/*
- * PTP 1588 clock using the eTSEC
+ * PTP 1588 clock for Freescale QorIQ 1588 timer
*
* Copyright (C) 2010 OMICRON electronics GmbH
*
#include <linux/of_platform.h>
#include <linux/timex.h>
#include <linux/io.h>
+#include <linux/slab.h>
#include <linux/ptp_clock_kernel.h>
-#include "gianfar.h"
-
/*
- * gianfar ptp registers
+ * qoriq ptp registers
* Generated by regen.tcl on Thu May 13 01:38:57 PM CEST 2010
*/
-struct gianfar_ptp_registers {
+struct qoriq_ptp_registers {
u32 tmr_ctrl; /* Timer control register */
u32 tmr_tevent; /* Timestamp event register */
u32 tmr_temask; /* Timer event mask register */
#define PRSC_OCK_MASK (0xffff)
-#define DRIVER "gianfar_ptp"
+#define DRIVER "ptp_qoriq"
#define DEFAULT_CKSEL 1
#define N_EXT_TS 2
-#define REG_SIZE sizeof(struct gianfar_ptp_registers)
+#define REG_SIZE sizeof(struct qoriq_ptp_registers)
-struct etsects {
- struct gianfar_ptp_registers __iomem *regs;
+struct qoriq_ptp {
+ struct qoriq_ptp_registers __iomem *regs;
spinlock_t lock; /* protects regs */
struct ptp_clock *clock;
struct ptp_clock_info caps;
struct resource *rsrc;
int irq;
+ int phc_index;
u64 alarm_interval; /* for periodic alarm */
u64 alarm_value;
u32 tclk_period; /* nanoseconds */
u32 tmr_fiper2;
};
+static inline u32 qoriq_read(unsigned __iomem *addr)
+{
+ u32 val;
+
+ val = ioread32be(addr);
+ return val;
+}
+
+static inline void qoriq_write(unsigned __iomem *addr, u32 val)
+{
+ iowrite32be(val, addr);
+}
+
/*
* Register access functions
*/
-/* Caller must hold etsects->lock. */
-static u64 tmr_cnt_read(struct etsects *etsects)
+/* Caller must hold qoriq_ptp->lock. */
+static u64 tmr_cnt_read(struct qoriq_ptp *qoriq_ptp)
{
u64 ns;
u32 lo, hi;
- lo = gfar_read(&etsects->regs->tmr_cnt_l);
- hi = gfar_read(&etsects->regs->tmr_cnt_h);
+ lo = qoriq_read(&qoriq_ptp->regs->tmr_cnt_l);
+ hi = qoriq_read(&qoriq_ptp->regs->tmr_cnt_h);
ns = ((u64) hi) << 32;
ns |= lo;
return ns;
}
-/* Caller must hold etsects->lock. */
-static void tmr_cnt_write(struct etsects *etsects, u64 ns)
+/* Caller must hold qoriq_ptp->lock. */
+static void tmr_cnt_write(struct qoriq_ptp *qoriq_ptp, u64 ns)
{
u32 hi = ns >> 32;
u32 lo = ns & 0xffffffff;
- gfar_write(&etsects->regs->tmr_cnt_l, lo);
- gfar_write(&etsects->regs->tmr_cnt_h, hi);
+ qoriq_write(&qoriq_ptp->regs->tmr_cnt_l, lo);
+ qoriq_write(&qoriq_ptp->regs->tmr_cnt_h, hi);
}
-/* Caller must hold etsects->lock. */
-static void set_alarm(struct etsects *etsects)
+/* Caller must hold qoriq_ptp->lock. */
+static void set_alarm(struct qoriq_ptp *qoriq_ptp)
{
u64 ns;
u32 lo, hi;
- ns = tmr_cnt_read(etsects) + 1500000000ULL;
+ ns = tmr_cnt_read(qoriq_ptp) + 1500000000ULL;
ns = div_u64(ns, 1000000000UL) * 1000000000ULL;
- ns -= etsects->tclk_period;
+ ns -= qoriq_ptp->tclk_period;
hi = ns >> 32;
lo = ns & 0xffffffff;
- gfar_write(&etsects->regs->tmr_alarm1_l, lo);
