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Commit 73356e4e authored by Yangbo Lu's avatar Yangbo Lu Committed by David S. Miller
Browse files

ptp_qoriq: make ptp operations global 



This patch is to make functions of ptp operations global,
so that ENETC PTP driver which is a PCI driver for same
1588 timer IP block could reuse them.

Signed-off-by: default avatarYangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1e562c81

drivers/ptp/ptp_qoriq.c

+16 −11
Original line number Diff line number Diff line
@@ -22,7 +22,6 @@ 


#include <linux/device.h>

#include <linux/hrtimer.h>

#include <linux/interrupt.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/of.h>
@@ -135,7 +134,7 @@ static int extts_clean_up(struct ptp_qoriq *ptp_qoriq, int index, 
 * Interrupt service routine

 */



static irqreturn_t isr(int irq, void *priv)

irqreturn_t ptp_qoriq_isr(int irq, void *priv)

{

	struct ptp_qoriq *ptp_qoriq = priv;

	struct ptp_qoriq_registers *regs = &ptp_qoriq->regs;
@@ -200,12 +199,13 @@ static irqreturn_t isr(int irq, void *priv) 
	} else

		return IRQ_NONE;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_isr);



/*

 * PTP clock operations

 */



static int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)

int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)

{

	u64 adj, diff;

	u32 tmr_add;
@@ -233,8 +233,9 @@ static int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) 


	return 0;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_adjfine);



static int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta)

int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta)

{

	s64 now;

	unsigned long flags;
@@ -251,9 +252,9 @@ static int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta) 


	return 0;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_adjtime);



static int ptp_qoriq_gettime(struct ptp_clock_info *ptp,

			       struct timespec64 *ts)

int ptp_qoriq_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)

{

	u64 ns;

	unsigned long flags;
@@ -269,8 +270,9 @@ static int ptp_qoriq_gettime(struct ptp_clock_info *ptp, 


	return 0;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_gettime);



static int ptp_qoriq_settime(struct ptp_clock_info *ptp,

int ptp_qoriq_settime(struct ptp_clock_info *ptp,

		      const struct timespec64 *ts)

{

	u64 ns;
@@ -288,8 +290,9 @@ static int ptp_qoriq_settime(struct ptp_clock_info *ptp, 


	return 0;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_settime);



static int ptp_qoriq_enable(struct ptp_clock_info *ptp,

int ptp_qoriq_enable(struct ptp_clock_info *ptp,

		     struct ptp_clock_request *rq, int on)

{

	struct ptp_qoriq *ptp_qoriq = container_of(ptp, struct ptp_qoriq, caps);
@@ -336,6 +339,7 @@ static int ptp_qoriq_enable(struct ptp_clock_info *ptp, 
	spin_unlock_irqrestore(&ptp_qoriq->lock, flags);

	return 0;

}

EXPORT_SYMBOL_GPL(ptp_qoriq_enable);



static const struct ptp_clock_info ptp_qoriq_caps = {

	.owner		= THIS_MODULE,
@@ -508,7 +512,8 @@ static int ptp_qoriq_probe(struct platform_device *dev) 
		pr_err("irq not in device tree\n");

		goto no_node;

	}

	if (request_irq(ptp_qoriq->irq, isr, IRQF_SHARED, DRIVER, ptp_qoriq)) {

	if (request_irq(ptp_qoriq->irq, ptp_qoriq_isr, IRQF_SHARED,

			DRIVER, ptp_qoriq)) {

		pr_err("request_irq failed\n");

		goto no_node;

	}

include/linux/fsl/ptp_qoriq.h

+9 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#define __PTP_QORIQ_H__



#include <linux/io.h>

#include <linux/interrupt.h>

#include <linux/ptp_clock_kernel.h>



/*
@@ -171,6 +172,14 @@ static inline void qoriq_write(unsigned __iomem *addr, u32 val) 
	iowrite32be(val, addr);

}



irqreturn_t ptp_qoriq_isr(int irq, void *priv);

int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm);

int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta);

int ptp_qoriq_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts);

int ptp_qoriq_settime(struct ptp_clock_info *ptp,

		      const struct timespec64 *ts);

int ptp_qoriq_enable(struct ptp_clock_info *ptp,

		     struct ptp_clock_request *rq, int on);

#ifdef CONFIG_DEBUG_FS

void ptp_qoriq_create_debugfs(struct ptp_qoriq *ptp_qoriq);

void ptp_qoriq_remove_debugfs(struct ptp_qoriq *ptp_qoriq);