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This adds an early polled-mode "uart" console driver, based on Andi Kleen's
early_printk work.
The difference is that this locates the UART device directly by its MMIO or
I/O port address, so we don't have to make assumptions about how ttyS
devices will be named. After the normal serial driver starts, we try to
locate the matching ttyS device and start a console there.
Sample usage:
console=uart,io,0x3f8
console=uart,mmio,0xff5e0000,115200n8
If the baud rate isn't specified, we peek at the UART to figure it out.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
The callout code has been removed long ago from 2.6. I believe it is safe
to remove some of its unused defines.
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Patch from SAN People
Patch 2.4.21-rmk1 added a "iomap_base" field to the serial_struct
structure (include/linux/serial.h).
Since that structure is exported to user-space it should be
consistent between revisions of the stable 2.4 kernels.
This patch removes 4 bytes (were "reserved") to restore the size
of the structure.
Without this patch, ioctl(TIOCGSERIAL) will copy_to_user() 4
bytes more than expected and possibly corrupt the application's
stack/heap.
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chips.
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Patch from Randolph Chung, slightly modified by rmk.
When displaying the details of memory mapped serial ports, we want to show
some sane base value. The cookie returned from ioremap can be meaningless
to users (and developers), especially when the cookie could be a dynamically
allocated virtual address.
The more useful cookie is the value passed into ioremap. We already have
support for handling this cookie internally - we haven't allowed the PCI
probe module to hand it to the higher levels until now.
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SERIAL_IO_GSC was a mistake and should never have been added.
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- Ivan Kokshaysky: fix alpha dec_and_lock with modules, for alpha config entry
- Kai Germaschewski: ISDN updates
- Jeff Garzik: network driver updates, sysv fs update
- Kai Mäkisara: SCSI tape update
- Alan Cox: large drivers merge
- Nikita Danilov: reiserfs procfs information
- Andrew Morton: ext3 merge
- Christoph Hellwig: vxfs livelock fix
- Trond Myklebust: NFS updates
- Jens Axboe: cpqarray + cciss dequeue fix
- Tim Waugh: parport_serial base_baud setting
- Matthew Dharm: usb-storage Freecom driver fixes
- Dave McCracken: wait4() thread group race fix
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- Alan Cox: more merging
- L.C. Chang: new SiS IDE PCI id's.
- Maciej Rozycki: make MP table parsing more anal. Should fix broken P4 MP tables.
- Leonard Zubkoff: merge DAC960 completion changes
- Christoph Rohland: saner tmpfs mount-time limit behaviour (and remount)
- me: buffer.c logic update - faster and hopefully livelock-free
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- Alan Cox: continued merging
- Urban Widmark: smbfs fix (d_add on already hashed dentry - no-no).
- Andrew Morton: 3c59x update
- Jeff Garzik: network driver cleanups and fixes
- Gérard Roudier: sym-ncr drivers update
- Jens Axboe: more loop cleanups and fixes
- David Miller: sparc update, some networking fixes
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- XMM: don't allow illegal mxcsr values
- ACPI: handle non-existent battery strings gracefully
- Compaq Smart Array driver update
- Kanoj Sarcar: serial console hardware flow control support
- ide-cs: revert toc-valid cache checking in 2.4.1
- Vojtech Pavlik: update via82cxxx driver to handle the vt82c686
- raid5 graceful failure handling fix
- ne2k-pci: enable device before asking the irq number
- sis900 driver update
- riva FB driver update
- fix silly inode hashing pessimization
- add SO_ACCEPTCONN for SuS
- remove modinfo hack workaround, all newer modutils do it correctly
- datagram socket shutdown fix
- mark process as running when it takes a page-fault
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