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ibm_newemac: Added 16K Tx FIFO size support for EMAC4
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Some of the EMAC V4 implementations support 16K Tx FIFOs. This
patch adds support for this functionality and fixes typos in the
Tx FIFO size error messages.

Signed-off-by: Dave Mitchell <dmitchell@appliedmicro.com>
Acked-by: Prodyut Hazarika <phazarika@appliedmicro.com>
Acked-by: Victor Gallardo <vgallardo@appliedmicro.com>
Acked-by: Loc Ho <lho@appliedmicro.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dave Mitchell authored and David S. Miller committed Oct 9, 2009
1 parent efd7d26 commit 3201fce
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Showing 2 changed files with 6 additions and 2 deletions.
7 changes: 5 additions & 2 deletions drivers/net/ibm_newemac/core.c
Original file line number Diff line number Diff line change
Expand Up @@ -443,7 +443,7 @@ static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_s
ret |= EMAC_MR1_TFS_2K;
break;
default:
printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
dev->ndev->name, tx_size);
}

Expand All @@ -470,14 +470,17 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
DBG2(dev, "__emac4_calc_base_mr1" NL);

switch(tx_size) {
case 16384:
ret |= EMAC4_MR1_TFS_16K;
break;
case 4096:
ret |= EMAC4_MR1_TFS_4K;
break;
case 2048:
ret |= EMAC4_MR1_TFS_2K;
break;
default:
printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
dev->ndev->name, tx_size);
}

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1 change: 1 addition & 0 deletions drivers/net/ibm_newemac/emac.h
Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,7 @@ struct emac_regs {
#define EMAC4_MR1_RFS_16K 0x00280000
#define EMAC4_MR1_TFS_2K 0x00020000
#define EMAC4_MR1_TFS_4K 0x00030000
#define EMAC4_MR1_TFS_16K 0x00050000
#define EMAC4_MR1_TR 0x00008000
#define EMAC4_MR1_MWSW_001 0x00001000
#define EMAC4_MR1_JPSM 0x00000800
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