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47 lines
1.3 KiB
47 lines
1.3 KiB
--- a/include/linux/rt2x00_platform.h
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+++ b/include/linux/rt2x00_platform.h
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@@ -14,6 +14,9 @@
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struct rt2x00_platform_data {
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char *eeprom_file_name;
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+
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+ int disable_2ghz;
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+ int disable_5ghz;
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};
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#endif /* _RT2X00_PLATFORM_H */
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
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@@ -1026,6 +1026,22 @@ static int rt2x00lib_probe_hw_modes(stru
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unsigned int num_rates;
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unsigned int i;
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+ if (rt2x00dev->dev->platform_data) {
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+ struct rt2x00_platform_data *pdata;
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+
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+ pdata = rt2x00dev->dev->platform_data;
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+ if (pdata->disable_2ghz)
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+ spec->supported_bands &= ~SUPPORT_BAND_2GHZ;
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+ if (pdata->disable_5ghz)
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+ spec->supported_bands &= ~SUPPORT_BAND_5GHZ;
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+ }
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+
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+ if ((spec->supported_bands & SUPPORT_BAND_BOTH) == 0) {
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+ rt2x00_err(rt2x00dev, "No supported bands\n");
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+ return -EINVAL;
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+ }
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+
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+
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num_rates = 0;
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if (spec->supported_rates & SUPPORT_RATE_CCK)
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num_rates += 4;
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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@@ -409,6 +409,7 @@ struct hw_mode_spec {
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unsigned int supported_bands;
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#define SUPPORT_BAND_2GHZ 0x00000001
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#define SUPPORT_BAND_5GHZ 0x00000002
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+#define SUPPORT_BAND_BOTH (SUPPORT_BAND_2GHZ | SUPPORT_BAND_5GHZ)
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unsigned int supported_rates;
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#define SUPPORT_RATE_CCK 0x00000001
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