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2010-08-10caif-spi: Bugfix SPI_DATA_POS settings were inverted.Sjur Braendeland1-2/+2
The setting of SPI_DATA_POS depending on CONFIG_CAIF_SPI_SYNC where inverted. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-26caif: handle snprintf() returnDan Carpenter1-0/+3
snprintf() returns the number of bytes that would have been written. It can be larger than the size of the buffer. The current code won't overflow, but people cut and paste this stuff so lets do it right and also make the static checkers happy. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-12drivers/net/caif: Remove unnecessary casts of private_dataJoe Perches1-2/+2
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29caif-driver: Add CAIF-SPI Protocol driver.Sjur Braendeland4-0/+1122
This patch introduces the CAIF SPI Protocol Driver for CAIF Link Layer. This driver implements a platform driver to accommodate for a platform specific SPI device. A general platform driver is not possible as there are no SPI Slave side Kernel API defined. A sample CAIF SPI Platform device can be found in .../Documentation/networking/caif/spi_porting.txt Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29caif: Kconfig and Makefile fixesSjur Braendeland2-12/+3
Use "depends on" instead of "if" in Kconfig files. Fixed CAIF debug flag, and removed unnecessary clean-* options. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-20caif: Use link layer MTU instead of fixed MTUSjur Braendeland1-1/+0
Previously CAIF supported maximum transfer size of ~4050. The transfer size is now calculated dynamically based on the link layers mtu size. Signed-off-by: Sjur Braendeland@stericsson.com Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02caif: add newlines after declarations in caif_serial.cDan Carpenter1-0/+9
I added newlines after the declarations in caif_serial.c. This is normal kernel style, although I can't see anywhere it's documented. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02caif: remove unneeded variable from caif_net_open()Dan Carpenter1-2/+0
We don't use the "ser" variable so I've removed it. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28caif: Ldisc add permission check and mem-alloc error checkSjur Braendeland1-1/+4
Changes: o Added permission checks for installing. CAP_SYS_ADMIN and CAP_SYS_TTY_CONFIG can install the ldisc. o Check if allocation of skb was successful. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-07caif: tty's are kref objects so take a referenceAlan Cox1-1/+2
I don't think this can be abused in this case but do things properly. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-07caif: check write operationsAlan Cox1-0/+4
write is optional for a tty device. Check that we have a write op rather than calling NULL. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-30net-caif-driver: add CAIF serial driver (ldisc)Sjur Braendeland3-0/+470
Add CAIF Serial driver. This driver is implemented as a line discipline. caif_serial uses the following module parameters: ser_use_stx - specifies if STart of frame eXtension is in use. ser_loop - sets the interface in loopback mode. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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