---

yaml --- r: 310935 b: refs/heads/master c: 93dd048 h: refs/heads/master i: 310933: f889944 310931: e320ee4 310927: 81c1949 v: v3
git-mirror · Jun 16, 2012 · 9b3cecb · 9b3cecb
1 parent e53d11a
commit 9b3cecb
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bc2df47a408f2d64cf81bcfd0f6e3e14c84cb0ab
+refs/heads/master: 93dd048dbde493fb1eb11cdc844be5fa9cd1c925
diff --git a/trunk/Documentation/networking/stmmac.txt b/trunk/Documentation/networking/stmmac.txt
@@ -10,8 +10,8 @@ Currently this network device driver is for all STM embedded MAC/GMAC
 (i.e. 7xxx/5xxx SoCs), SPEAr (arm), Loongson1B (mips) and XLINX XC2V3000
 FF1152AMT0221 D1215994A VIRTEX FPGA board.
 
-DWC Ether MAC 10/100/1000 Universal version 3.60a (and older) and DWC Ether MAC 10/100
-Universal version 4.0 have been used for developing this driver.
+DWC Ether MAC 10/100/1000 Universal version 3.60a (and older) and DWC Ether
+MAC 10/100 Universal version 4.0 have been used for developing this driver.
 
 This driver supports both the platform bus and PCI.
 
@@ -54,27 +54,27 @@ net_device structure enabling the scatter/gather feature.
 When one or more packets are received, an interrupt happens. The interrupts
 are not queued so the driver has to scan all the descriptors in the ring during
 the receive process.
-This is based on NAPI so the interrupt handler signals only if there is work to be
-done, and it exits.
+This is based on NAPI so the interrupt handler signals only if there is work
+to be done, and it exits.
 Then the poll method will be scheduled at some future point.
 The incoming packets are stored, by the DMA, in a list of pre-allocated socket
 buffers in order to avoid the memcpy (Zero-copy).
 
 4.3) Timer-Driver Interrupt
-Instead of having the device that asynchronously notifies the frame receptions, the
-driver configures a timer to generate an interrupt at regular intervals.
-Based on the granularity of the timer, the frames that are received by the device
-will experience different levels of latency. Some NICs have dedicated timer
-device to perform this task. STMMAC can use either the RTC device or the TMU
-channel 2  on STLinux platforms.
+Instead of having the device that asynchronously notifies the frame receptions,
+the driver configures a timer to generate an interrupt at regular intervals.
+Based on the granularity of the timer, the frames that are received by the
+device will experience different levels of latency. Some NICs have dedicated
+timer device to perform this task. STMMAC can use either the RTC device or the
+TMU channel 2  on STLinux platforms.
 The timers frequency can be passed to the driver as parameter; when change it,
 take care of both hardware capability and network stability/performance impact.
-Several performance tests on STM platforms showed this optimisation allows to spare
-the CPU while having the maximum throughput.
+Several performance tests on STM platforms showed this optimisation allows to
+spare the CPU while having the maximum throughput.
 
 4.4) WOL
-Wake up on Lan feature through Magic and Unicast frames are supported for the GMAC
-core.
+Wake up on Lan feature through Magic and Unicast frames are supported for the
+GMAC core.
 
 4.5) DMA descriptors
 Driver handles both normal and enhanced descriptors. The latter has been only
@@ -106,7 +106,8 @@ Several driver's information can be passed through the platform
 These are included in the include/linux/stmmac.h header file
 and detailed below as well:
 
- struct plat_stmmacenet_data {
+struct plat_stmmacenet_data {
+	char *phy_bus_name;
 	int bus_id;
 	int phy_addr;
 	int interface;
@@ -124,19 +125,24 @@ and detailed below as well:
 	void (*bus_setup)(void __iomem *ioaddr);
 	int (*init)(struct platform_device *pdev);
 	void (*exit)(struct platform_device *pdev);
+	void *custom_cfg;
+	void *custom_data;
 	void *bsp_priv;
  };
 
