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This patch fixes "do not add new typedefs"
checkpatch.pl warning in dgnc_types.h
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl warning:
WARNING: Missing a blank line after declarations
Signed-off-by: Mahati Chamarthy <mahati.chamarthy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl warnings:
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Mahati Chamarthy <mahati.chamarthy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl warnings:
WARNING: void function return statements are not generally useful
Signed-off-by: Mahati Chamarthy <mahati.chamarthy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch replaces non-standard spinlock's macros.
It is done using coccinelle and the following semantic patch:
@@
expression x;
@@
- DGNC_SPINLOCK_INIT(x)
+ spin_lock_init(&x)
@@
expression x, y;
@@
- DGNC_LOCK(x, y)
+ spin_lock_irqsave(&x, y)
@@
expression x, y;
@@
- DGNC_UNLOCK(x, y)
+ spin_unlock_irqrestore(&x, y)
@used_by_lock exists@
typedef ulong;
symbol lock_flags;
position p1, p2;
@@
(
ulong lock_flags@p1;
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unsigned long lock_flags@p2;
)
...
(
spin_lock_irqsave(..., lock_flags)
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spin_unlock_irqrestore(..., lock_flags)
)
@@
position used_by_lock.p1, used_by_lock.p2;
@@
(
- ulong lock_flags@p1;
+ unsigned long flags;
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- unsigned long lock_flags@p2;
+ unsigned long flags;
)
<...
- lock_flags
+ flags
...>
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch merges two lines in a single line if immediate
return is found. It also removes unnecessory variable rc
as it is no longer needed.
This is done using Coccinelle. Semantic patch used for this
is as follows:
@@
type T;
identifier i;
identifier f;
constant C;
@@
- T i;
...when != i
when strict
(
return -C;
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- i =
+ return
f(...);
- return i;
)
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Reviewed-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl errors:
ERROR: that open brace { should be on the previous line
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl error:
ERROR: do not initialise statics to 0 or NULL
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl warnings:
WARNING: Prefer kcalloc over kzalloc with multiply
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following checkpatch.pl warnings:
WARNING: printk() should include KERN_ facility level
It replaces printk() with dev_dbg() in order to avoid the warning that a more
specific function should be used.
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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split two assignments into the two assignments on two lines.
CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit changes the memory allocation flags to ATOMIC in order to
avoid sleeping in the nowait/nolock code.
Signed-off-by: Konrad Zapalowicz <bergo.torino+kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch.pl fix. Use #include <linux/uaccess.h> instead of
<asm/uaccess.h>
Signed-off-by: Kieron Browne <kieron.browne@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In dgnc_drivers.h, DPR macro and DPR_* macros are defined but do nothing.
So remove them and related codes.
CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit moves the utility functions out of dgnc_driver.c file and
puts them in the new dgnc_utils.{c,h} files. The accompanying changes
adjust the existing code to work with this design.
Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This comit fixes the following sparse warnign:
drivers/staging/dgnc/dgnc_tty.c:572:1:
warning: the frame size of 1060 bytes is larger than 1024 bytes
[-Wframe-larger-than=]
This was caused by having buffer as an automatic variable. This commit
moves it from the stack to the heap.
Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removes unneeded dgnc_trace.c and dgnc_trace.h
CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes commented code in dgnc driver.
CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The brd is allocated by kzalloc() in dgnc_found_board()
so do not need to set 0 to member variable.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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dgnc_tty_ioctl() cannot reach the end of function.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The "un->un_open_count" is unsigned variable, so it cannot
be less than zero.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove a prohibited space before a closed parenthesis of if statement
to meet kernel coding style.
Signed-off-by: Masaru Nomura <massa.nomura@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a required space before an open parenthesis of if statement
to meet kernel coding style.
Signed-off-by: Masaru Nomura <massa.nomura@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary curly braces of if statements in dgnc_neo.c and
dgnc_tty.c to meet kernel coding style.
Signed-off-by: Masaru Nomura <massa.nomura@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix indenting of if-else statement in dgnc_neo.c and dgnc_tty.c
so that following else-if or else statement meets coding style.
Signed-off-by: Masaru Nomura <massa.nomura@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Coccinelle was used for this patch. The script is not complete (semantically) and might raise some checkpatch warnings in terms of indentation depending on existing code.
*** IFASSIGNMENT.COCCI START ***
/* Coccinelle script to handle assignments in if statements
* For compound statements, can so far only handle statements with the
* assignment on either extreme */
/* This rule is for simple cases
* e.g. just an assignment in if, possibly with unary operator */
@simple@
expression E1, E2;
statement S1, S2;
@@
+ E1 = E2;
if (
- (E1 = E2)
+ E1
)
S1 else S2
/* This rule is for compound statements where the assignment is on the right.*/
@right@
expression E, E1, E2;
statement S1, S2;
@@
(
/* and */
- if (E && (E1 = E2))
+ if (E) {
+ E1 = E2;
+ if (E1)
S1 else S2
+ } else S2
|
- if (E && (E1 = E2))
+ if (E) {
+ E1 = E2;
+ if (E1)
S1
+ }
/* or */
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- if (E || (E1 = E2))
+ if (!E) {
+ E1 = E2;
+ if (E1)
S1 else S2
+ }
+ else S1
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- if (E || (E1 = E2))
+ if (!E) {
+ E1 = E2;
+ if (E1) S1
+ } else
S1
/* not equal */
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- if (E != (E1 = E2))
+ E1 = E2;
+ if (E != E1)
S1 else S2
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- if (E != (E1 = E2))
+ E1 = E2;
+ if (E != E1)
S1
/* equal */
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- if (E == (E1 = E2))
+ E1 = E2;
+ if (E == E1)
S1 else S2
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- if (E == (E1 = E2))
+ E1 = E2;
+ if (E == E1)
S1
/* greater than */
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- if (E > (E1 = E2))
+ E1 = E2;
+ if (E > E1)
S1 else S2
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- if (E > (E1 = E2))
+ E1 = E2;
+ if (E > E1)
S1
/* less than */
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- if (E < (E1 = E2))
+ E1 = E2;
+ if (E < E1)
S1 else S2
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- if (E < (E1 = E2))
+ E1 = E2;
+ if (E < E1)
S1
/* lesser than or equal to */
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- if (E <= (E1 = E2))
+ E1 = E2;
+ if (E <= E1)
S1 else S2
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- if (E <= (E1 = E2))
+ E1 = E2;
+ if (E <= E1)
S1
/* greater than or equal to */
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- if (E >= (E1 = E2))
+ E1 = E2;
+ if (E >= E1)
S1 else S2
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- if (E >= (E1 = E2))
+ E1 = E2;
+ if (E >= E1)
S1
)
/* This rule is for compound statements where the assignment is on the left.*/
@left@
expression E, E1, E2;
statement S1, S2;
@@
(
/* and */
- if ((E1 = E2) && E)
+ E1 = E2;
+ if (E1 && E)
S1 else S2
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- if ((E1 = E2) && E)
+ E1 = E2;
+ if (E1 && E)
S1
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/* or */
- if ((E1 = E2) || E)
+ E1 = E2;
+ if (E1 || E)
S1
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- if ((E1 = E2) || E)
+ E1 = E2;
+ if (E1 || E)
S1 else S2
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/* not equal */
- if ((E1 = E2) != E)
+ E1 = E2;
+ if (E1 != E)
S1
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- if ((E1 = E2) != E)
+ E1 = E2;
+ if (E1 != E)
S1 else S2
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/* equal */
- if ((E1 = E2) == E)
+ E1 = E2;
+ if (E1 == E)
S1
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- if ((E1 = E2) == E)
+ E1 = E2;
+ if (E1 == E)
S1 else S2
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/* greater */
- if ((E1 = E2) > E)
+ E1 = E2;
+ if (E1 > E)
S1
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- if ((E1 = E2) > E)
+ E1 = E2;
+ if (E1 > E)
S1 else S2
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/* less */
- if ((E1 = E2) < E)
+ E1 = E2;
+ if (E1 < E)
S1
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- if ((E1 = E2) < E)
+ E1 = E2;
+ if (E1 < E)
S1 else S2
/* lesser than or equal to */
- if ((E1 = E2) <= E)
+ E1 = E2;
+ if (E1 <= E)
S1
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- if ((E1 = E2) <= E)
+ E1 = E2;
+ if (E1 <= E)
S1 else S2
/* greater than or equal to */
- if ((E1 = E2) >= E)
+ E1 = E2;
+ if (E1 >= E)
S1
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- if ((E1 = E2) >= E)
+ E1 = E2;
+ if (E1 >= E)
S1 else S2
)
*** IFASSIGNMENT.COCCI END ***
Signed-off-by: Chi Pham <fempsci@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It doesn't need to use while loop for getting newrate,
because it always breaks out the end of while loop with
"break". So just replace while with if.
