From c15eed220fd1dd31d7ad2e4893b679331e6f1e74 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Thu, 29 Aug 2013 00:45:48 +0100 Subject: [PATCH] sfc: Allow efx_nic_type::dimension_resources to fail Signed-off-by: Ben Hutchings --- drivers/net/ethernet/sfc/efx.c | 10 +++++++--- drivers/net/ethernet/sfc/falcon.c | 3 ++- drivers/net/ethernet/sfc/net_driver.h | 2 +- drivers/net/ethernet/sfc/siena.c | 3 ++- 4 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 84c47d3..59aa73c 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -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; } diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c index ec77611..a7b30ddb 100644 --- a/drivers/net/ethernet/sfc/falcon.c +++ b/drivers/net/ethernet/sfc/falcon.c @@ -2174,10 +2174,11 @@ out: 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 */ diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 54900f3..89974f7 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -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); diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c index 89180d4..1500405 100644 --- a/drivers/net/ethernet/sfc/siena.c +++ b/drivers/net/ethernet/sfc/siena.c @@ -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) -- 2.7.4