openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

spi/pxa2xx: Remove unavailable ssp_type from documentation 

Since commit

commit 2f1a74e5a2
Author: eric miao <eric.miao@marvell.com>
Date:   Wed Nov 21 18:50:53 2007 +0800

    [ARM] pxa: make pxa2xx_spi driver use ssp_request()/ssp_free()

the ssp_type field in struct pxa2xx_spi_master is no longer available.

Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Stefan Schmidt 2011-06-18 20:02:06 +02:00 committed by Grant Likely
parent c52d4e5f3c
commit a2274cedc4
1 changed files with 0 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/spi/pxa2xx
View File

@ -22,15 +22,11 @@ Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a
found in include/linux/spi/pxa2xx_spi.h:
struct pxa2xx_spi_master {
enum pxa_ssp_type ssp_type;
u32 clock_enable;
u16 num_chipselect;
u8 enable_dma;
};
The "pxa2xx_spi_master.ssp_type" field must have a value between 1 and 3 and
informs the driver which features a particular SSP supports.
The "pxa2xx_spi_master.clock_enable" field is used to enable/disable the
corresponding SSP peripheral block in the "Clock Enable Register (CKEN"). See
the "PXA2xx Developer Manual" section "Clocks and Power Management".
@ -61,7 +57,6 @@ static struct resource pxa_spi_nssp_resources[] = {
};
static struct pxa2xx_spi_master pxa_nssp_master_info = {
.ssp_type = PXA25x_NSSP, /* Type of SSP */
.clock_enable = CKEN_NSSP, /* NSSP Peripheral clock */
.num_chipselect = 1, /* Matches the number of chips attached to NSSP */
.enable_dma = 1, /* Enables NSSP DMA */