sfc: SFN4111T: Fix GPIO sharing between I2C and FLASH_CFG_1

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Change sfn4111t_reset() to change only GPIO output enables so that it
doesn't break subsequent I2C operations.

Update comments to explain exactly what we're doing.

Add a short sleep to make sure the FLASH_CFG_1 value is latched before
any subsequent I2C operations.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ben Hutchings 2009-01-29 17:49:29 +00:00 • committed by David S. Miller

parent 8b9dc8dd44

commit 2f08575389

1 changed files with 9 additions and 6 deletions

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15

drivers/net/sfc/sfe4001.c

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