- gfar_write(&etsects->regs->tmr_alarm1_h, hi);
+ qoriq_write(&qoriq_ptp->regs->tmr_alarm1_l, lo);
+ qoriq_write(&qoriq_ptp->regs->tmr_alarm1_h, hi);
}
-/* Caller must hold etsects->lock. */
-static void set_fipers(struct etsects *etsects)
+/* Caller must hold qoriq_ptp->lock. */
+static void set_fipers(struct qoriq_ptp *qoriq_ptp)
{
- set_alarm(etsects);
- gfar_write(&etsects->regs->tmr_fiper1, etsects->tmr_fiper1);
- gfar_write(&etsects->regs->tmr_fiper2, etsects->tmr_fiper2);
+ set_alarm(qoriq_ptp);
+ qoriq_write(&qoriq_ptp->regs->tmr_fiper1, qoriq_ptp->tmr_fiper1);
+ qoriq_write(&qoriq_ptp->regs->tmr_fiper2, qoriq_ptp->tmr_fiper2);
}
/*
static irqreturn_t isr(int irq, void *priv)
{
- struct etsects *etsects = priv;
+ struct qoriq_ptp *qoriq_ptp = priv;
struct ptp_clock_event event;
u64 ns;
u32 ack = 0, lo, hi, mask, val;
- val = gfar_read(&etsects->regs->tmr_tevent);
+ val = qoriq_read(&qoriq_ptp->regs->tmr_tevent);
if (val & ETS1) {
ack |= ETS1;
- hi = gfar_read(&etsects->regs->tmr_etts1_h);
- lo = gfar_read(&etsects->regs->tmr_etts1_l);
+ hi = qoriq_read(&qoriq_ptp->regs->tmr_etts1_h);
+ lo = qoriq_read(&qoriq_ptp->regs->tmr_etts1_l);
event.type = PTP_CLOCK_EXTTS;
event.index = 0;
event.timestamp = ((u64) hi) << 32;
event.timestamp |= lo;
- ptp_clock_event(etsects->clock, &event);
+ ptp_clock_event(qoriq_ptp->clock, &event);
}
if (val & ETS2) {
ack |= ETS2;
- hi = gfar_read(&etsects->regs->tmr_etts2_h);
- lo = gfar_read(&etsects->regs->tmr_etts2_l);
+ hi = qoriq_read(&qoriq_ptp->regs->tmr_etts2_h);
+ lo = qoriq_read(&qoriq_ptp->regs->tmr_etts2_l);
event.type = PTP_CLOCK_EXTTS;
event.index = 1;
event.timestamp = ((u64) hi) << 32;
event.timestamp |= lo;
- ptp_clock_event(etsects->clock, &event);
+ ptp_clock_event(qoriq_ptp->clock, &event);
}
if (val & ALM2) {
ack |= ALM2;
- if (etsects->alarm_value) {
+ if (qoriq_ptp->alarm_value) {
event.type = PTP_CLOCK_ALARM;
event.index = 0;
- event.timestamp = etsects->alarm_value;
- ptp_clock_event(etsects->clock, &event);
+ event.timestamp = qoriq_ptp->alarm_value;
+ ptp_clock_event(qoriq_ptp->clock, &event);
}
- if (etsects->alarm_interval) {
- ns = etsects->alarm_value + etsects->alarm_interval;
+ if (qoriq_ptp->alarm_interval) {
+ ns = qoriq_ptp->alarm_value + qoriq_ptp->alarm_interval;
hi = ns >> 32;
lo = ns & 0xffffffff;
- spin_lock(&etsects->lock);
- gfar_write(&etsects->regs->tmr_alarm2_l, lo);
- gfar_write(&etsects->regs->tmr_alarm2_h, hi);
- spin_unlock(&etsects->lock);
- etsects->alarm_value = ns;
+ spin_lock(&qoriq_ptp->lock);
+ qoriq_write(&qoriq_ptp->regs->tmr_alarm2_l, lo);
+ qoriq_write(&qoriq_ptp->regs->tmr_alarm2_h, hi);
+ spin_unlock(&qoriq_ptp->lock);
+ qoriq_ptp->alarm_value = ns;
} else {
- gfar_write(&etsects->regs->tmr_tevent, ALM2);
- spin_lock(&etsects->lock);
- mask = gfar_read(&etsects->regs->tmr_temask);
+ qoriq_write(&qoriq_ptp->regs->tmr_tevent, ALM2);
