Messages in this thread Patch in this message | | | From | Adrien Vergé <> | Subject | [PATCH V2 2/6] ARM CoreSight: ETM: Rename 'comparator' to 'address comparator' | Date | Fri, 24 Jan 2014 11:40:52 -0500 |
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Since there are different types of comparators, and other kinds will be used (such as Context ID comparators), rename them properly.
Signed-off-by: Adrien Vergé <adrienverge@gmail.com> --- arch/arm/include/asm/hardware/coresight.h | 4 ++-- arch/arm/kernel/etm.c | 19 ++++++++++--------- 2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/arch/arm/include/asm/hardware/coresight.h b/arch/arm/include/asm/hardware/coresight.h index ad774f3..8c50cf6 100644 --- a/arch/arm/include/asm/hardware/coresight.h +++ b/arch/arm/include/asm/hardware/coresight.h @@ -95,8 +95,8 @@ #define ETMAAT_NSONLY (1 << 10) #define ETMAAT_SONLY (2 << 10) -#define ETMR_COMP_VAL(x) (0x40 + (x) * 4) -#define ETMR_COMP_ACC_TYPE(x) (0x80 + (x) * 4) +#define ETMR_ADDRCOMP_VAL(x) (0x40 + (x) * 4) +#define ETMR_ADDRCOMP_ACC_TYPE(x) (0x80 + (x) * 4) /* ETM status register, "ETM Architecture", 3.3.2 */ #define ETMR_STATUS (0x10) diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c index 2b1a307..7f7a0ee 100644 --- a/arch/arm/kernel/etm.c +++ b/arch/arm/kernel/etm.c @@ -39,7 +39,7 @@ struct tracectx { void __iomem *etb_regs; void __iomem *etm_regs; unsigned long flags; - int ncmppairs; + int naddrcmppairs; int etm_portsz; struct device *dev; struct clk *emu_clk; @@ -59,7 +59,7 @@ static int etm_setup_address_range(struct tracectx *t, int n, u32 flags = ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_NSONLY | \ ETMAAT_NOVALCMP; - if (n < 1 || n > t->ncmppairs) + if (n < 1 || n > t->naddrcmppairs) return -EINVAL; /* comparators and ranges are numbered starting with 1 as opposed @@ -72,12 +72,12 @@ static int etm_setup_address_range(struct tracectx *t, int n, flags |= ETMAAT_IEXEC; /* first comparator for the range */ - etm_writel(t, flags, ETMR_COMP_ACC_TYPE(n * 2)); - etm_writel(t, start, ETMR_COMP_VAL(n * 2)); + etm_writel(t, flags, ETMR_ADDRCOMP_ACC_TYPE(n * 2)); + etm_writel(t, start, ETMR_ADDRCOMP_VAL(n * 2)); /* second comparator is right next to it */ - etm_writel(t, flags, ETMR_COMP_ACC_TYPE(n * 2 + 1)); - etm_writel(t, end, ETMR_COMP_VAL(n * 2 + 1)); + etm_writel(t, flags, ETMR_ADDRCOMP_ACC_TYPE(n * 2 + 1)); + etm_writel(t, end, ETMR_ADDRCOMP_VAL(n * 2 + 1)); flags = exclude ? ETMTE_INCLEXCL : 0; etm_writel(t, flags | (1 << n), ETMR_TRACEENCTRL); @@ -475,7 +475,8 @@ static ssize_t trace_info_show(struct device *dev, etm_st = etm_readl(&tracer, ETMR_STATUS); etm_lock(&tracer); - return sprintf(buf, "Trace buffer len: %d\nComparator pairs: %d\n" + return sprintf(buf, "Trace buffer len: %d\n" + "Addr comparator pairs: %d\n" "ETBR_WRITEADDR:\t%08x\n" "ETBR_READADDR:\t%08x\n" "ETBR_STATUS:\t%08x\n" @@ -483,7 +484,7 @@ static ssize_t trace_info_show(struct device *dev, "ETMR_CTRL:\t%08x\n" "ETMR_STATUS:\t%08x\n", datalen, - tracer.ncmppairs, + tracer.naddrcmppairs, etb_wa, etb_ra, etb_st, @@ -559,7 +560,7 @@ static int etm_probe(struct amba_device *dev, const struct amba_id *id) /* dummy first read */ (void)etm_readl(&tracer, ETMMR_OSSRR); - t->ncmppairs = etm_readl(t, ETMR_CONFCODE) & 0xf; + t->naddrcmppairs = etm_readl(t, ETMR_CONFCODE) & 0xf; etm_writel(t, 0x440, ETMR_CTRL); etm_lock(t); -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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