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mwifiex: add memrw command information in README

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Support for this debugfs command is available in driver. This patch
adds usage information in README file.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Amitkumar Karwar 2016-09-28 18:18:25 +05:30 committed by Kalle Valo
parent 113630b581
commit a936ea5436
1 changed files with 23 additions and 0 deletions
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23
drivers/net/wireless/marvell/mwifiex/README
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@ -180,6 +180,29 @@ regrdwr
echo "1 0xa060 0x12" > regrdwr : Write the MAC register
echo "1 0xa794 0x80000000" > regrdwr
: Write 0x80000000 to MAC register
memrw
This command is used to read/write the firmware memory.
Usage:
1) For reading firmware memory location.
echo r <address> 0 > /sys/kernel/debug/mwifiex/mlan0/memrw
cat /sys/kernel/debug/mwifiex/mlan0/memrw
2) For writing value to firmware memory location.
echo w <address> [value] > /sys/kernel/debug/mwifiex/mlan0/memrw
where the parameters are,
<address>: memory address
[value]: value to be written
Examples:
echo r 0x4cf70 0 > /sys/kernel/debug/mwifiex/mlan0/memrw
cat /sys/kernel/debug/mwifiex/mlan0/memrw
: Read memory address 0x4cf70
iwpriv mlan0 memrdwr -0x7fff6000 -0x40000000
echo w 0x8000a000 0xc0000000 > /sys/kernel/debug/mwifiex/mlan0/memrw
: Write 0xc0000000 to memory address 0x8000a000
rdeeprom
This command is used to read the EEPROM contents of the card.