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TTY/Serial patches for 4.6-rc1

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Here's the big tty/serial driver pull request for 4.6-rc1.
 
 Lots of changes in here, Peter has been on a tear again, with lots of
 refactoring and bugs fixes, many thanks to the great work he has been
 doing.  Lots of driver updates and fixes as well, full details in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Merge tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here's the big tty/serial driver pull request for 4.6-rc1.

  Lots of changes in here, Peter has been on a tear again, with lots of
  refactoring and bugs fixes, many thanks to the great work he has been
  doing.  Lots of driver updates and fixes as well, full details in the
  shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (220 commits)
  serial: 8250: describe CONFIG_SERIAL_8250_RSA
  serial: samsung: optimize UART rx fifo access routine
  serial: pl011: add mark/space parity support
  serial: sa1100: make sa1100_register_uart_fns a function
  tty: serial: 8250: add MOXA Smartio MUE boards support
  serial: 8250: convert drivers to use up_to_u8250p()
  serial: 8250/mediatek: fix building with SERIAL_8250=m
  serial: 8250/ingenic: fix building with SERIAL_8250=m
  serial: 8250/uniphier: fix modular build
  Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
  Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
  serial: mvebu-uart: initial support for Armada-3700 serial port
  serial: mctrl_gpio: Add missing module license
  serial: ifx6x60: avoid uninitialized variable use
  tty/serial: at91: fix bad offset for UART timeout register
  tty/serial: at91: restore dynamic driver binding
  serial: 8250: Add hardware dependency to RT288X option
  TTY, devpts: document pty count limiting
  tty: goldfish: support platform_device with id -1
  drivers: tty: goldfish: Add device tree bindings
  ...
This commit is contained in:
Linus Torvalds 2016-03-17 13:53:25 -07:00
commit 96b9b1c956
139 changed files with 3447 additions and 3701 deletions
Download patch file Download diff file Expand all files Collapse all files

32
drivers/of/fdt.c
View file

@ -796,14 +796,13 @@ static inline void early_init_dt_check_for_initrd(unsigned long node)
#endif /* CONFIG_BLK_DEV_INITRD */
#ifdef CONFIG_SERIAL_EARLYCON
extern struct of_device_id __earlycon_of_table[];
static int __init early_init_dt_scan_chosen_serial(void)
{
int offset;
const char *p;
const char *p, *q, *options = NULL;
int l;
const struct of_device_id *match = __earlycon_of_table;
const struct earlycon_id *match;
const void *fdt = initial_boot_params;
offset = fdt_path_offset(fdt, "/chosen");
@ -818,27 +817,26 @@ static int __init early_init_dt_scan_chosen_serial(void)
if (!p || !l)
return -ENOENT;
/* Remove console options if present */
l = strchrnul(p, ':') - p;
q = strchrnul(p, ':');
if (*q != '\0')
options = q + 1;
l = q - p;
/* Get the node specified by stdout-path */
offset = fdt_path_offset_namelen(fdt, p, l);
if (offset < 0)
return -ENODEV;
if (offset < 0) {
pr_warn("earlycon: stdout-path %.*s not found\n", l, p);
return 0;
}
while (match->compatible[0]) {
u64 addr;
if (fdt_node_check_compatible(fdt, offset, match->compatible)) {
match++;
for (match = __earlycon_table; match < __earlycon_table_end; match++) {
if (!match->compatible[0])
continue;
}
addr = fdt_translate_address(fdt, offset);
if (addr == OF_BAD_ADDR)
return -ENXIO;
if (fdt_node_check_compatible(fdt, offset, match->compatible))
continue;
of_setup_earlycon(addr, match->data);
of_setup_earlycon(match, offset, options);
return 0;
}
return -ENODEV;

11
drivers/of/fdt_address.c
View file

@ -161,7 +161,7 @@ static int __init fdt_translate_one(const void *blob, int parent,
* that can be mapped to a cpu physical address). This is not really specified
* that way, but this is traditionally the way IBM at least do things
*/
u64 __init fdt_translate_address(const void *blob, int node_offset)
static u64 __init fdt_translate_address(const void *blob, int node_offset)
{
int parent, len;
const struct of_bus *bus, *pbus;
@ -239,3 +239,12 @@ u64 __init fdt_translate_address(const void *blob, int node_offset)
bail:
return result;
}
/**
* of_flat_dt_translate_address - translate DT addr into CPU phys addr
* @node: node in the flat blob
*/
u64 __init of_flat_dt_translate_address(unsigned long node)
{
return fdt_translate_address(initial_boot_params, node);
}