This is a note to let you know that I've just added the patch titled
staging: comedi: cb_pcimdas: fix handlers for DI and DO subdevices
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
staging-comedi-cb_pcimdas-fix-handlers-for-di-and-do-subdevices.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b08ad6657aacf9b5d7c4b22de2ba891b152d0528 Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@xxxxxxxxx>
Date: Fri, 12 Jun 2015 16:37:41 +0100
Subject: staging: comedi: cb_pcimdas: fix handlers for DI and DO subdevices
From: Ian Abbott <abbotti@xxxxxxxxx>
commit b08ad6657aacf9b5d7c4b22de2ba891b152d0528 upstream.
Normally, low-level Comedi drivers set an `insn_bits` handler for
digital input (DI), digital output (DO) and digital input/output (DIO)
subdevice types to handle normal reading and writing of digital
channels. The "cb_pcimdas" driver currently has an `insn_read` handler
for the DI subdevice and an `insn_write` handler for the DO subdevice.
However, the actual handler functions `cb_pcimdas_di_insn_read()` and
`cb_pcimdas_do_insn_write()` are written to behave like `insn_bits`
handlers. Something's wrong there! To fix it, set the functions as
`insn_bits` handlers and rename them for consistency.
Fixes: e56d03dee14a ("staging: comedi: cb_pcimdas: add main connector digital input/output")
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/cb_pcimdas.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -243,7 +243,7 @@ static int cb_pcimdas_ao_insn_write(stru
return insn->n;
}
-static int cb_pcimdas_di_insn_read(struct comedi_device *dev,
+static int cb_pcimdas_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
@@ -258,7 +258,7 @@ static int cb_pcimdas_di_insn_read(struc
return insn->n;
}
-static int cb_pcimdas_do_insn_write(struct comedi_device *dev,
+static int cb_pcimdas_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
@@ -424,7 +424,7 @@ static int cb_pcimdas_auto_attach(struct
s->n_chan = 4;
s->maxdata = 1;
s->range_table = &range_digital;
- s->insn_read = cb_pcimdas_di_insn_read;
+ s->insn_bits = cb_pcimdas_di_insn_bits;
/* Digital Output subdevice (main connector) */
s = &dev->subdevices[4];
@@ -433,7 +433,7 @@ static int cb_pcimdas_auto_attach(struct
s->n_chan = 4;
s->maxdata = 1;
s->range_table = &range_digital;
- s->insn_write = cb_pcimdas_do_insn_write;
+ s->insn_bits = cb_pcimdas_do_insn_bits;
/* Counter subdevice (8254) */
s = &dev->subdevices[5];
Patches currently in stable-queue which might be from abbotti@xxxxxxxxx are
queue-4.1/staging-comedi-cb_pcimdas-fix-handlers-for-di-and-do-subdevices.patch
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