[PATCH 2/2] char: xilinx_hwicap: Fix typo in comment and extend it

[Michal Simek]

From: Michal Simek <monstr@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
 drivers/char/xilinx_hwicap/xilinx_hwicap.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
index 96677fc..38b145e 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 *************/
--
1.8.2.3

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