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authorDaniel Schaeffer <daniel@dschaeffer.localdomain>2008-01-30 15:42:41 -0500
committerDaniel Schaeffer <daniel@dschaeffer.localdomain>2008-01-30 15:42:41 -0500
commit648b932d8cf61f38d08a84e6388036b22766c2df (patch)
tree3c48859a194482b645b93c1bead3bcc323327fb7 /arch/mips/kernel/rtlx.c
parent2506ae0663e660d8dc7624fcdae1814c8ee3d10a (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
Merge branch '2.6.23' into 2.6.22.6-imx27
Conflicts: Documentation/kernel-parameters.txt Makefile arch/arm/Kconfig arch/arm/Makefile arch/arm/mach-mx3/Kconfig arch/arm/mach-mx3/Makefile arch/arm/mach-mx3/mm.c arch/arm/mach-mx3/mx31ads.c arch/arm/mm/Kconfig arch/arm/plat-mxc/Kconfig arch/arm/plat-mxc/Makefile arch/arm/plat-mxc/irq.c block/cfq-iosched.c drivers/ata/ahci.c drivers/ata/libata-core.c drivers/char/watchdog/Kconfig drivers/firewire/fw-sbp2.c drivers/md/dm-crypt.c drivers/media/video/pwc/pwc-if.c drivers/mmc/card/Kconfig drivers/mmc/card/queue.c drivers/mmc/core/Makefile drivers/mmc/core/bus.c drivers/mmc/core/core.c drivers/mmc/core/host.c drivers/mmc/core/mmc.c drivers/mmc/core/sd.c drivers/mmc/core/sd_ops.c drivers/mmc/host/at91_mci.c drivers/mmc/host/sdhci.c drivers/net/bonding/bond_main.c drivers/net/fec.c drivers/net/forcedeth.c drivers/net/r8169.c drivers/net/sky2.c drivers/rtc/Kconfig drivers/rtc/Makefile drivers/spi/Kconfig drivers/spi/Makefile drivers/usb/gadget/Makefile drivers/usb/gadget/gadget_chips.h drivers/usb/host/ehci.h drivers/video/logo/logo.c drivers/w1/slaves/Makefile fs/9p/conv.c fs/direct-io.c fs/exec.c fs/ocfs2/file.c fs/signalfd.c fs/sysfs/file.c include/asm-arm/arch-mxc/dma.h include/asm-arm/arch-mxc/entry-macro.S include/asm-arm/arch-mxc/hardware.h include/asm-arm/arch-mxc/io.h include/asm-arm/arch-mxc/irqs.h include/asm-arm/arch-mxc/memory.h include/asm-arm/arch-mxc/mx31.h include/asm-arm/arch-mxc/mxc.h include/asm-arm/arch-mxc/system.h include/asm-arm/arch-mxc/timex.h include/asm-arm/arch-mxc/uncompress.h include/asm-arm/arch-mxc/vmalloc.h include/linux/fsl_devices.h include/linux/ioprio.h kernel/lockdep_proc.c kernel/signal.c mm/hugetlb.c mm/readahead.c net/bluetooth/rfcomm/tty.c net/bridge/br_device.c net/core/dev.c net/ieee80211/softmac/ieee80211softmac_assoc.c net/ieee80211/softmac/ieee80211softmac_wx.c net/ipv4/netfilter/nf_conntrack_proto_icmp.c net/ipv4/tcp_input.c net/netfilter/nf_conntrack_proto_sctp.c
Diffstat (limited to 'arch/mips/kernel/rtlx.c')
-rw-r--r--arch/mips/kernel/rtlx.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index bfc8ca168f83..1ba00c15505b 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -40,12 +40,11 @@
#include <asm/atomic.h>
#include <asm/cpu.h>
#include <asm/processor.h>
+#include <asm/mips_mt.h>
#include <asm/system.h>
#include <asm/vpe.h>
#include <asm/rtlx.h>
-#define RTLX_TARG_VPE 1
-
static struct rtlx_info *rtlx;
static int major;
static char module_name[] = "rtlx";
@@ -57,8 +56,6 @@ static struct chan_waitqueues {
struct mutex mutex;
} channel_wqs[RTLX_CHANNELS];
-static struct irqaction irq;
-static int irq_num;
static struct vpe_notifications notify;
static int sp_stopping = 0;
@@ -85,7 +82,7 @@ static irqreturn_t rtlx_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static __attribute_used__ void dump_rtlx(void)
+static void __used dump_rtlx(void)
{
int i;
@@ -112,7 +109,7 @@ static __attribute_used__ void dump_rtlx(void)
static int rtlx_init(struct rtlx_info *rtlxi)
{
if (rtlxi->id != RTLX_ID) {
- printk(KERN_ERR "no valid RTLX id at 0x%p 0x%x\n", rtlxi, rtlxi->id);
+ printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id);
return -ENOEXEC;
}
@@ -165,10 +162,10 @@ int rtlx_open(int index, int can_sleep)
}
if (rtlx == NULL) {
- if( (p = vpe_get_shared(RTLX_TARG_VPE)) == NULL) {
+ if( (p = vpe_get_shared(tclimit)) == NULL) {
if (can_sleep) {
__wait_event_interruptible(channel_wqs[index].lx_queue,
- (p = vpe_get_shared(RTLX_TARG_VPE)),
+ (p = vpe_get_shared(tclimit)),
ret);
if (ret)
goto out_fail;
@@ -472,11 +469,24 @@ static int rtlx_irq_num = MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ;
static char register_chrdev_failed[] __initdata =
KERN_ERR "rtlx_module_init: unable to register device\n";
-static int rtlx_module_init(void)
+static int __init rtlx_module_init(void)
{
struct device *dev;
int i, err;
+ if (!cpu_has_mipsmt) {
+ printk("VPE loader: not a MIPS MT capable processor\n");
+ return -ENODEV;
+ }
+
+ if (tclimit == 0) {
+ printk(KERN_WARNING "No TCs reserved for AP/SP, not "
+ "initializing RTLX.\nPass maxtcs=<n> argument as kernel "
+ "argument\n");
+
+ return -ENODEV;
+ }
+
major = register_chrdev(0, module_name, &rtlx_fops);
if (major < 0) {
printk(register_chrdev_failed);
@@ -501,7 +511,7 @@ static int rtlx_module_init(void)
/* set up notifiers */
notify.start = starting;
notify.stop = stopping;
- vpe_notify(RTLX_TARG_VPE, &notify);
+ vpe_notify(tclimit, &notify);
if (cpu_has_vint)
set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch);