Commit Graph

10 Commits

Author SHA1 Message Date
Sean Young 6d741bfed5 media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_*
RC_TYPE is confusing and it's just the protocol. So rename it.

Suggested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sean Young <sean@mess.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-20 10:02:48 -04:00
Sean Young 518f4b26be media: rc-core: rename input_name to device_name
When an ir-spi is registered, you get this message.

rc rc0: Unspecified device as /devices/platform/soc/3f215080.spi/spi_master/spi32766/spi32766.128/rc/rc0

"Unspecified device" refers to input_name, which makes no sense for IR
TX only devices. So, rename to device_name.

Also make driver_name const char* so that no casts are needed anywhere.

Now ir-spi reports:

rc rc0: IR SPI as /devices/platform/soc/3f215080.spi/spi_master/spi32766/spi32766.128/rc/rc0

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-20 09:43:52 -04:00
Gustavo A. R. Silva 6efa094369 media: sir_ir: remove unnecessary static in sir_interrupt()
Remove unnecessary static on local variable delt.
Such variable is initialized before being used,
on every execution path throughout the function.
The static has no benefit and, removing it reduces
the code size.

This issue was detected using Coccinelle and the following semantic patch:

@bad exists@
position p;
identifier x;
type T;
@@

static T x@p;
...
x = <+...x...+>

@@
identifier x;
expression e;
type T;
position p != bad.p;
@@

-static
 T x@p;
 ... when != x
     when strict
?x = e;

In the following log you can see the difference in the code size. Also,
there is a significant difference in the bss segment. This log is the
output of the size command, before and after the code change:

before:
   text    data     bss     dec     hex filename
   5009    3456     576    9041    2351 drivers/media/rc/sir_ir.o

after:
   text    data     bss     dec     hex filename
   4988    3400     512    8900    22c4 drivers/media/rc/sir_ir.o

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-20 09:41:43 -04:00
Sean Young 6709e03cba [media] sir_ir: annotate hardware config module parameters
This module was merged after commit 5a8fc6a3ce ("Annotate hardware
config module parameters in drivers/media/"), so add add the missing
hardware annotations.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-13 13:49:24 -03:00
Sean Young c52f2ba747 [media] sir_ir: remove init_chrdev and init_sir_ir functions
Inlining these functions into the probe function makes it much
more readable.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-06 09:16:16 -03:00
Sean Young f23f540870 [media] sir_ir: remove init_port and drop_port functions
These functions are too short and removing them makes the code more
readable.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-06 09:15:38 -03:00
Sean Young b462e1b20d [media] sir_ir: use dev managed resources
Several error paths do not free up resources. This simplifies the code
and fixes this.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-06 09:15:00 -03:00
Sean Young 1beb5a7d1b [media] sir_ir: attempt to free already free_irq
If the probe fails (e.g. port already in use), rmmod causes null deref.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-06 09:14:23 -03:00
Sean Young 592ddc9f7d [media] sir_ir: infinite loop in interrupt handler
Since this driver does no detection of hardware, it might be used with
a non-sir port. Escape out if we are spinning.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-05-18 06:16:41 -03:00
Sean Young e662671619 [media] rc: promote lirc_sir out of staging
Rename lirc_sir to sir_ir in the process.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-05 14:50:57 -03:00