Mouse on Inspiron ?

I have a Dell Inspiron 5748 running -CURRENT, and I can't seem to get the mouse (trackpad)
to work. 

I'm not sure where it's hiding.  I don't see a /dev/psm0, but do see a /dev/sysmouse. 

Ideas?

I'll attach a dmesg, and here's a pciconf -lv:

hostb0_at_pci0:0:0:0:	class=0x060000 card=0x06511028 chip=0x0a048086 rev=0x0b hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Haswell-ULT DRAM Controller'
    class      = bridge
    subclass   = HOST-PCI
vgapci0_at_pci0:0:2:0:	class=0x030000 card=0x06511028 chip=0x0a168086 rev=0x0b hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Haswell-ULT Integrated Graphics Controller'
    class      = display
    subclass   = VGA
hdac0_at_pci0:0:3:0:	class=0x040300 card=0x06511028 chip=0x0a0c8086 rev=0x0b hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Haswell-ULT HD Audio Controller'
    class      = multimedia
    subclass   = HDA
none0_at_pci0:0:22:0:	class=0x078000 card=0x06511028 chip=0x9c3a8086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series HECI'
    class      = simple comms
hdac1_at_pci0:0:27:0:	class=0x040300 card=0x06511028 chip=0x9c208086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series HD Audio Controller'
    class      = multimedia
    subclass   = HDA
pcib1_at_pci0:0:28:0:	class=0x060400 card=0x06511028 chip=0x9c108086 rev=0xe4 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '8 Series PCI Express Root Port 1'
    class      = bridge
    subclass   = PCI-PCI
pcib2_at_pci0:0:28:2:	class=0x060400 card=0x06511028 chip=0x9c148086 rev=0xe4 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '8 Series PCI Express Root Port 3'
    class      = bridge
    subclass   = PCI-PCI
pcib3_at_pci0:0:28:3:	class=0x060400 card=0x06511028 chip=0x9c168086 rev=0xe4 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '8 Series PCI Express Root Port 4'
    class      = bridge
    subclass   = PCI-PCI
ehci0_at_pci0:0:29:0:	class=0x0c0320 card=0x06511028 chip=0x9c268086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series USB EHCI'
    class      = serial bus
    subclass   = USB
isab0_at_pci0:0:31:0:	class=0x060100 card=0x06511028 chip=0x9c438086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series LPC Controller'
    class      = bridge
    subclass   = PCI-ISA
ahci0_at_pci0:0:31:2:	class=0x010601 card=0x06511028 chip=0x9c038086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series SATA Controller 1 [AHCI mode]'
    class      = mass storage
    subclass   = SATA
ichsmb0_at_pci0:0:31:3:	class=0x0c0500 card=0x06511028 chip=0x9c228086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '8 Series SMBus Controller'
    class      = serial bus
    subclass   = SMBus
iwn0_at_pci0:6:0:0:	class=0x028000 card=0x00628086 chip=0x08928086 rev=0xc4 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Centrino Wireless-N 135'
    class      = network
re0_at_pci0:7:0:0:	class=0x020000 card=0x06511028 chip=0x813610ec rev=0x07 hdr=0x00
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller'
    class      = network
    subclass   = ethernet

--  
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler_at_lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961