From e6da96ace859dad966fe85cc9552b89f48bbc930 Mon Sep 17 00:00:00 2001 From: Krzysztof Hałasa Date: Mon, 22 Dec 2008 00:26:38 +0100 Subject: IXP4xx: move common debugging from network drivers to QMGR module. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Hałasa --- arch/arm/mach-ixp4xx/include/mach/qmgr.h | 35 ++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) (limited to 'arch/arm/mach-ixp4xx/include') diff --git a/arch/arm/mach-ixp4xx/include/mach/qmgr.h b/arch/arm/mach-ixp4xx/include/mach/qmgr.h index 1e52b95cede5..0cbe6ceb67c5 100644 --- a/arch/arm/mach-ixp4xx/include/mach/qmgr.h +++ b/arch/arm/mach-ixp4xx/include/mach/qmgr.h @@ -12,6 +12,8 @@ #include #include +#define DEBUG_QMGR 0 + #define HALF_QUEUES 32 #define QUEUES 64 /* only 32 lower queues currently supported */ #define MAX_QUEUE_LENGTH 4 /* in dwords */ @@ -61,22 +63,51 @@ void qmgr_enable_irq(unsigned int queue); void qmgr_disable_irq(unsigned int queue); /* request_ and release_queue() must be called from non-IRQ context */ + +#if DEBUG_QMGR +extern char qmgr_queue_descs[QUEUES][32]; + int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */, unsigned int nearly_empty_watermark, - unsigned int nearly_full_watermark); + unsigned int nearly_full_watermark, + const char *desc_format, const char* name); +#else +int __qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */, + unsigned int nearly_empty_watermark, + unsigned int nearly_full_watermark); +#define qmgr_request_queue(queue, len, nearly_empty_watermark, \ + nearly_full_watermark, desc_format, name) \ + __qmgr_request_queue(queue, len, nearly_empty_watermark, \ + nearly_full_watermark) +#endif + void qmgr_release_queue(unsigned int queue); static inline void qmgr_put_entry(unsigned int queue, u32 val) { extern struct qmgr_regs __iomem *qmgr_regs; +#if DEBUG_QMGR + BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */ + + printk(KERN_DEBUG "Queue %s(%i) put %X\n", + qmgr_queue_descs[queue], queue, val); +#endif __raw_writel(val, &qmgr_regs->acc[queue][0]); } static inline u32 qmgr_get_entry(unsigned int queue) { + u32 val; extern struct qmgr_regs __iomem *qmgr_regs; - return __raw_readl(&qmgr_regs->acc[queue][0]); + val = __raw_readl(&qmgr_regs->acc[queue][0]); +#if DEBUG_QMGR + BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */ + + printk(KERN_DEBUG "Queue %s(%i) get %X\n", + qmgr_queue_descs[queue], queue, val); +#endif + return val; } static inline int qmgr_get_stat1(unsigned int queue) -- cgit v1.2.3