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authorMike Rapoport <mike@compulab.co.il>2009-02-03 02:04:20 -0500
committerJohn W. Linville <linville@tuxdriver.com>2009-02-09 15:03:48 -0500
commit0c2bec96945ccfc4a58a88d73531e392972ba6c5 (patch)
treec3bfabe4cc063031e0a647f519499d9053099ec0 /include/linux/spi
parentd43e87868f67c5b52defd8d82bc3f54347ed2408 (diff)
libertas: if_spi: add ability to call board specific setup/teardown methods
In certain cases it is required to perform board specific actions before activating libertas G-SPI interface. These actions may include power up of the chip, GPIOs setup, proper pin-strapping and SPI controller config. This patch adds ability to call board specific setup/teardown methods Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Andrey Yurovsky <andrey@cozybit.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/libertas_spi.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/spi/libertas_spi.h b/include/linux/spi/libertas_spi.h
index ada71b4f3788..79506f5f9e67 100644
--- a/include/linux/spi/libertas_spi.h
+++ b/include/linux/spi/libertas_spi.h
@@ -10,6 +10,9 @@
10 */ 10 */
11#ifndef _LIBERTAS_SPI_H_ 11#ifndef _LIBERTAS_SPI_H_
12#define _LIBERTAS_SPI_H_ 12#define _LIBERTAS_SPI_H_
13
14struct spi_device;
15
13struct libertas_spi_platform_data { 16struct libertas_spi_platform_data {
14 /* There are two ways to read data from the WLAN module's SPI 17 /* There are two ways to read data from the WLAN module's SPI
15 * interface. Setting 0 or 1 here controls which one is used. 18 * interface. Setting 0 or 1 here controls which one is used.
@@ -21,5 +24,9 @@ struct libertas_spi_platform_data {
21 24
22 /* GPIO number to use as chip select */ 25 /* GPIO number to use as chip select */
23 u16 gpio_cs; 26 u16 gpio_cs;
27
28 /* Board specific setup/teardown */
29 int (*setup)(struct spi_device *spi);
30 int (*teardown)(struct spi_device *spi);
24}; 31};
25#endif 32#endif