From: Edward Cree <ecree@solarflare.com>
Date: Thu, 2 Jul 2020 17:27:51 +0100
Subject: sfc: remove max_interrupt_mode
Patch-mainline: v5.9-rc1
Git-commit: bc32442176d7289a71a2e940e5e8ea63cd0a23bb
References: jsc#SLE-16683
All NICs supported by this driver are capable of MSI-X interrupts (only
Falcon A1 wasn't, and that's now hived off into its own driver), so no
need for a nic-type parameter. Besides, the code that checked it was
buggy anyway (the following assignment that checked min_interrupt_mode
overrode it).
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/sfc/ef10.c | 2 --
drivers/net/ethernet/sfc/efx_channels.c | 6 ------
drivers/net/ethernet/sfc/net_driver.h | 3 ---
drivers/net/ethernet/sfc/siena.c | 1 -
4 files changed, 12 deletions(-)
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -4108,7 +4108,6 @@ const struct efx_nic_type efx_hunt_a0_vf
.can_rx_scatter = true,
.always_rx_scatter = true,
.min_interrupt_mode = EFX_INT_MODE_MSIX,
- .max_interrupt_mode = EFX_INT_MODE_MSIX,
.timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH,
.offload_features = EF10_OFFLOAD_FEATURES,
.mcdi_max_ver = 2,
@@ -4245,7 +4244,6 @@ const struct efx_nic_type efx_hunt_a0_ni
.always_rx_scatter = true,
.option_descriptors = true,
.min_interrupt_mode = EFX_INT_MODE_LEGACY,
- .max_interrupt_mode = EFX_INT_MODE_MSIX,
.timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH,
.offload_features = EF10_OFFLOAD_FEATURES,
.mcdi_max_ver = 2,
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -557,12 +557,6 @@ int efx_init_channels(struct efx_nic *ef
}
/* Higher numbered interrupt modes are less capable! */
- if (WARN_ON_ONCE(efx->type->max_interrupt_mode >
- efx->type->min_interrupt_mode)) {
- return -EIO;
- }
- efx->interrupt_mode = max(efx->type->max_interrupt_mode,
- interrupt_mode);
efx->interrupt_mode = min(efx->type->min_interrupt_mode,
interrupt_mode);
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -1317,8 +1317,6 @@ struct efx_udp_tunnel {
* @option_descriptors: NIC supports TX option descriptors
* @min_interrupt_mode: Lowest capability interrupt mode supported
* from &enum efx_int_mode.
- * @max_interrupt_mode: Highest capability interrupt mode supported
- * from &enum efx_int_mode.
* @timer_period_max: Maximum period of interrupt timer (in ticks)
* @offload_features: net_device feature flags for protocol offload
* features implemented in hardware
@@ -1492,7 +1490,6 @@ struct efx_nic_type {
bool always_rx_scatter;
bool option_descriptors;
unsigned int min_interrupt_mode;
- unsigned int max_interrupt_mode;
unsigned int timer_period_max;
netdev_features_t offload_features;
int mcdi_max_ver;
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -1085,7 +1085,6 @@ const struct efx_nic_type siena_a0_nic_t
.can_rx_scatter = true,
.option_descriptors = false,
.min_interrupt_mode = EFX_INT_MODE_LEGACY,
- .max_interrupt_mode = EFX_INT_MODE_MSIX,
.timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH,
.offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_RXHASH | NETIF_F_NTUPLE),