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| author | Michal Simek <monstr@monstr.eu> | 2013-05-23 14:52:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-30 21:46:16 +0900 |
| commit | 84524cf43d693746896782628466205ccc193e0d (patch) | |
| tree | b6790d7e12cd7668050189f36b3d2a855e32efd3 /drivers/char/xilinx_hwicap/xilinx_hwicap.h | |
| parent | 1dd24daef9c5a4b51f4981a9c65a36a32b2ea98a (diff) | |
| download | blackbird-obmc-linux-84524cf43d693746896782628466205ccc193e0d.tar.gz blackbird-obmc-linux-84524cf43d693746896782628466205ccc193e0d.zip | |
char: xilinx_hwicap: Fix typo in comment and extend it
s/regsiter/register/
Use origin comment from the first driver version
which also explain the usage of XHI_MAX_RETRIES better.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char/xilinx_hwicap/xilinx_hwicap.h')
| -rw-r--r-- | drivers/char/xilinx_hwicap/xilinx_hwicap.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h index 96677fc7ea4d..38b145eaf24d 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.h +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.h @@ -85,7 +85,13 @@ struct hwicap_driver_config { void (*reset)(struct hwicap_drvdata *drvdata); }; -/* Number of times to poll the done regsiter */ +/* Number of times to poll the done register. This has to be large + * enough to allow an entire configuration to complete. If an entire + * page (4kb) is configured at once, that could take up to 4k cycles + * with a byte-wide icap interface. In most cases, this driver is + * used with a much smaller fifo, but this should be sufficient in the + * worst case. + */ #define XHI_MAX_RETRIES 5000 /************ Constant Definitions *************/ |