+ spin_lock(&qoriq_ptp->lock);
+ mask = qoriq_read(&qoriq_ptp->regs->tmr_temask);
mask &= ~ALM2EN;
- gfar_write(&etsects->regs->tmr_temask, mask);
- spin_unlock(&etsects->lock);
- etsects->alarm_value = 0;
- etsects->alarm_interval = 0;
+ qoriq_write(&qoriq_ptp->regs->tmr_temask, mask);
+ spin_unlock(&qoriq_ptp->lock);
+ qoriq_ptp->alarm_value = 0;
+ qoriq_ptp->alarm_interval = 0;
}
}
if (val & PP1) {
ack |= PP1;
event.type = PTP_CLOCK_PPS;
- ptp_clock_event(etsects->clock, &event);
+ ptp_clock_event(qoriq_ptp->clock, &event);
}
if (ack) {
- gfar_write(&etsects->regs->tmr_tevent, ack);
+ qoriq_write(&qoriq_ptp->regs->tmr_tevent, ack);
return IRQ_HANDLED;
} else
return IRQ_NONE;
* PTP clock operations
*/
-static int ptp_gianfar_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
+static int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
{
u64 adj, diff;
u32 tmr_add;
int neg_adj = 0;
- struct etsects *etsects = container_of(ptp, struct etsects, caps);
+ struct qoriq_ptp *qoriq_ptp = container_of(ptp, struct qoriq_ptp, caps);
if (scaled_ppm < 0) {
neg_adj = 1;
scaled_ppm = -scaled_ppm;
}
- tmr_add = etsects->tmr_add;
+ tmr_add = qoriq_ptp->tmr_add;
adj = tmr_add;
/* calculate diff as adj*(scaled_ppm/65536)/1000000
tmr_add = neg_adj ? tmr_add - diff : tmr_add + diff;
- gfar_write(&etsects->regs->tmr_add, tmr_add);
+ qoriq_write(&qoriq_ptp->regs->tmr_add, tmr_add);
return 0;
}
-static int ptp_gianfar_adjtime(struct ptp_clock_info *ptp, s64 delta)
+static int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
s64 now;
unsigned long flags;
- struct etsects *etsects = container_of(ptp, struct etsects, caps);
+ struct qoriq_ptp *qoriq_ptp = container_of(ptp, struct qoriq_ptp, caps);
- spin_lock_irqsave(&etsects->lock, flags);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
- now = tmr_cnt_read(etsects);
+ now = tmr_cnt_read(qoriq_ptp);
now += delta;
- tmr_cnt_write(etsects, now);
- set_fipers(etsects);
+ tmr_cnt_write(qoriq_ptp, now);
+ set_fipers(qoriq_ptp);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
return 0;
}
-static int ptp_gianfar_gettime(struct ptp_clock_info *ptp,
+static int ptp_qoriq_gettime(struct ptp_clock_info *ptp,
struct timespec64 *ts)
{
u64 ns;
unsigned long flags;
- struct etsects *etsects = container_of(ptp, struct etsects, caps);
+ struct qoriq_ptp *qoriq_ptp = container_of(ptp, struct qoriq_ptp, caps);
- spin_lock_irqsave(&etsects->lock, flags);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
- ns = tmr_cnt_read(etsects);
+ ns = tmr_cnt_read(qoriq_ptp);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
*ts = ns_to_timespec64(ns);
return 0;
}
-static int ptp_gianfar_settime(struct ptp_clock_info *ptp,
+static int ptp_qoriq_settime(struct ptp_clock_info *ptp,
const struct timespec64 *ts)
{
u64 ns;
unsigned long flags;
- struct etsects *etsects = container_of(ptp, struct etsects, caps);
