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sfc: Allow efx_nic_type::dimension_resources to fail 

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-08-29 00:45:48 +01:00
parent 261e4d96b4
commit c15eed220f
4 changed files with 12 additions and 6 deletions
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10
drivers/net/ethernet/sfc/efx.c
View File

@ -1513,9 +1513,11 @@ static int efx_probe_nic(struct efx_nic *efx)
* in MSI-X interrupts. */
rc = efx_probe_interrupts(efx);
if (rc)
goto fail;
goto fail1;
efx->type->dimension_resources(efx);
rc = efx->type->dimension_resources(efx);
if (rc)
goto fail2;
if (efx->n_channels > 1)
get_random_bytes(&efx->rx_hash_key, sizeof(efx->rx_hash_key));
@ -1533,7 +1535,9 @@ static int efx_probe_nic(struct efx_nic *efx)
return 0;
fail:
fail2:
efx_remove_interrupts(efx);
fail1:
efx->type->remove(efx);
return rc;
}

3
drivers/net/ethernet/sfc/falcon.c
View File

@ -2174,10 +2174,11 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
return rc;
}
static void falcon_dimension_resources(struct efx_nic *efx)
static int falcon_dimension_resources(struct efx_nic *efx)
{
efx->rx_dc_base = 0x20000;
efx->tx_dc_base = 0x26000;
return 0;
}
/* Probe all SPI devices on the NIC */

2
drivers/net/ethernet/sfc/net_driver.h
View File

@ -1036,7 +1036,7 @@ struct efx_nic_type {
int (*probe)(struct efx_nic *efx);
void (*remove)(struct efx_nic *efx);
int (*init)(struct efx_nic *efx);
void (*dimension_resources)(struct efx_nic *efx);
int (*dimension_resources)(struct efx_nic *efx);
void (*fini)(struct efx_nic *efx);
void (*monitor)(struct efx_nic *efx);
enum reset_type (*map_reset_reason)(enum reset_type reason);

3
drivers/net/ethernet/sfc/siena.c
View File

@ -177,13 +177,14 @@ static int siena_probe_nvconfig(struct efx_nic *efx)
return rc;
}
static void siena_dimension_resources(struct efx_nic *efx)
static int siena_dimension_resources(struct efx_nic *efx)
{
/* Each port has a small block of internal SRAM dedicated to
* the buffer table and descriptor caches. In theory we can
* map both blocks to one port, but we don't.
*/
efx_farch_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);
return 0;
}
static unsigned int siena_mem_map_size(struct efx_nic *efx)