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Commit c15eed22 authored by Ben Hutchings's avatar Ben Hutchings
Browse files

sfc: Allow efx_nic_type::dimension_resources to fail 



Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent 261e4d96

drivers/net/ethernet/sfc/efx.c

+7 −3
Original line number Original line Diff line number Diff line
@@ -1513,9 +1513,11 @@ static int efx_probe_nic(struct efx_nic *efx) 
	 * in MSI-X interrupts. */

	 * in MSI-X interrupts. */

	rc = efx_probe_interrupts(efx);

	rc = efx_probe_interrupts(efx);

	if (rc)

	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)

	if (efx->n_channels > 1)

		get_random_bytes(&efx->rx_hash_key, sizeof(efx->rx_hash_key));

		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;

	return 0;





fail:

fail2:

	efx_remove_interrupts(efx);

fail1:

	efx->type->remove(efx);

	efx->type->remove(efx);

	return rc;

	return rc;

}

}

drivers/net/ethernet/sfc/falcon.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -2174,10 +2174,11 @@ static int falcon_probe_nvconfig(struct efx_nic *efx) 
	return rc;

	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->rx_dc_base = 0x20000;

	efx->tx_dc_base = 0x26000;

	efx->tx_dc_base = 0x26000;

	return 0;

}

}





/* Probe all SPI devices on the NIC */

/* Probe all SPI devices on the NIC */

drivers/net/ethernet/sfc/net_driver.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -1036,7 +1036,7 @@ struct efx_nic_type { 
	int (*probe)(struct efx_nic *efx);

	int (*probe)(struct efx_nic *efx);

	void (*remove)(struct efx_nic *efx);

	void (*remove)(struct efx_nic *efx);

	int (*init)(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 (*fini)(struct efx_nic *efx);

	void (*monitor)(struct efx_nic *efx);

	void (*monitor)(struct efx_nic *efx);

	enum reset_type (*map_reset_reason)(enum reset_type reason);

	enum reset_type (*map_reset_reason)(enum reset_type reason);

drivers/net/ethernet/sfc/siena.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -177,13 +177,14 @@ static int siena_probe_nvconfig(struct efx_nic *efx) 
	return rc;

	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

	/* Each port has a small block of internal SRAM dedicated to

	 * the buffer table and descriptor caches.  In theory we can

	 * the buffer table and descriptor caches.  In theory we can

	 * map both blocks to one port, but we don't.

	 * map both blocks to one port, but we don't.

	 */

	 */

	efx_farch_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);

	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)

static unsigned int siena_mem_map_size(struct efx_nic *efx)