+ struct qoriq_ptp *qoriq_ptp = container_of(ptp, struct qoriq_ptp, caps);
ns = timespec64_to_ns(ts);
- spin_lock_irqsave(&etsects->lock, flags);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
- tmr_cnt_write(etsects, ns);
- set_fipers(etsects);
+ tmr_cnt_write(qoriq_ptp, ns);
+ set_fipers(qoriq_ptp);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
return 0;
}
-static int ptp_gianfar_enable(struct ptp_clock_info *ptp,
+static int ptp_qoriq_enable(struct ptp_clock_info *ptp,
struct ptp_clock_request *rq, int on)
{
- struct etsects *etsects = container_of(ptp, struct etsects, caps);
+ struct qoriq_ptp *qoriq_ptp = container_of(ptp, struct qoriq_ptp, caps);
unsigned long flags;
u32 bit, mask;
default:
return -EINVAL;
}
- spin_lock_irqsave(&etsects->lock, flags);
- mask = gfar_read(&etsects->regs->tmr_temask);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
+ mask = qoriq_read(&qoriq_ptp->regs->tmr_temask);
if (on)
mask |= bit;
else
mask &= ~bit;
- gfar_write(&etsects->regs->tmr_temask, mask);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ qoriq_write(&qoriq_ptp->regs->tmr_temask, mask);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
return 0;
case PTP_CLK_REQ_PPS:
- spin_lock_irqsave(&etsects->lock, flags);
- mask = gfar_read(&etsects->regs->tmr_temask);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
+ mask = qoriq_read(&qoriq_ptp->regs->tmr_temask);
if (on)
mask |= PP1EN;
else
mask &= ~PP1EN;
- gfar_write(&etsects->regs->tmr_temask, mask);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ qoriq_write(&qoriq_ptp->regs->tmr_temask, mask);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
return 0;
default:
return -EOPNOTSUPP;
}
-static const struct ptp_clock_info ptp_gianfar_caps = {
+static const struct ptp_clock_info ptp_qoriq_caps = {
.owner = THIS_MODULE,
- .name = "gianfar clock",
+ .name = "qoriq ptp clock",
.max_adj = 512000,
.n_alarm = 0,
.n_ext_ts = N_EXT_TS,
.n_per_out = 0,
.n_pins = 0,
.pps = 1,
- .adjfine = ptp_gianfar_adjfine,
- .adjtime = ptp_gianfar_adjtime,
- .gettime64 = ptp_gianfar_gettime,
- .settime64 = ptp_gianfar_settime,
- .enable = ptp_gianfar_enable,
+ .adjfine = ptp_qoriq_adjfine,
+ .adjtime = ptp_qoriq_adjtime,
+ .gettime64 = ptp_qoriq_gettime,
+ .settime64 = ptp_qoriq_settime,
+ .enable = ptp_qoriq_enable,
};
-static int gianfar_ptp_probe(struct platform_device *dev)
+static int qoriq_ptp_probe(struct platform_device *dev)
{
struct device_node *node = dev->dev.of_node;
- struct etsects *etsects;
+ struct qoriq_ptp *qoriq_ptp;
struct timespec64 now;
int err = -ENOMEM;
u32 tmr_ctrl;
unsigned long flags;
- etsects = kzalloc(sizeof(*etsects), GFP_KERNEL);
- if (!etsects)
+ qoriq_ptp = kzalloc(sizeof(*qoriq_ptp), GFP_KERNEL);
+ if (!qoriq_ptp)
goto no_memory;
err = -ENODEV;
- etsects->caps = ptp_gianfar_caps;
