portal_wq;

		void qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh)
		int qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh)
		{
		int res;

		if (!portal)
		return;
		return -EINVAL;

		res = qm_dqrr_set_ithresh(&portal->p, ithresh);
		if (res)
		return res;

		qm_dqrr_set_ithresh(&portal->p, ithresh);
		portal->p.dqrr.ithresh = ithresh;

		return 0;
		}
		EXPORT_SYMBOL(qman_dqrr_set_ithresh);

		@@ -1036,10 +1051,14 @@ void qman_portal_get_iperiod(struct qman_portal portal, u32 iperiod)
		}
		EXPORT_SYMBOL(qman_portal_get_iperiod);

		void qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod)
		int qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod)
		{
		if (portal)
		if (!portal \|\| iperiod > QMAN_ITP_MAX)
		return -EINVAL;

		qm_out(&portal->p, QM_REG_ITPR, iperiod);

		return 0;
		}
		EXPORT_SYMBOL(qman_portal_set_iperiod);

include/soc/fsl/qman.h

+6 −2

Original line number	Diff line number	Diff line
		@@ -1205,8 +1205,10 @@ void qman_dqrr_get_ithresh(struct qman_portal portal, u8 ithresh);
		* qman_dqrr_set_ithresh - Set coalesce interrupt threshold
		* @portal: portal to set the new value on
		* @ithresh: new threshold value
		*
		* Returns 0 on success, or a negative error code.
		*/
		void qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh);
		int qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh);

		/**
		* qman_dqrr_get_iperiod - Get coalesce interrupt period
		@@ -1219,7 +1221,9 @@ void qman_portal_get_iperiod(struct qman_portal portal, u32 iperiod);
		* qman_dqrr_set_iperiod - Set coalesce interrupt period
		* @portal: portal to set the new value on
		* @ithresh: new period value
		*
		* Returns 0 on success, or a negative error code.
		*/
		void qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod);
		int qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod);

		#endif /* __FSL_QMAN_H */

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