 Where:
+ o phy_bus_name: phy bus name to attach to the stmmac.
  o bus_id: bus identifier.
  o phy_addr: the physical address can be passed from the platform.
 	    If it is set to -1 the driver will automatically
 	    detect it at run-time by probing all the 32 addresses.
  o interface: PHY device's interface.
  o mdio_bus_data: specific platform fields for the MDIO bus.
- o pbl: the Programmable Burst Length is maximum number of beats to
+ o dma_cfg: internal DMA parameters
+   o pbl: the Programmable Burst Length is maximum number of beats to
        be transferred in one DMA transaction.
        GMAC also enables the 4xPBL by default.
+   o fixed_burst/mixed_burst/burst_len
  o clk_csr: fixed CSR Clock range selection.
  o has_gmac: uses the GMAC core.
  o enh_desc: if sets the MAC will use the enhanced descriptor structure.
@@ -160,8 +166,9 @@ Where:
 	     this is sometime necessary on some platforms (e.g. ST boxes)
 	     where the HW needs to have set some PIO lines or system cfg
 	     registers.
- o custom_cfg: this is a custom configuration that can be passed while
-	      initialising the resources.
+ o custom_cfg/custom_data: this is a custom configuration that can be passed
+			   while initialising the resources.
+ o bsp_priv: another private poiter.
 
 For MDIO bus The we have:
 
@@ -180,7 +187,6 @@ Where:
  o irqs: list of IRQs, one per PHY.
  o probed_phy_irq: if irqs is NULL, use this for probed PHY.
 
-
 For DMA engine we have the following internal fields that should be
 tuned according to the HW capabilities.
 

diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -1646,11 +1646,11 @@ S:	Maintained
 F:	drivers/gpio/gpio-bt8xx.c
 
 BTRFS FILE SYSTEM
-M:	Chris Mason <chris.mason@oracle.com>
+M:	Chris Mason <chris.mason@fusionio.com>
 L:	linux-btrfs@vger.kernel.org
 W:	http://btrfs.wiki.kernel.org/
 Q:	http://patchwork.kernel.org/project/linux-btrfs/list/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git
 S:	Maintained
 F:	Documentation/filesystems/btrfs.txt
 F:	fs/btrfs/
@@ -1800,6 +1800,9 @@ F:	include/linux/cfag12864b.h
 CFG80211 and NL80211
 M:	Johannes Berg <johannes@sipsolutions.net>
 L:	linux-wireless@vger.kernel.org
+W:	http://wireless.kernel.org/
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
 F:	include/linux/nl80211.h
 F:	include/net/cfg80211.h
@@ -4349,7 +4352,8 @@ MAC80211
 M:	Johannes Berg <johannes@sipsolutions.net>
 L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
 F:	Documentation/networking/mac80211-injection.txt
 F:	include/net/mac80211.h
@@ -4360,7 +4364,8 @@ M:	Stefano Brivio <stefano.brivio@polimi.it>
 M:	Mattias Nissler <mattias.nissler@gmx.de>
 L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/en/developers/Documentation/mac80211/RateControl/PID
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
 F:	net/mac80211/rc80211_pid*
 
@@ -5711,6 +5716,9 @@ F:	include/linux/remoteproc.h
 RFKILL
 M:	Johannes Berg <johannes@sipsolutions.net>
 L:	linux-wireless@vger.kernel.org
+W:	http://wireless.kernel.org/
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
 F:	Documentation/rfkill.txt
 F:	net/rfkill/

diff --git a/trunk/arch/arm/mach-omap2/display.c b/trunk/arch/arm/mach-omap2/display.c
@@ -271,9 +271,9 @@ static struct platform_device *create_simple_dss_pdev(const char *pdev_name,
 		goto err;
 	}
 
-	r = omap_device_register(pdev);
+	r = platform_device_add(pdev);
 	if (r) {
-		pr_err("Could not register omap_device for %s\n", pdev_name);
+		pr_err("Could not register platform_device for %s\n", pdev_name);
 		goto err;
 	}
 

diff --git a/trunk/arch/m68k/Kconfig b/trunk/arch/m68k/Kconfig
@@ -7,6 +7,8 @@ config M68K
 	select GENERIC_IRQ_SHOW
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
 	select GENERIC_CPU_DEVICES
+	select GENERIC_STRNCPY_FROM_USER if MMU
+	select GENERIC_STRNLEN_USER if MMU
 	select FPU if MMU
 	select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
 

diff --git a/trunk/arch/m68k/include/asm/Kbuild b/trunk/arch/m68k/include/asm/Kbuild
@@ -1,2 +1,4 @@
 include include/asm-generic/Kbuild.asm
 header-y += cachectl.h
+
+generic-y += word-at-a-time.h
diff --git a/trunk/arch/m68k/include/asm/m528xsim.h b/trunk/arch/m68k/include/asm/m528xsim.h
@@ -86,7 +86,7 @@
 /*
  *	QSPI module.
  */
-#define	MCFQSPI_IOBASE		(MCF_IPSBAR + 0x340)
+#define	MCFQSPI_BASE		(MCF_IPSBAR + 0x340)
 #define	MCFQSPI_SIZE		0x40
 
 #define	MCFQSPI_CS0		147

diff --git a/trunk/arch/m68k/include/asm/uaccess_mm.h b/trunk/arch/m68k/include/asm/uaccess_mm.h
@@ -379,12 +379,15 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
 #define copy_from_user(to, from, n)	__copy_from_user(to, from, n)
 #define copy_to_user(to, from, n)	__copy_to_user(to, from, n)
 
-long strncpy_from_user(char *dst, const char __user *src, long count);
-long strnlen_user(const char __user *src, long n);
+#define user_addr_max() \
+	(segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+
+extern long strncpy_from_user(char *dst, const char __user *src, long count);
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
+
 unsigned long __clear_user(void __user *to, unsigned long n);
 
 #define clear_user	__clear_user
 
-#define strlen_user(str) strnlen_user(str, 32767)
-
 #endif /* _M68K_UACCESS_H */
diff --git a/trunk/arch/m68k/kernel/ptrace.c b/trunk/arch/m68k/kernel/ptrace.c
@@ -286,7 +286,7 @@ asmlinkage void syscall_trace(void)
 	}
 }
 
-#ifdef CONFIG_COLDFIRE
+#if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU)
 asmlinkage int syscall_trace_enter(void)
 {
 	int ret = 0;

diff --git a/trunk/arch/m68k/kernel/time.c b/trunk/arch/m68k/kernel/time.c
@@ -85,7 +85,7 @@ void __init time_init(void)
 	mach_sched_init(timer_interrupt);
 }
 
-#ifdef CONFIG_M68KCLASSIC
+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
 
 u32 arch_gettimeoffset(void)
 {
@@ -108,4 +108,4 @@ static int __init rtc_init(void)
 
 module_init(rtc_init);
 
-#endif /* CONFIG_M68KCLASSIC */
+#endif /* CONFIG_ARCH_USES_GETTIMEOFFSET */
diff --git a/trunk/arch/m68k/lib/uaccess.c b/trunk/arch/m68k/lib/uaccess.c
@@ -103,80 +103,6 @@ unsigned long __generic_copy_to_user(void __user *to, const void *from,
 }
 EXPORT_SYMBOL(__generic_copy_to_user);
 
