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sfc: const-qualify source pointers for MMIO write functions

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2012-09-13 01:11:23 +01:00
parent abc71bb939
commit 5383825ca9
1 changed files with 10 additions and 8 deletions
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18
drivers/net/ethernet/sfc/io.h
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@ -83,7 +83,7 @@ static inline __le32 _efx_readd(struct efx_nic *efx, unsigned int reg)
}
/* Write a normal 128-bit CSR, locking as appropriate. */
static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value,
static inline void efx_writeo(struct efx_nic *efx, const efx_oword_t *value,
unsigned int reg)
{
unsigned long flags __attribute__ ((unused));
@ -108,7 +108,7 @@ static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value,
/* Write 64-bit SRAM through the supplied mapping, locking as appropriate. */
static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase,
efx_qword_t *value, unsigned int index)
const efx_qword_t *value, unsigned int index)
{
unsigned int addr = index * sizeof(*value);
unsigned long flags __attribute__ ((unused));
@ -129,7 +129,7 @@ static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase,
}
/* Write a 32-bit CSR or the last dword of a special 128-bit CSR */
static inline void efx_writed(struct efx_nic *efx, efx_dword_t *value,
static inline void efx_writed(struct efx_nic *efx, const efx_dword_t *value,
unsigned int reg)
{
netif_vdbg(efx, hw, efx->net_dev,
@ -190,8 +190,9 @@ static inline void efx_readd(struct efx_nic *efx, efx_dword_t *value,
}
/* Write a 128-bit CSR forming part of a table */
static inline void efx_writeo_table(struct efx_nic *efx, efx_oword_t *value,
unsigned int reg, unsigned int index)
static inline void
efx_writeo_table(struct efx_nic *efx, const efx_oword_t *value,
unsigned int reg, unsigned int index)
{
efx_writeo(efx, value, reg + index * sizeof(efx_oword_t));
}
@ -239,8 +240,9 @@ static inline void _efx_writeo_page(struct efx_nic *efx, efx_oword_t *value,
/* Write a page-mapped 32-bit CSR (EVQ_RPTR or the high bits of
* RX_DESC_UPD or TX_DESC_UPD)
*/
static inline void _efx_writed_page(struct efx_nic *efx, efx_dword_t *value,
unsigned int reg, unsigned int page)
static inline void
_efx_writed_page(struct efx_nic *efx, const efx_dword_t *value,
unsigned int reg, unsigned int page)
{
efx_writed(efx, value, EFX_PAGED_REG(page, reg));
}
@ -256,7 +258,7 @@ static inline void _efx_writed_page(struct efx_nic *efx, efx_dword_t *value,
* collector register.
*/
static inline void _efx_writed_page_locked(struct efx_nic *efx,
efx_dword_t *value,
const efx_dword_t *value,
unsigned int reg,
unsigned int page)
{