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p54spi: Kconfig option for config blob

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This patch adds an Kconfig option, which allows the user
to select, whenever he/she wants to include a 4k blob for
generic calibration and interface values into the driver,
or cut the module size by about 15 to 20%.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2010-08-22 00:00:14 +02:00 committed by John W. Linville
parent b4c5261206
commit d7065c3055
2 changed files with 23 additions and 1 deletions
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17
drivers/net/wireless/p54/Kconfig
View File

@ -49,6 +49,23 @@ config P54_SPI
If you choose to build a module, it'll be called p54spi.
config P54_SPI_DEFAULT_EEPROM
bool "Include fallback EEPROM blob"
depends on P54_SPI
default n
---help---
Unlike the PCI or USB devices, the SPI variants don't have
a dedicated EEPROM chip to store all device specific values
for calibration, country and interface settings.
The driver will try to load the image "3826.eeprom", if the
file is put at the right place. (usually /lib/firmware.)
Only if this request fails, this option will provide a
backup set of generic values to get the device working.
Enabling this option adds about 4k to p54spi.
config P54_LEDS
bool
depends on P54_COMMON && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = P54_COMMON)

7
drivers/net/wireless/p54/p54spi.c
View File

@ -32,11 +32,14 @@
#include <linux/slab.h>
#include "p54spi.h"
#include "p54spi_eeprom.h"
#include "p54.h"
#include "lmac.h"
#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
#include "p54spi_eeprom.h"
#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
MODULE_FIRMWARE("3826.arm");
MODULE_ALIAS("stlc45xx");
@ -195,9 +198,11 @@ static int p54spi_request_eeprom(struct ieee80211_hw *dev)
ret = request_firmware(&eeprom, "3826.eeprom", &priv->spi->dev);
if (ret < 0) {
#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
dev_info(&priv->spi->dev, "loading default eeprom...\n");
ret = p54_parse_eeprom(dev, (void *) p54spi_eeprom,
sizeof(p54spi_eeprom));
#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
} else {
dev_info(&priv->spi->dev, "loading user eeprom...\n");
ret = p54_parse_eeprom(dev, (void *) eeprom->data,