Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus

[pandora-kernel.git] / drivers / net / sfc / siena.c

diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index fb4721f..2c3bd93 100644 (file)
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -177,6 +177,36 @@ static int siena_test_registers(struct efx_nic *efx)
  **************************************************************************
  */
 
+static enum reset_type siena_map_reset_reason(enum reset_type reason)
+{
+       return RESET_TYPE_ALL;
+}
+
+static int siena_map_reset_flags(u32 *flags)
+{
+       enum {
+               SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
+                                   ETH_RESET_OFFLOAD | ETH_RESET_MAC |
+                                   ETH_RESET_PHY),
+               SIENA_RESET_MC = (SIENA_RESET_PORT |
+                                 ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
+       };
+
+       if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
+               *flags &= ~SIENA_RESET_MC;
+               return RESET_TYPE_WORLD;
+       }
+
+       if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
+               *flags &= ~SIENA_RESET_PORT;
+               return RESET_TYPE_ALL;
+       }
+
+       /* no invisible reset implemented */
+
+       return -EINVAL;
+}
+
 static int siena_reset_hw(struct efx_nic *efx, enum reset_type method)
 {
        int rc;
@@ -220,26 +250,12 @@ static int siena_probe_nic(struct efx_nic *efx)
        efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
        efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
 
-       /* Initialise MCDI */
-       nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys +
-                                             FR_CZ_MC_TREG_SMEM,
-                                             FR_CZ_MC_TREG_SMEM_STEP *
-                                             FR_CZ_MC_TREG_SMEM_ROWS);
-       if (!nic_data->mcdi_smem) {
-               netif_err(efx, probe, efx->net_dev,
-                         "could not map MCDI at %llx+%x\n",
-                         (unsigned long long)efx->membase_phys +
-                         FR_CZ_MC_TREG_SMEM,
-                         FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS);
-               rc = -ENOMEM;
-               goto fail1;
-       }
        efx_mcdi_init(efx);
 
        /* Recover from a failed assertion before probing */
        rc = efx_mcdi_handle_assertion(efx);
        if (rc)
-               goto fail2;
+               goto fail1;
 
        /* Let the BMC know that the driver is now in charge of link and
         * filter settings. We must do this before we reset the NIC */
@@ -294,7 +310,6 @@ fail4:
 fail3:
        efx_mcdi_drv_attach(efx, false, NULL);
 fail2:
-       iounmap(nic_data->mcdi_smem);
 fail1:
        kfree(efx->nic_data);
        return rc;
@@ -374,8 +389,6 @@ static int siena_init_nic(struct efx_nic *efx)
 
 static void siena_remove_nic(struct efx_nic *efx)
 {
-       struct siena_nic_data *nic_data = efx->nic_data;
-
        efx_nic_free_buffer(efx, &efx->irq_status);
 
        siena_reset_hw(efx, RESET_TYPE_ALL);
@@ -385,22 +398,20 @@ static void siena_remove_nic(struct efx_nic *efx)
                efx_mcdi_drv_attach(efx, false, NULL);
 
        /* Tear down the private nic state */
-       iounmap(nic_data->mcdi_smem);
-       kfree(nic_data);
+       kfree(efx->nic_data);
        efx->nic_data = NULL;
 }
 
-#define STATS_GENERATION_INVALID ((u64)(-1))
+#define STATS_GENERATION_INVALID ((__force __le64)(-1))
 
 static int siena_try_update_nic_stats(struct efx_nic *efx)
 {
-       u64 *dma_stats;
+       __le64 *dma_stats;
        struct efx_mac_stats *mac_stats;
-       u64 generation_start;
-       u64 generation_end;
+       __le64 generation_start, generation_end;
 
        mac_stats = &efx->mac_stats;
-       dma_stats = (u64 *)efx->stats_buffer.addr;
+       dma_stats = efx->stats_buffer.addr;
 
        generation_end = dma_stats[MC_CMD_MAC_GENERATION_END];
        if (generation_end == STATS_GENERATION_INVALID)
@@ -408,7 +419,7 @@ static int siena_try_update_nic_stats(struct efx_nic *efx)
        rmb();
 
 #define MAC_STAT(M, D) \
-       mac_stats->M = dma_stats[MC_CMD_MAC_ ## D]
+       mac_stats->M = le64_to_cpu(dma_stats[MC_CMD_MAC_ ## D])
 
        MAC_STAT(tx_bytes, TX_BYTES);
        MAC_STAT(tx_bad_bytes, TX_BAD_BYTES);
@@ -478,7 +489,8 @@ static int siena_try_update_nic_stats(struct efx_nic *efx)
        MAC_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS);
        mac_stats->rx_good_lt64 = 0;
 
-       efx->n_rx_nodesc_drop_cnt = dma_stats[MC_CMD_MAC_RX_NODESC_DROPS];
+       efx->n_rx_nodesc_drop_cnt =
+               le64_to_cpu(dma_stats[MC_CMD_MAC_RX_NODESC_DROPS]);
 
 #undef MAC_STAT
 
@@ -507,7 +519,7 @@ static void siena_update_nic_stats(struct efx_nic *efx)
 
 static void siena_start_nic_stats(struct efx_nic *efx)
 {
-       u64 *dma_stats = (u64 *)efx->stats_buffer.addr;
+       __le64 *dma_stats = efx->stats_buffer.addr;
 
        dma_stats[MC_CMD_MAC_GENERATION_END] = STATS_GENERATION_INVALID;
 
@@ -605,6 +617,8 @@ const struct efx_nic_type siena_a0_nic_type = {
        .init = siena_init_nic,
        .fini = efx_port_dummy_op_void,
        .monitor = NULL,
+       .map_reset_reason = siena_map_reset_reason,
+       .map_reset_flags = siena_map_reset_flags,
        .reset = siena_reset_hw,
        .probe_port = siena_probe_port,
        .remove_port = siena_remove_port,
@@ -624,7 +638,8 @@ const struct efx_nic_type siena_a0_nic_type = {
        .default_mac_ops = &efx_mcdi_mac_operations,
 
        .revision = EFX_REV_SIENA_A0,
-       .mem_map_size = FR_CZ_MC_TREG_SMEM, /* MC_TREG_SMEM mapped separately */
+       .mem_map_size = (FR_CZ_MC_TREG_SMEM +
+                        FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS),
        .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
        .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
        .buf_tbl_base = FR_BZ_BUF_FULL_TBL,
@@ -641,5 +656,4 @@ const struct efx_nic_type siena_a0_nic_type = {
        .rx_dc_base = 0x68000,
        .offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
                             NETIF_F_RXHASH | NETIF_F_NTUPLE),
-       .reset_world_flags = ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT,
 };