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DaVinci EMAC: Fix davinci_eth_gigabit_enable 

Enabling the gigabit was overwriting the
previous configuration by setting up only GIGAFORCE and
GIG bits of MAC control register.
Modified to retain previous configuration while
gigabit enabling.

Signed-off-by: Prakash PM <prakash.pm@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sandeep Paulraj 2010-12-28 14:37:33 -05:00 committed by Albert Aribaud
parent 99e4c75463
commit 4b9b9e7c66
1 changed files with 4 additions and 3 deletions
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7
drivers/net/davinci_emac.c
View File

@ -322,9 +322,10 @@ static void __attribute__((unused)) davinci_eth_gigabit_enable(void)
* Check if link detected is giga-bit
* If Gigabit mode detected, enable gigbit in MAC
*/
writel(EMAC_MACCONTROL_GIGFORCE |
EMAC_MACCONTROL_GIGABIT_ENABLE,
&adap_emac->MACCONTROL);
writel(readl(&adap_emac->MACCONTROL) |
EMAC_MACCONTROL_GIGFORCE |
EMAC_MACCONTROL_GIGABIT_ENABLE,
&adap_emac->MACCONTROL);
}
}
}