| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20220815131250.34603-5-tony@atomide.com>
Date: Mon, 15 Aug 2022 16:12:45 +0300
From: Tony Lindgren <tony@...mide.com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>
Cc: Aaro Koskinen <aaro.koskinen@....fi>,
Grygorii Strashko <grygorii.strashko@...com>,
Janusz Krzysztofik <jmkrzyszt@...il.com>,
Keerthy <j-keerthy@...com>,
Ladislav Michl <ladis@...ux-mips.org>,
Nishanth Menon <nm@...com>, Suman Anna <s-anna@...com>,
Vignesh Raghavendra <vigneshr@...com>,
linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 4/9] clocksource/drivers/timer-ti-dm: Simplify register access further
Let's unify register access and use dmtimer_read() and dmtimer_write()
also for the timer revision specific registers like we now do for the
shread registers.
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
drivers/clocksource/timer-ti-dm.c | 28 ++++++++++++++--------------
include/clocksource/timer-ti-dm.h | 6 +++---
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -101,16 +101,16 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
tidr = readl_relaxed(timer->io_base);
if (!(tidr >> 16)) {
timer->revision = 1;
- timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET;
- timer->irq_ena = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET;
- timer->irq_dis = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET;
+ timer->irq_stat = OMAP_TIMER_V1_STAT_OFFSET;
+ timer->irq_ena = OMAP_TIMER_V1_INT_EN_OFFSET;
+ timer->irq_dis = OMAP_TIMER_V1_INT_EN_OFFSET;
timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;
timer->func_base = timer->io_base;
} else {
timer->revision = 2;
- timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS;
- timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET;
- timer->irq_dis = timer->io_base + OMAP_TIMER_V2_IRQENABLE_CLR;
+ timer->irq_stat = OMAP_TIMER_V2_IRQSTATUS - OMAP_TIMER_V2_FUNC_OFFSET;
+ timer->irq_ena = OMAP_TIMER_V2_IRQENABLE_SET - OMAP_TIMER_V2_FUNC_OFFSET;
+ timer->irq_dis = OMAP_TIMER_V2_IRQENABLE_CLR - OMAP_TIMER_V2_FUNC_OFFSET;
timer->pend = timer->io_base +
_OMAP_TIMER_WRITE_PEND_OFFSET +
OMAP_TIMER_V2_FUNC_OFFSET;
@@ -165,13 +165,13 @@ static inline void __omap_dm_timer_stop(struct omap_dm_timer *timer,
}
/* Ack possibly pending interrupt */
- writel_relaxed(OMAP_TIMER_INT_OVERFLOW, timer->irq_stat);
+ dmtimer_write(timer, timer->irq_stat, OMAP_TIMER_INT_OVERFLOW);
}
static inline void __omap_dm_timer_int_enable(struct omap_dm_timer *timer,
unsigned int value)
{
- writel_relaxed(value, timer->irq_ena);
+ dmtimer_write(timer, timer->irq_ena, value);
dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, value);
}
@@ -184,7 +184,7 @@ __omap_dm_timer_read_counter(struct omap_dm_timer *timer)
static inline void __omap_dm_timer_write_status(struct omap_dm_timer *timer,
unsigned int value)
{
- writel_relaxed(value, timer->irq_stat);
+ dmtimer_write(timer, timer->irq_stat, value);
}
static void omap_timer_restore_context(struct omap_dm_timer *timer)
@@ -196,7 +196,7 @@ static void omap_timer_restore_context(struct omap_dm_timer *timer)
dmtimer_write(timer, OMAP_TIMER_LOAD_REG, timer->context.tldr);
dmtimer_write(timer, OMAP_TIMER_MATCH_REG, timer->context.tmar);
dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, timer->context.tsicr);
- writel_relaxed(timer->context.tier, timer->irq_ena);
+ dmtimer_write(timer, timer->irq_ena, timer->context.tier);
dmtimer_write(timer, OMAP_TIMER_CTRL_REG, timer->context.tclr);
}
@@ -208,7 +208,7 @@ static void omap_timer_save_context(struct omap_dm_timer *timer)
timer->context.twer = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG);
timer->context.tldr = dmtimer_read(timer, OMAP_TIMER_LOAD_REG);
timer->context.tmar = dmtimer_read(timer, OMAP_TIMER_MATCH_REG);
- timer->context.tier = readl_relaxed(timer->irq_ena);
+ timer->context.tier = dmtimer_read(timer, timer->irq_ena);
timer->context.tsicr = dmtimer_read(timer, OMAP_TIMER_IF_CTRL_REG);
}
@@ -722,9 +722,9 @@ static int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask)
omap_dm_timer_enable(timer);
if (timer->revision == 1)
- l = readl_relaxed(timer->irq_ena) & ~mask;
+ l = dmtimer_read(timer, timer->irq_ena) & ~mask;
- writel_relaxed(l, timer->irq_dis);
+ dmtimer_write(timer, timer->irq_dis, l);
l = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask;
dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, l);
@@ -741,7 +741,7 @@ static unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer)
return 0;
}
- l = readl_relaxed(timer->irq_stat);
+ l = dmtimer_read(timer, timer->irq_stat);
return l;
}
diff --git a/include/clocksource/timer-ti-dm.h b/include/clocksource/timer-ti-dm.h
--- a/include/clocksource/timer-ti-dm.h
+++ b/include/clocksource/timer-ti-dm.h
@@ -100,9 +100,9 @@ struct omap_dm_timer {
struct clk *fclk;
void __iomem *io_base;
- void __iomem *irq_stat; /* TISR/IRQSTATUS interrupt status */
- void __iomem *irq_ena; /* irq enable */
- void __iomem *irq_dis; /* irq disable, only on v2 ip */
+ int irq_stat; /* TISR/IRQSTATUS interrupt status */
+ int irq_ena; /* irq enable */
+ int irq_dis; /* irq disable, only on v2 ip */
void __iomem *pend; /* write pending */
void __iomem *func_base; /* function register base */
--
2.37.1
Powered by blists - more mailing lists