+ qoriq_ptp->caps = ptp_qoriq_caps;
- if (of_property_read_u32(node, "fsl,cksel", &etsects->cksel))
- etsects->cksel = DEFAULT_CKSEL;
+ if (of_property_read_u32(node, "fsl,cksel", &qoriq_ptp->cksel))
+ qoriq_ptp->cksel = DEFAULT_CKSEL;
if (of_property_read_u32(node,
- "fsl,tclk-period", &etsects->tclk_period) ||
+ "fsl,tclk-period", &qoriq_ptp->tclk_period) ||
of_property_read_u32(node,
- "fsl,tmr-prsc", &etsects->tmr_prsc) ||
+ "fsl,tmr-prsc", &qoriq_ptp->tmr_prsc) ||
of_property_read_u32(node,
- "fsl,tmr-add", &etsects->tmr_add) ||
+ "fsl,tmr-add", &qoriq_ptp->tmr_add) ||
of_property_read_u32(node,
- "fsl,tmr-fiper1", &etsects->tmr_fiper1) ||
+ "fsl,tmr-fiper1", &qoriq_ptp->tmr_fiper1) ||
of_property_read_u32(node,
- "fsl,tmr-fiper2", &etsects->tmr_fiper2) ||
+ "fsl,tmr-fiper2", &qoriq_ptp->tmr_fiper2) ||
of_property_read_u32(node,
- "fsl,max-adj", &etsects->caps.max_adj)) {
+ "fsl,max-adj", &qoriq_ptp->caps.max_adj)) {
pr_err("device tree node missing required elements\n");
goto no_node;
}
- etsects->irq = platform_get_irq(dev, 0);
+ qoriq_ptp->irq = platform_get_irq(dev, 0);
- if (etsects->irq < 0) {
+ if (qoriq_ptp->irq < 0) {
pr_err("irq not in device tree\n");
goto no_node;
}
- if (request_irq(etsects->irq, isr, 0, DRIVER, etsects)) {
+ if (request_irq(qoriq_ptp->irq, isr, 0, DRIVER, qoriq_ptp)) {
pr_err("request_irq failed\n");
goto no_node;
}
- etsects->rsrc = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!etsects->rsrc) {
+ qoriq_ptp->rsrc = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!qoriq_ptp->rsrc) {
pr_err("no resource\n");
goto no_resource;
}
- if (request_resource(&iomem_resource, etsects->rsrc)) {
+ if (request_resource(&iomem_resource, qoriq_ptp->rsrc)) {
pr_err("resource busy\n");
goto no_resource;
}
- spin_lock_init(&etsects->lock);
+ spin_lock_init(&qoriq_ptp->lock);
- etsects->regs = ioremap(etsects->rsrc->start,
- resource_size(etsects->rsrc));
- if (!etsects->regs) {
+ qoriq_ptp->regs = ioremap(qoriq_ptp->rsrc->start,
+ resource_size(qoriq_ptp->rsrc));
+ if (!qoriq_ptp->regs) {
pr_err("ioremap ptp registers failed\n");
goto no_ioremap;
}
getnstimeofday64(&now);
- ptp_gianfar_settime(&etsects->caps, &now);
+ ptp_qoriq_settime(&qoriq_ptp->caps, &now);
tmr_ctrl =
- (etsects->tclk_period & TCLK_PERIOD_MASK) << TCLK_PERIOD_SHIFT |
- (etsects->cksel & CKSEL_MASK) << CKSEL_SHIFT;
+ (qoriq_ptp->tclk_period & TCLK_PERIOD_MASK) << TCLK_PERIOD_SHIFT |
+ (qoriq_ptp->cksel & CKSEL_MASK) << CKSEL_SHIFT;
- spin_lock_irqsave(&etsects->lock, flags);
+ spin_lock_irqsave(&qoriq_ptp->lock, flags);
- gfar_write(&etsects->regs->tmr_ctrl, tmr_ctrl);
- gfar_write(&etsects->regs->tmr_add, etsects->tmr_add);
- gfar_write(&etsects->regs->tmr_prsc, etsects->tmr_prsc);
- gfar_write(&etsects->regs->tmr_fiper1, etsects->tmr_fiper1);
- gfar_write(&etsects->regs->tmr_fiper2, etsects->tmr_fiper2);
- set_alarm(etsects);
