diff options
| author | Alan Cox <alan@linux.intel.com> | 2009-11-18 14:07:29 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 12:23:21 -0800 |
| commit | cfc52eb676a88721221bd89e94222483f681ffe6 (patch) | |
| tree | 82831b3a50e5aaf5d2b05b4b9aecb42e18cc549f /drivers/staging | |
| parent | 42a03e98d1a691bb66bd9fde021aa9c95bce1cd6 (diff) | |
Staging: et131x: Another typedef solely used to write 0 to a register
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/et131x/et1310_address_map.h | 20 | ||||
| -rw-r--r-- | drivers/staging/et131x/et131x_isr.c | 13 |
2 files changed, 9 insertions, 24 deletions
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h index 8b514a0acc1c..f751022b36d3 100644 --- a/drivers/staging/et131x/et1310_address_map.h +++ b/drivers/staging/et131x/et1310_address_map.h @@ -803,21 +803,11 @@ typedef union _TXMAC_ERR_INT_t { /* * structure for error interrupt reg in txmac address map * located at address 0x3020 + * + * 31-2: unused + * 1: bp_req + * 0: bp_xonxoff */ -typedef union _TXMAC_CP_CTRL_t { - u32 value; - struct { -#ifdef _BIT_FIELDS_HTOL - u32 unused:30; /* bits 2-31 */ - u32 bp_req:1; /* bit 1 */ - u32 bp_xonxoff:1; /* bit 0 */ -#else - u32 bp_xonxoff:1; /* bit 0 */ - u32 bp_req:1; /* bit 1 */ - u32 unused:30; /* bits 2-31 */ -#endif - } bits; -} TXMAC_BP_CTRL_t, *PTXMAC_BP_CTRL_t; /* * Tx MAC Module of JAGCore Address Mapping @@ -831,7 +821,7 @@ typedef struct _TXMAC_t { /* Location: */ u32 tx_test; /* 0x3014 */ TXMAC_ERR_t err; /* 0x3018 */ TXMAC_ERR_INT_t err_int; /* 0x301C */ - TXMAC_BP_CTRL_t bp_ctrl; /* 0x3020 */ + u32 bp_ctrl; /* 0x3020 */ } TXMAC_t, *PTXMAC_t; /* END OF TXMAC REGISTER ADDRESS MAP */ diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c index 3aeac7b92281..f6d452dd14e2 100644 --- a/drivers/staging/et131x/et131x_isr.c +++ b/drivers/staging/et131x/et131x_isr.c @@ -287,17 +287,12 @@ void et131x_isr_handler(struct work_struct *work) u32 pm_csr; /* Tell the device to send a pause packet via - * the back pressure register + * the back pressure register (bp req and + * bp xon/xoff) */ pm_csr = readl(&iomem->global.pm_csr); - if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) { - TXMAC_BP_CTRL_t bp_ctrl = { 0 }; - - bp_ctrl.bits.bp_req = 1; - bp_ctrl.bits.bp_xonxoff = 1; - writel(bp_ctrl.value, - &iomem->txmac.bp_ctrl.value); - } + if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) + writel(3, &iomem->txmac.bp_ctrl); } } |