And the type of newrate is "unsigned int", this type
is never less than zero. If it can be set to negative value by
user application with ioctl(), it is not zero but it
can be a unexpected value for setting custom baudrate.
Also smatch says:
drivers/staging/dgnc/dgnc_tty.c:967 dgnc_set_custom_speed() warn:
unsigned 'newrate' is never less than zero.
drivers/staging/dgnc/dgnc_tty.c:981 dgnc_set_custom_speed() info:
ignoring unreachable code.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Do not use 0 for NULL pointer.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The arguments that were passed into sizeof were
generic. This patch changes this by putting
the actual item that we need a size of instead.
For example:
- kzalloc(sizeof(struct dgnc_board), GFP_KERNEL);
+ kzalloc(sizeof(*brd), GFP_KERNEL);
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the conditionals that make sure
the driver supports various versions of the kernel.
They aren't needed.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Correct spelling typo in comments
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes parentheses around return
statements. They aren't needed.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch renames the struct board_t to dgnc_board. board_t
wasn't a good name for it since the _t suffix is for typedefs.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch replaces dgnc_driver_kzmalloc with kzalloc.
A patch that follows removes the dgnc_driver_kzmalloc
function.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch edits the type casts neo_uart_struct and
cls_uart_struct. A previous patch added the marker __iomem
to these structs. This patch ensures that the change to
the marker is consistent. This also removes these
sparse warnings:
warning: incorrect type in assignment (different address spaces)
expected struct neo_uart_struct [noderef] <asn:2>*ch_neo_uart
got struct neo_uart_struct *<noident>
warning: incorrect type in assignment (different address spaces)
expected struct cls_uart_struct [noderef] <asn:2>*ch_cls_uart
got struct cls_uart_struct *<noident>
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch edits the vaddr variable in dgnc_tty_init.
The variable gets set to board_t->re_map_membase. A
previous patch changed the re_map_membase variable's
marker and type. This patch makes sure that the
changes are consistent and that it doesn't cause
sparse warnings.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the error "code indent should use
tabs where possible" in dgnc_tty.c.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the error: "foo* bar" should be "foo *bar".
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the code supporting CVS
from its files.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes trailing whitespace in
the dgnc_tty.c file.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the use of read_cnt, real_raw, buf and rawreadok. The
variable buf is never used in the code. The variables rawreadok read_cnt
and real_raw don't exist in the new API. Reading the data raw is no
longer supported by the tty layer.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The declaration for the ioctl function has changed. The previous version
of this declaration took struct file *file as a parameter and the new
one does not. This patch removes that parameter.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commands TIOCGETP, TCGETS, and TCGETA are not supposed to be seen by
the ioctl. This patch removes the switch cases for these commands.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The value tty->termios needed to be dereferenced to be assigned to the
variable ts.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The functions tty_flip_buffer_push, tty_insert_flip_string,
tty_insert_flip_char and tty_buffer_request_room now require a struct of
type tty_port instead of struct tty_struct. This patch makes those
changes.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes this error: invalid type argument of ‘->’ (have ‘struct ktermios’).
There were changes in the tty layer's API. Access to the termios flags changed from tty->termios->*flag* to tty->termios.*flag*.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the DGNC driver. This is a TTY Serial Port
Driver for the Digi International Neo and Classic PCI based product
line by Digi International <http://www.digi.com>.
This driver isn't hooked up to the build system because it doesn't
build, it merely adds the driver written by Digi to the kernel tree so
that it can be cleaned up and fixed up properly over time.
Cc: Mark Hounschell <markh@compro.net>
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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