- gfar_write(&etsects->regs->tmr_ctrl, tmr_ctrl|FIPERST|RTPE|TE|FRD);
+ qoriq_write(&qoriq_ptp->regs->tmr_ctrl, tmr_ctrl);
+ qoriq_write(&qoriq_ptp->regs->tmr_add, qoriq_ptp->tmr_add);
+ qoriq_write(&qoriq_ptp->regs->tmr_prsc, qoriq_ptp->tmr_prsc);
+ qoriq_write(&qoriq_ptp->regs->tmr_fiper1, qoriq_ptp->tmr_fiper1);
+ qoriq_write(&qoriq_ptp->regs->tmr_fiper2, qoriq_ptp->tmr_fiper2);
+ set_alarm(qoriq_ptp);
+ qoriq_write(&qoriq_ptp->regs->tmr_ctrl, tmr_ctrl|FIPERST|RTPE|TE|FRD);
- spin_unlock_irqrestore(&etsects->lock, flags);
+ spin_unlock_irqrestore(&qoriq_ptp->lock, flags);
- etsects->clock = ptp_clock_register(&etsects->caps, &dev->dev);
- if (IS_ERR(etsects->clock)) {
- err = PTR_ERR(etsects->clock);
+ qoriq_ptp->clock = ptp_clock_register(&qoriq_ptp->caps, &dev->dev);
+ if (IS_ERR(qoriq_ptp->clock)) {
+ err = PTR_ERR(qoriq_ptp->clock);
goto no_clock;
}
- gfar_phc_index = ptp_clock_index(etsects->clock);
+ qoriq_ptp->phc_index = ptp_clock_index(qoriq_ptp->clock);
- platform_set_drvdata(dev, etsects);
+ platform_set_drvdata(dev, qoriq_ptp);
return 0;
no_clock:
- iounmap(etsects->regs);
+ iounmap(qoriq_ptp->regs);
no_ioremap:
- release_resource(etsects->rsrc);
+ release_resource(qoriq_ptp->rsrc);
no_resource:
- free_irq(etsects->irq, etsects);
+ free_irq(qoriq_ptp->irq, qoriq_ptp);
no_node:
- kfree(etsects);
+ kfree(qoriq_ptp);
no_memory:
return err;
}
-static int gianfar_ptp_remove(struct platform_device *dev)
+static int qoriq_ptp_remove(struct platform_device *dev)
{
- struct etsects *etsects = platform_get_drvdata(dev);
+ struct qoriq_ptp *qoriq_ptp = platform_get_drvdata(dev);
- gfar_write(&etsects->regs->tmr_temask, 0);
- gfar_write(&etsects->regs->tmr_ctrl, 0);
+ qoriq_write(&qoriq_ptp->regs->tmr_temask, 0);
+ qoriq_write(&qoriq_ptp->regs->tmr_ctrl, 0);
- gfar_phc_index = -1;
- ptp_clock_unregister(etsects->clock);
- iounmap(etsects->regs);
- release_resource(etsects->rsrc);
- free_irq(etsects->irq, etsects);
- kfree(etsects);
+ ptp_clock_unregister(qoriq_ptp->clock);
+ iounmap(qoriq_ptp->regs);
+ release_resource(qoriq_ptp->rsrc);
+ free_irq(qoriq_ptp->irq, qoriq_ptp);
+ kfree(qoriq_ptp);
return 0;
}
};
MODULE_DEVICE_TABLE(of, match_table);
-static struct platform_driver gianfar_ptp_driver = {
+static struct platform_driver qoriq_ptp_driver = {
.driver = {
- .name = "gianfar_ptp",
+ .name = "ptp_qoriq",
.of_match_table = match_table,
},
- .probe = gianfar_ptp_probe,
- .remove = gianfar_ptp_remove,
+ .probe = qoriq_ptp_probe,
+ .remove = qoriq_ptp_remove,
};
-module_platform_driver(gianfar_ptp_driver);
+module_platform_driver(qoriq_ptp_driver);
MODULE_AUTHOR("Richard Cochran <richardcochran@gmail.com>");
-MODULE_DESCRIPTION("PTP clock using the eTSEC");
+MODULE_DESCRIPTION("PTP clock for Freescale QorIQ 1588 timer");
MODULE_LICENSE("GPL");
projects / platform / kernel / linux-rpi.git / commitdiff