-/*
- * Copy a null terminated string from userspace.
- */
-long strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res;
-	char c;
-
-	if (count <= 0)
-		return count;
-
-	asm volatile ("\n"
-		"1:	"MOVES".b	(%2)+,%4\n"
-		"	move.b	%4,(%1)+\n"
-		"	jeq	2f\n"
-		"	subq.l	#1,%3\n"
-		"	jne	1b\n"
-		"2:	sub.l	%3,%0\n"
-		"3:\n"
-		"	.section .fixup,\"ax\"\n"
-		"	.even\n"
-		"10:	move.l	%5,%0\n"
-		"	jra	3b\n"
-		"	.previous\n"
-		"\n"
-		"	.section __ex_table,\"a\"\n"
-		"	.align	4\n"
-		"	.long	1b,10b\n"
-		"	.previous"
-		: "=d" (res), "+a" (dst), "+a" (src), "+r" (count), "=&d" (c)
-		: "i" (-EFAULT), "0" (count));
-
-	return res;
-}
-EXPORT_SYMBOL(strncpy_from_user);
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-long strnlen_user(const char __user *src, long n)
-{
-	char c;
-	long res;
-
-	asm volatile ("\n"
-		"1:	subq.l	#1,%1\n"
-		"	jmi	3f\n"
-		"2:	"MOVES".b	(%0)+,%2\n"
-		"	tst.b	%2\n"
-		"	jne	1b\n"
-		"	jra	4f\n"
-		"\n"
-		"3:	addq.l	#1,%0\n"
-		"4:	sub.l	%4,%0\n"
-		"5:\n"
-		"	.section .fixup,\"ax\"\n"
-		"	.even\n"
-		"20:	sub.l	%0,%0\n"
-		"	jra	5b\n"
-		"	.previous\n"
-		"\n"
-		"	.section __ex_table,\"a\"\n"
-		"	.align	4\n"
-		"	.long	2b,20b\n"
-		"	.previous\n"
-		: "=&a" (res), "+d" (n), "=&d" (c)
-		: "0" (src), "r" (src));
-
-	return res;
-}
-EXPORT_SYMBOL(strnlen_user);
-
 /*
  * Zero Userspace
  */

diff --git a/trunk/arch/m68k/platform/68328/timers.c b/trunk/arch/m68k/platform/68328/timers.c
@@ -53,6 +53,7 @@
 #endif
 
 static u32 m68328_tick_cnt;
+static irq_handler_t timer_interrupt;
 
 /***************************************************************************/
 
@@ -62,7 +63,7 @@ static irqreturn_t hw_tick(int irq, void *dummy)
 	TSTAT &= 0;
 
 	m68328_tick_cnt += TICKS_PER_JIFFY;
-	return arch_timer_interrupt(irq, dummy);
+	return timer_interrupt(irq, dummy);
 }
 
 /***************************************************************************/
@@ -99,7 +100,7 @@ static struct clocksource m68328_clk = {
 
 /***************************************************************************/
 
-void hw_timer_init(void)
+void hw_timer_init(irq_handler_t handler)
 {
 	/* disable timer 1 */
 	TCTL = 0;
@@ -115,6 +116,7 @@ void hw_timer_init(void)
 	/* Enable timer 1 */
 	TCTL |= TCTL_TEN;
 	clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ);
+	timer_interrupt = handler;
 }
 
 /***************************************************************************/

diff --git a/trunk/arch/m68k/platform/68360/config.c b/trunk/arch/m68k/platform/68360/config.c
@@ -35,6 +35,7 @@ extern void m360_cpm_reset(void);
 #define OSCILLATOR  (unsigned long int)33000000
 #endif
 
+static irq_handler_t timer_interrupt;
 unsigned long int system_clock;
 
 extern QUICC *pquicc;
@@ -52,7 +53,7 @@ static irqreturn_t hw_tick(int irq, void *dummy)
 
   pquicc->timer_ter1 = 0x0002; /* clear timer event */
 
-  return arch_timer_interrupt(irq, dummy);
+  return timer_interrupt(irq, dummy);
 }
 
 static struct irqaction m68360_timer_irq = {
@@ -61,7 +62,7 @@ static struct irqaction m68360_timer_irq = {
 	.handler = hw_tick,
 };
 
-void hw_timer_init(void)
+void hw_timer_init(irq_handler_t handler)
 {
   unsigned char prescaler;
   unsigned short tgcr_save;
@@ -94,6 +95,8 @@ void hw_timer_init(void)
 
   pquicc->timer_ter1 = 0x0003; /* clear timer events */
 
+  timer_interrupt = handler;
+
   /* enable timer 1 interrupt in CIMR */
   setup_irq(CPMVEC_TIMER1, &m68360_timer_irq);